A high-capacity network storage solution can centralize files, backups, and media, but the right choice depends on how much room you need now and how you plan to grow. My best overall pick is the Asustor Lockerstor 10 AS6510T, whose 10 bays make it the strongest fit here for large, expandable storage needs. The Synology DS925+ stands out for buyers prioritizing a four-bay system with room to scale, while the BUFFALO TeraStation Essentials 4-Bay offers a simpler starting point with drives included. The main tradeoffs are bay count, included drives, setup effort, and the balance between storage capacity and network performance. Read on for the full breakdown and guidance on which model fits your workload.
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Key Takeaways
- The Asustor Lockerstor 10 AS6510T leads for capacity growth: its 10 bays give buyers more room to add drives than any other model in this lineup, but it is diskless and calls for a larger upfront storage plan.
- Four-bay models form the most flexible middle ground: the Synology DS925+, DS425+, UGREEN DXP4800 GT, QNAP TS-435XeU, and Buffalo TeraStation offer more drive-bay flexibility than the two-bay and one-bay picks.
- Drives included changes the buying decision: the BUFFALO TeraStation Essentials arrives with 16TB of installed storage and the LinkStation 220 with 8TB, while most competing models require separate drive purchases.
- Rack space and desktop space call for different picks: the short-depth QNAP TS-435XeU is tailored to rack setups, while desktop models suit home offices and workspaces without rack infrastructure.
- Not every NAS here is a high-capacity choice: one-bay and two-bay models such as the Synology DS124, DS223j, and Yxk Zero1 suit personal storage and smaller libraries better than large, expandable archives.
| Asustor Lockerstor 10 AS6510T – 10 Bay NAS for Small Business (Diskless) |  | Best for Maximum Drive-Bay Capacity | Processor: Intel Atom C3538 quad-core | Memory: 8 GB DDR4 SDRAM | Drive bays: Supports up to 10 SATA drives | VIEW ON AMAZON | See Our Full Breakdown |
| QNAP TS-435XeU 4-Bay Short Depth Rackmount NAS |  | Best Short-Depth Rackmount Pick | Processor: Marvell OCTEON TX2 CN9130 / CN9131 ARM Cortex-A72 quad-core, 2.2 GHz | Installed RAM: 4GB DDR4 | Maximum RAM: Upgradeable to 32GB | VIEW ON AMAZON | See Our Full Breakdown |
| BUFFALO TeraStation Essentials 2025 4-Bay Desktop NAS 16TB with Hard Drives Included |  | Best Ready-to-Use Small-Office Storage | Included storage: 16 TB | Drive bays: 4 | Hard-drive interface: Serial ATA-600 | VIEW ON AMAZON | See Our Full Breakdown |
| UGREEN NAS DXP4800 GT 4-Bay for Creators, Tech Enthusiasts, and Office Teams |  | Best for Creator Workloads | Processor: AMD Ryzen Embedded R2514, 4 cores, up to 3.70GHz | Installed RAM: 8GB DDR4, non-ECC | Maximum RAM: Expandable to 64GB | VIEW ON AMAZON | See Our Full Breakdown |
| UGREEN NAS DXP2800 2-Bay for Advanced Home Users, Remote Workers & Creators |  | Best Compact High-Capacity Home NAS | Processor: Intel N100 quad-core | Memory: 8GB DDR5 | Maximum stated capacity: Up to 80TB | VIEW ON AMAZON | See Our Full Breakdown |
| Synology DiskStation DS223j (Diskless) 2-Bay NAS |  | Best for Synology Backup on a Budget | Model: DS223j | Drive bays: 2 | Drive configuration: Diskless | VIEW ON AMAZON | See Our Full Breakdown |
| Synology DS425+ Private Cloud Media Server – 4-Bay Diskless NAS |  | Best Overall for Expandable Home and Small-Office Storage | Model: DS425+ | Drive bays: 4 | Drive configuration: Diskless | VIEW ON AMAZON | See Our Full Breakdown |
| Yxk Zero1 2-Bay Desktop NAS for Home & Personal Storage (Diskless) |  | Best for Fast 2.5GbE Home Storage | Type: 2-bay NAS | Connectivity: 2.5GbE | Drive configuration: Diskless; separate hard drives required | VIEW ON AMAZON | See Our Full Breakdown |
| Buffalo LinkStation 220 8TB 2-Bay NAS Network Attached Storage with Hard Drives Included |  | Best Ready-to-Use Storage Bundle | Model: LS220D0802 | Capacity: 8TB | Drive bays: 2 | VIEW ON AMAZON | See Our Full Breakdown |
| Synology DS124 Personal Backup & File Hub – Protect Photos, Secure Home Surveillance (1‑Bay Diskless NAS) |  | Best Compact Single-Drive Backup Hub | Model: DS124 | Drive bays: 1 | Drive configuration: Diskless | VIEW ON AMAZON | See Our Full Breakdown |
| Synology DS225+ Private Cloud Media Server – 2-Bay Diskless NAS with Intel CPU for Hardware Transcoding |  | Best for Compact Media Storage | Drive bays: 2 | Processor: Intel CPU | Maximum storage capacity: Up to 40 TB | VIEW ON AMAZON | See Our Full Breakdown |
| Synology 4-Bay DiskStation DS925+ (Diskless) |  | Best for Fast, Expandable Network Storage | Drive bays: 4 | Network ports: 2 x 2.5GbE | Sequential read speed: 522 MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| highcapacity network storage solution | Drive bays | Warranty |
|---|---|---|
| Asustor Lockerstor 10 AS6510T | Supports up to 10 SATA drives | 3 years |
| QNAP TS-435XeU 4-Bay Short Dep | 4 | 3 years |
| BUFFALO TeraStation Essentials | 4 | 3 years, with hard-drive coverage |
| UGREEN NAS DXP4800 GT 4-Bay fo | — | — |
| UGREEN NAS DXP2800 2-Bay for A | 2 | 2 years |
| Synology DiskStation DS223j | 2 | 2 years |
| Synology DS425+ Private Cloud | 4 | — |
| Yxk Zero1 2-Bay Desktop NAS fo | — | — |
| Buffalo LinkStation 220 8TB 2- | 2 | 2 years |
| Synology DS124 Personal Backup | 1 | 2 years |
| Synology DS225+ Private Cloud | 2 | 3 years |
| Synology 4-Bay DiskStation DS9 | 4 | 3 years |
More Details on Our Top Picks
Asustor Lockerstor 10 AS6510T – 10 Bay NAS for Small Business (Diskless)
For a buyer whose main requirement is room to grow, the 10-bay Lockerstor 10 has a clear advantage over the four-bay QNAP TS-435XeU and UGREEN DXP4800 GT. Its ten SATA bays let a small business add drives over time and build RAID-protected capacity without replacing the whole enclosure as soon. Dual 10GbE and dual 2.5GbE provide room for fast network transfers and multiple network connections, while two NVMe slots can serve as SSD cache. The tradeoff is that this is a diskless, business-oriented system: drive selection and setup fall to the buyer, and its Intel Atom C3538 is a more modest platform than the Ryzen-powered UGREEN. I’d choose it for scalable shared storage, not for a plug-and-play home media setup.
Pros:- Ten SATA bays allow substantial capacity expansion within one enclosure.
- Dual 10GbE and dual 2.5GbE ports support fast transfers and flexible network connections.
- Two M.2 NVMe slots provide an option for SSD caching.
- RAID support helps protect business data against drive failure.
Cons:- Diskless configuration means the buyer must source and install all storage drives.
- Setup and RAID planning may be demanding for users without NAS experience.
- Intel Atom processing is less compelling for compute-heavy workloads than the Ryzen-based UGREEN DXP4800 GT.
Best for: Small businesses and production teams that need many drive bays, RAID options, and fast wired networking as their shared storage grows.
Not ideal for: First-time NAS buyers or households seeking an easy all-in-one purchase; it ships without drives and setup may call for technical expertise.
- Processor:Intel Atom C3538 quad-core
- Memory:8 GB DDR4 SDRAM
- Drive bays:Supports up to 10 SATA drives
- Networking:Dual 10GbE and dual 2.5GbE ports
- M.2 slots:2 NVMe SSD slots
- Dimensions:9.06 x 11.42 x 8.27 inches
- Weight:6.2 kg
- Warranty:3 years
Our verdict“Choose the Lockerstor 10 when ten drive bays and high-speed networking matter more than beginner-friendly setup or a powerful processor.”
QNAP TS-435XeU 4-Bay Short Depth Rackmount NAS
The TS-435XeU suits offices that need high-speed network storage in a rack but cannot spare much rack depth. Its four bays offer less raw expansion than the ten-bay Asustor Lockerstor 10, yet the short-depth rackmount design can be a better physical fit for a compact network closet. Dual 10GbE and dual 2.5GbE give it a strong connection mix for shared files, and the two M.2 NVMe slots can add cache acceleration. The Cortex-A72 processor and 4GB of installed RAM, expandable to 32GB, favor flexible office file-serving over heavy compute workloads. Like the Asustor and UGREEN diskless models, it requires separate drives; rack installation and configuration also make it less approachable than the desktop Buffalo TeraStation Essentials.
Pros:- Short-depth rackmount form suits network closets with limited space.
- Dual 10GbE and dual 2.5GbE ports support high-throughput office connections.
- RAM can be upgraded from 4GB to as much as 32GB.
- Two M.2 PCIe Gen 3 x1 NVMe slots support cache acceleration.
Cons:- Four bays provide less expansion headroom than the 10-bay Asustor Lockerstor 10.
- No HDDs or SSDs are included.
- Rack setup and configuration may be challenging for buyers without technical support.
Best for: Small offices with a shallow rack, fast wired network infrastructure, and staff able to configure a diskless NAS.
Not ideal for: Buyers who need the greatest possible drive-bay capacity, a desktop unit, or storage that arrives with drives installed.
- Processor:Marvell OCTEON TX2 CN9130 / CN9131 ARM Cortex-A72 quad-core, 2.2 GHz
- Installed RAM:4GB DDR4
- Maximum RAM:Upgradeable to 32GB
- Drive bays:4
- Networking:Dual 2.5GbE and dual 10GbE
- SSD slots:2 M.2 PCIe Gen 3 x1 NVMe
- Storage interface:SATA 6 Gb/s
- Form factor:Short-depth rackmount
- Warranty:3 years
Our verdict“Pick the TS-435XeU for high-speed shared storage in a shallow rack, but choose the Asustor if future drive-bay expansion is the priority.”
BUFFALO TeraStation Essentials 2025 4-Bay Desktop NAS 16TB with Hard Drives Included
The TeraStation Essentials 2025 is the straightforward capacity pick for a small office that would rather start with drives already installed than assemble a diskless system. Its 16TB included capacity and configured RAID options reduce the setup work compared with the Asustor Lockerstor 10, QNAP TS-435XeU, and UGREEN DXP4800 GT, all of which require separately purchased drives. Native 2.5GbE gives it a faster network link than basic gigabit storage, and cloud integration supports off-site copies. The compromise is less flexibility for demanding workloads: the supplied drives run at 5400 rpm, and this desktop four-bay unit is aimed at small offices rather than large-scale enterprise use. Buyers who need maximum throughput or expansion should look to the dual-10GbE alternatives instead.
Pros:- Includes 16TB of hard-drive capacity, unlike the diskless NAS options in this group.
- Pre-configured RAID options simplify getting protected shared storage running.
- Native 2.5GbE supports faster network transfers than standard gigabit connections.
- Cloud integration includes Amazon S3, Dropbox, Azure, and OneDrive.
Cons:- Included 5400 rpm drives may be slower than higher-rotation storage in demanding workloads.
- Four bays offer less expansion headroom than the 10-bay Asustor Lockerstor 10.
- Small-office positioning makes it a weaker match for large-scale enterprise use.
Best for: Small-office teams that want a four-bay NAS with drives and RAID options in place, plus cloud backup integration.
Not ideal for: Businesses that need extensive capacity growth, faster rotational drives, or dual 10GbE networking.
- Included storage:16 TB
- Drive bays:4
- Hard-drive interface:Serial ATA-600
- Drive form factor:3.5 inches
- Drive speed:5400 rpm
- Network transfer rate:2.5 gigabits per second
- Security:256-bit drive encryption
- Warranty:3 years, with hard-drive coverage
Our verdict“Choose the Buffalo when included drives and simpler setup matter more than maximum expansion or dual-10GbE speed.”
UGREEN NAS DXP4800 GT 4-Bay for Creators, Tech Enthusiasts, and Office Teams
Among the four-bay systems here, the UGREEN DXP4800 GT is the most performance-oriented choice for creators and teams juggling media work, multitasking, and network storage. Its Ryzen Embedded R2514 and expandable memory give it a stronger compute profile than the ARM-based QNAP TS-435XeU, while dual 10GbE can move large files across a suitably equipped network. Storage flexibility is another differentiator: four SATA bays sit alongside two U.2 NVMe and two M.2 SSD slots, with stated capacity up to 144TB. That breadth comes with a diskless setup and more configuration work, particularly for Docker and advanced features. The 8GB non-ECC RAM may also be a concern for buyers prioritizing ECC memory; the ten-bay Asustor remains the better fit when bay count matters most.
Pros:- Ryzen Embedded R2514 processor supports demanding multitasking and media workflows.
- Memory is expandable from 8GB to 64GB.
- Dual 10GbE ports support high-speed transfers and link aggregation.
- Four SATA bays, two U.2 NVMe slots, and two M.2 SSD slots provide varied storage options.
Cons:- Drives are not included, so capacity requires a separate storage purchase.
- Pre-installed RAM is non-ECC; compatible RAM is needed for an ECC configuration.
- Docker and some advanced features may require technical setup.
Best for: Creators and small-office teams handling large media files or mixed workloads who can configure drives, memory, and network equipment.
Not ideal for: Buyers seeking an included-drive starter system, the greatest number of SATA bays, or ECC memory out of the box.
- Processor:AMD Ryzen Embedded R2514, 4 cores, up to 3.70GHz
- Installed RAM:8GB DDR4, non-ECC
- Maximum RAM:Expandable to 64GB
- SATA drive bays:4
- Maximum stated capacity:Up to 144TB
- Networking:Dual 10GbE with link aggregation support
- Additional SSD slots:2 U.2 NVMe slots and 2 M.2 SSD slots
- Connections:USB 3.2, USB 2.0, HDMI, and SD card slot
Our verdict“Choose the DXP4800 GT for a fast, flexible four-bay creator NAS, but opt for the Asustor Lockerstor 10 if ten SATA bays outweigh processor performance.”
UGREEN NAS DXP2800 2-Bay for Advanced Home Users, Remote Workers & Creators
The DXP2800 offers a smaller, two-bay route to substantial home or remote-work storage: it supports up to 80TB, but does not match the four- and ten-bay models for drive-level expansion or redundancy choices. Its Intel N100 quad-core CPU and 8GB DDR5 RAM make it a more capable starting point for advanced home users than a barebones backup box, and the product description lists AI photo management and home surveillance among its uses. Compared with the Buffalo TeraStation Essentials, the DXP2800 leaves drive selection to the buyer instead of arriving with 16TB installed; compared with the UGREEN DXP4800 GT, it trades bays and networking detail for a smaller two-drive setup. It is diskless, so the headline capacity depends on separately sourced compatible drives.
Pros:- Supports up to 80TB in a two-bay design.
- Intel N100 quad-core processor and 8GB DDR5 RAM provide a capable hardware base.
- Listed uses include AI photo management and home surveillance.
- Ethernet, SATA 6.0 Gb/s, and USB connectivity support common storage connections.
Cons:- Diskless configuration requires separate HDD or SSD purchases.
- Two bays provide less capacity growth and drive-layout flexibility than the four-bay UGREEN DXP4800 GT.
- Advanced features may take technical knowledge to configure.
Best for: Advanced home users, remote workers, and creators who want a two-bay storage hub for large media libraries, backups, or surveillance.
Not ideal for: Small businesses that need more than two drive bays, included storage, or the dual 10GbE connections listed on larger models.
- Processor:Intel N100 quad-core
- Memory:8GB DDR5
- Maximum stated capacity:Up to 80TB
- Drive bays:2
- Drive interface:SATA
- Drive form factor:3.5 inches
- Connectivity:Ethernet, SATA 6.0 Gb/s, and USB
- Warranty:2 years
Our verdict“Pick the DXP2800 for a capable two-bay home NAS with high stated capacity, but choose a four-bay model for more room to expand.”
Synology DiskStation DS223j (Diskless) 2-Bay NAS
The DS223j is a straightforward route into Synology’s private-cloud and backup tools, with two bays for buyers who want more room to grow than a single-drive unit offers. It supports automated backups across devices and can also handle IP camera monitoring, giving it more home-use flexibility than the Synology DS124, which has only one bay. But two bays still place a ceiling on expansion, and this diskless model requires you to supply both drives before it can store anything. The provided details emphasize NAS and home-security functions rather than advanced media or business workloads, so I’d choose a larger four-bay option such as the Synology DS425+ for a growing multi-user archive. Its appeal is a simpler, smaller-capacity Synology setup, not maximum storage density.
Pros:- Automated backups cover multiple devices and platforms.
- Private-cloud access supports secure file sharing.
- IP camera monitoring adds a home-security use.
- Two-year warranty and ongoing software updates.
Cons:- Diskless setup requires buying and installing drives separately.
- Two bays limit capacity growth compared with four-bay models such as the Synology DS425+.
- The stated feature set is focused on NAS and home security rather than broader advanced workloads.
Best for: Home users who want Synology backups and private-cloud access across several devices, with two drive bays for a modest expandable archive.
Not ideal for: Households or small offices expecting very large storage pools, or buyers who want storage ready to use without sourcing and installing drives.
- Model:DS223j
- Drive bays:2
- Drive configuration:Diskless
- Warranty:2 years
- Backup:Automated backups across multiple devices
- Private cloud:Supported
- Home security:IP camera monitoring supported
Our verdict“Choose the DS223j for a compact Synology backup and private-cloud setup, but pick a four-bay NAS if your storage needs are likely to grow substantially.”
Synology DS425+ Private Cloud Media Server – 4-Bay Diskless NAS
For a high-capacity network storage solution in this group, the Synology DS425+ earns the broadest recommendation: four drive bays provide more room to build a substantial pool than the two-bay DS223j or Yxk Zero1. The stated 278 MB/s network speed, multi-user access, RAID, backups, and snapshots suit shared files and protected archives better than a basic single-purpose backup unit. Its compact tabletop enclosure also fits a desk or shelf rather than requiring rack space. The tradeoff is that it ships without drives, so capacity and initial setup are up to the buyer; its listed storage volume is 80 TB, but actual capacity depends on the drives and configuration. Beginners may find setup more involved than with the drive-included Buffalo LinkStation 220, and four bays still fall short of larger storage-focused systems.
Pros:- Four bays allow a larger storage pool than the two-bay models in this batch.
- RAID, backups, and snapshots provide several layers of data protection.
- 278 MB/s listed network speed supports responsive file transfers.
- Multi-user access suits shared home and small-office workflows.
Cons:- Diskless design requires separate drive purchases and installation.
- Setup may be more involved for beginners than the Buffalo LinkStation 220 bundle.
- Four bays may be limiting for very large or fast-growing storage needs.
Best for: Households, creative teams, and small offices that need shared storage, backup protection, and room to add multiple drives.
Not ideal for: First-time NAS buyers seeking a ready-to-use bundle, or organizations whose storage plans call for more than four bays.
- Model:DS425+
- Drive bays:4
- Drive configuration:Diskless
- Listed storage volume:80 TB
- Network speed:278 MB/s
- Dimensions:8.78″ D x 7.83″ W x 6.54″ H
- Weight:2180 g
- Enclosure material:Metal and plastic
- Protection features:RAID, backups, and snapshots
Our verdict“Pick the DS425+ when you want a four-bay Synology platform for shared files and protected storage, and are comfortable choosing and installing drives.”
Yxk Zero1 2-Bay Desktop NAS for Home & Personal Storage (Diskless)
The Yxk Zero1 stands out among the two-bay choices for its 2.5GbE connectivity and feature mix, including RAID, remote access, Docker support, encryption, and snapshot recovery. A faster network connection can help large file transfers feel less constrained than on the Buffalo LinkStation 220, whose listed connectivity is Ethernet without a stated speed. The Zero1 also gives technically inclined owners tools beyond straightforward backup, while its diskless design lets them choose their own drives. That flexibility brings extra work: neither drives nor a ready-made storage pool are included, and two bays cap its capacity below the four-bay Synology DS425+. The product is described as easy to set up, but Docker and recovery features will matter most to buyers willing to manage a more configurable home NAS.
Pros:- 2.5GbE connectivity is suited to faster transfers on a compatible network.
- RAID and snapshot recovery offer storage and recovery options.
- Docker support adds flexibility for hands-on home-server users.
- Remote access and encryption support private file access away from home.
Cons:- Diskless setup requires separate hard drives.
- Two bays provide less capacity headroom than the four-bay Synology DS425+.
- Its advanced features may be unnecessary for buyers seeking only basic centralized backups.
Best for: Home users and remote workers who want a two-bay NAS with 2.5GbE, remote access, and room to use Docker or snapshot recovery.
Not ideal for: Buyers who need the largest possible storage pool, prefer included drives, or want a simple appliance without configuring their own disks.
- Type:2-bay NAS
- Connectivity:2.5GbE
- Drive configuration:Diskless; separate hard drives required
- Weight:2 kg
- Remote access:Supported
- RAID:Supported
- Additional features:Docker support, snapshot recovery, and encryption
Our verdict“Choose the Zero1 for a configurable two-bay home NAS with 2.5GbE, but move to a four-bay model if capacity growth matters more than compactness.”
Buffalo LinkStation 220 8TB 2-Bay NAS Network Attached Storage with Hard Drives Included
The Buffalo LinkStation 220 is the most immediately usable pick here because its two drives are included; the diskless Synology DS223j and Yxk Zero1 both require a separate drive purchase before storage is available. Its stated 8TB capacity and RAID support give home users and small offices a clear starting point for shared files and backups, with RAID 1 set by default for redundancy. That default cuts usable capacity to 4TB, a significant limitation for buyers whose priority is maximizing space. RAID 0 is configurable, but it changes the redundancy tradeoff. Compared with the four-bay Synology DS425+, the LinkStation is less suited to long-term capacity growth and its feature set is more basic. Windows and macOS compatibility and included setup materials favor buyers who value a simpler bundled system over advanced cloud tools.
Pros:- Includes hard drives, unlike the diskless Synology DS223j and Yxk Zero1.
- 8TB listed capacity provides a defined starting point for centralized storage.
- RAID 1 default configuration provides drive-failure redundancy.
- Setup guide, Ethernet cable, two-year warranty, and 24/7 US-based support are included.
Cons:- RAID 1 reduces the listed 8TB capacity to 4TB of usable space.
- Two bays offer less capacity growth than the four-bay Synology DS425+.
- Some features are limited to macOS 15 and earlier, and advanced cloud capabilities are limited.
Best for: Home users or small offices that want an 8TB two-drive NAS bundle for centralized files and backup without sourcing drives separately.
Not ideal for: Buyers who need more than 4TB of usable capacity in the default RAID 1 configuration, advanced cloud features, or an expandable four-bay platform.
- Model:LS220D0802
- Capacity:8TB
- Drive bays:2
- Included drives:Yes
- RAID support:RAID 1 by default; configurable to RAID 0
- Connectivity:Ethernet
- Warranty:2 years
- Support:24/7 US-based support
- Compatibility:Windows and macOS; some features support macOS 15 and earlier
Our verdict“Choose the LinkStation 220 if you want drives included and a straightforward home or small-office NAS, but look elsewhere if you need more usable capacity or richer cloud features.”
Synology DS124 Personal Backup & File Hub – Protect Photos, Secure Home Surveillance (1‑Bay Diskless NAS)
The Synology DS124 is the smallest-capacity fit in this group: its one-bay layout suits a compact personal backup hub, not a high-capacity archive. It can centralize photos and files from phones and computers, provide remote private-cloud access, and support surveillance features with person and vehicle detection. That makes it more feature-rich for a single drive than the basic description of the two-bay DS223j, but the DS223j offers an extra bay for buyers who want more storage flexibility. Unlike the drive-included Buffalo LinkStation 220, the DS124 arrives diskless, so a separate drive is required before use. Its alloy-steel enclosure, 2-year warranty, and software updates support a compact long-term role, though one drive cannot match a multi-bay NAS for capacity or drive-configuration options.
Pros:- Centralizes backups from iPhone, Android, Mac, and Windows devices.
- Remote private-cloud access avoids a monthly subscription for file access.
- Surveillance features include person and vehicle detection.
- Compact alloy-steel enclosure and two-year warranty.
Cons:- Single bay limits capacity and provides fewer drive options than the two-bay DS223j.
- Diskless design requires a separate hard drive before use.
- Not suited to large shared storage pools or multi-drive configurations.
Best for: Individuals who want a compact Synology device for phone and computer backups, remote file access, and basic home surveillance.
Not ideal for: Families, creators, or small offices building a large shared archive, or anyone who wants redundant multi-drive storage or included disks.
- Model:DS124
- Drive bays:1
- Drive configuration:Diskless
- Dimensions:2.8″ D x 6.54″ W x 8.82″ H
- Weight:1247 g
- Enclosure material:Alloy steel
- Warranty:2 years
- Compatible devices:Desktop, laptop, server, and smartphone
- Surveillance features:AI-powered person and vehicle detection
Our verdict“Pick the DS124 for compact personal backups and surveillance features, but choose a two- or four-bay NAS for higher capacity and more drive flexibility.”
Synology DS225+ Private Cloud Media Server – 2-Bay Diskless NAS with Intel CPU for Hardware Transcoding
The DS225+ suits buyers who want a compact network library for media, backups, and surveillance rather than a large drive pool. Its Intel CPU with hardware transcoding supports 4K media streaming, while transfer speeds of up to 282 MB/s help with routine file movement. RAID, snapshots, and automated backups add protection, and support for up to 30 IP cameras broadens its use beyond home media. Compared with the four-bay Synology DS925+, this model takes up less space and offers a more focused setup, but its two bays leave less room to grow and less flexibility for drive redundancy and capacity. It ships without drives, and Synology’s setup options may take time for first-time NAS owners to learn.
Pros:- Hardware transcoding supports 4K media streaming
- Transfer speeds reach up to 282 MB/s
- RAID, backups, and snapshots provide multiple data-protection options
- Supports up to 30 IP cameras with AI detection
Cons:- Diskless setup requires purchasing and installing drives separately
- Two bays limit capacity and future expansion compared with the DS925+
- Setup and management may be challenging for NAS beginners
Best for: Households or small offices that want 4K media streaming, centralized backups, and surveillance in a compact two-drive system.
Not ideal for: Buyers building a large, expandable storage pool or anyone who wants a ready-to-use NAS with drives included.
- Drive bays:2
- Processor:Intel CPU
- Maximum storage capacity:Up to 40 TB
- Maximum transfer speed:Up to 282 MB/s
- Media feature:4K streaming and hardware transcoding
- Surveillance support:Up to 30 IP cameras with AI detection
- Dimensions:9.14 x 4.25 x 6.5 in
- Warranty:3 years
Our verdict“Choose the DS225+ for a compact media-and-backup hub; pick the four-bay DS925+ if storage growth matters more.”
Synology 4-Bay DiskStation DS925+ (Diskless)
The DS925+ is the stronger fit when a high-capacity NAS needs room to grow and fast wired access for multiple users. Its four drive bays allow a larger storage pool than the two-bay DS225+, while dual 2.5GbE ports and sequential speeds listed at 522 MB/s read and 565 MB/s write support heavier file transfers. Synology’s built-in tools also cover file management, data protection, virtualization, and surveillance, making this a more versatile small-office platform than a media-focused compact NAS. That added headroom comes with a higher setup burden: drives are not included, and buyers must choose compatible models from Synology’s drive list. For a simple home media library, the DS225+ is smaller and more targeted; the DS925+ makes more sense when capacity, network throughput, and varied workloads take priority.
Pros:- Four drive bays provide more capacity and growth room than a two-bay NAS
- Dual 2.5GbE ports support fast network transfers and connection redundancy
- Sequential read and write speeds are listed at 522 MB/s and 565 MB/s
- Built-in solutions cover file management, data protection, virtualization, and surveillance
Cons:- Diskless configuration requires a separate drive purchase
- Drive choices are limited to models on Synology’s compatibility list
- Greater capacity and feature breadth may be unnecessary for basic home media storage
Best for: Small-office teams and advanced home users who need a four-drive storage pool, faster network connections, and room for mixed workloads.
Not ideal for: First-time NAS buyers seeking a simple media box, or users who do not need more than two drive bays and faster network throughput.
- Drive bays:4
- Network ports:2 x 2.5GbE
- Sequential read speed:522 MB/s
- Sequential write speed:565 MB/s
- Drive compatibility:Supports drives from Synology’s compatibility list
- Included drives:None; diskless
- Built-in capabilities:File management, data protection, virtualization, and surveillance
- Warranty:3 years
Our verdict“Choose the DS925+ when you need four-bay growth and fast shared storage, rather than the DS225+’s compact media focus.”
How We Picked
I ranked these systems around the needs behind a high-capacity network storage solution: drive-bay count and expansion potential, the practical cost of supplying drives, network and hardware features stated in the product descriptions, and fit for home, creator, office, or rack use. A larger bay count earned weight because it gives buyers more ways to build storage capacity over time, but it did not automatically make a model the best choice for every household or team.
I also weighed setup simplicity, included storage, and intended workload. Drive-included models can reduce the work of getting started, while diskless NAS units give buyers more control over drive selection but require extra planning. The ranking favors systems that offer a strong combination of capacity headroom, practical use, and flexibility; compact personal NAS devices rank lower for this particular query, even when they may be a better match for modest storage needs.
Factors to Consider When Choosing Highcapacity Network Storage Solution
Before choosing a NAS, I would map the amount of data you need to keep, the number of people and devices that will use it, and the room you have for the system. These broader decisions can matter more than a single headline feature.
How Much Usable Capacity Do You Need?
Start with the amount of data you expect to retain, then allow headroom for new files, version history, and backups. A drive’s advertised capacity is not the same as the space available for files after a multi-drive storage configuration is set up. Buyers also make the mistake of counting backup copies as extra usable capacity; redundancy can protect against a drive failure, but it uses space and does not replace a separate backup. A two-bay system may be enough for a modest library, while larger archives and growing teams can benefit from four or more bays. If you are unsure how quickly your data will grow, prioritize an enclosure with spare bays rather than filling a smaller unit immediately.
Choose Bay Count Around Growth, Not Just Today’s Files
More bays give you additional options for adding drives and arranging storage, but they also mean a larger enclosure and a more involved drive plan. A common mistake is to buy only for current capacity, then discover that every bay is occupied when the archive expands. Another is to assume that a bigger NAS automatically makes every storage layout faster or safer; results depend on the drives, configuration, and workload. For buyers with a predictable, small collection, two bays can keep the system manageable. For a business, creator archive, or long-lived media library, four or more bays can provide useful room to grow.
Account for Drive Cost, Compatibility, and Replacement
A diskless NAS gives you control over drive capacity and lets you decide how to build the system, but it adds planning and setup work. A model with drives included can simplify the first purchase and get you started sooner, though you have less say over the supplied drive configuration. Check the manufacturer’s supported-drive guidance before buying, especially when mixing capacities or replacing a failed disk. Buyers often budget for the enclosure but forget the cost of enough drives to reach their target capacity. I would also plan for future replacements: a storage system is a long-term commitment, and drives will not last forever.
Match Network Performance to the Work
Network storage performance depends on more than the NAS processor: the network connection, router or switch, client device, and drive setup all shape transfer speeds. For everyday backups and shared documents, a basic network setup may be adequate, while large media projects or several simultaneous users can benefit from stronger networking and hardware suited to that workload. A common mistake is to buy a high-spec NAS while leaving it connected through network equipment that limits throughput. Check the ports and network requirements of the exact model, then compare them with the equipment you already own. Pay extra for performance features only when your work can use them.
Decide Between Desktop and Rackmount Placement
A desktop NAS is generally easier to place in a home office or shared workspace, while a rackmount model makes more sense when you already have a rack and want equipment organized together. Short-depth rack designs can help in shallower cabinets, but rack placement still calls for attention to airflow, access, cabling, and noise. Buyers without a rack may find that a rackmount enclosure adds complexity without improving their storage experience. Before choosing, measure the intended space and think through how you will reach the drives for installation or maintenance. Placement is part of the ownership experience, not just an appearance choice.
Plan for Backups, Power, and Long-Term Maintenance
A NAS can centralize files, but one device is not a complete backup plan. Keep a separate copy of irreplaceable data, such as an external backup or a trusted off-site copy, so a device failure, accident, or other disruption does not take every copy with it. Buyers sometimes mistake drive redundancy for backup; redundancy can help maintain access after a drive problem, but it does not protect against deletion or every system-level failure. Also consider power protection, system updates, and a routine for checking storage health. A larger system holds more data, so the consequences of neglecting maintenance can grow alongside its capacity.
Frequently Asked Questions
Is a 10-bay NAS excessive for a home user?
It can be more system than a home user needs if the goal is simply to store photos and routine backups. A 10-bay model makes more sense when you already manage a large media library, expect substantial growth, or want room to organize a broad archive across many drives. It also takes more planning than a smaller, drive-included unit. Compare the expected capacity needs with the cost and space required for the drives, not just the empty enclosure. If you value straightforward personal storage over expansion, a two- or four-bay system may be easier to live with.
Should I choose a NAS with drives included or buy a diskless model?
Choose a drive-included unit if you want a more direct start and its supplied capacity matches your needs. A diskless model suits buyers who want to select drives themselves, build capacity in stages, or use a drive configuration suited to their workload. In either case, check drive compatibility and the storage arrangement before purchasing. Do not compare an enclosure-only NAS with a bundle as though both provide the same ready-to-use capacity. Work out the full drive plan first, including space reserved for redundancy and future growth.
Are two bays enough for a high-capacity NAS?
Two bays can hold a substantial amount of data when equipped with high-capacity drives, but the enclosure offers fewer ways to expand than four- or ten-bay options. The available capacity also depends on how the drives are configured; using one drive to mirror another can reduce usable space. For a personal library or a remote worker’s files, that tradeoff may be reasonable. For a growing team, large creative archive, or storage system expected to expand over several years, extra bays can make future changes easier. Decide based on both today’s capacity and the expansion path you want.
When does a rackmount NAS make more sense than a desktop model?
A rackmount NAS makes sense when you already have a suitable rack and want network and storage equipment installed together. It can be a tidy fit in an office or small business environment, particularly when rack depth is limited and the model is designed for a shorter enclosure. For a home with no rack, a desktop NAS is usually simpler to position and access. Check the rack’s depth, ventilation, and available space before buying, rather than assuming every rackmount device will fit. The rack format is a practical placement choice, not a guarantee of higher storage capacity or better performance.
Can I use a NAS as my only backup for photos and work files?
I would not rely on a single NAS as the only copy of important files. A NAS can centralize storage and support backup workflows, but it can still be affected by accidental deletion, hardware damage, theft, or other failures. Keep another copy on a separate device or in a trusted off-site location, and check that the backup can be restored. Drive redundancy may help keep a system available after a drive problem, but it does not replace an independent backup. The more data your NAS holds, the more important it is to plan for recovery before you need it.
Conclusion
For the strongest capacity headroom in this group, I recommend the Asustor Lockerstor 10 AS6510T as best overall, especially for buyers with large archives and a plan to expand. The BUFFALO TeraStation Essentials 4-Bay is my best value-oriented pick for those who want included drives and a simpler route to ready storage; check that its supplied capacity fits your needs. For a best premium, expandable four-bay choice, I would look at the Synology DS925+, while the Synology DS223j is the better beginner fit for modest personal storage and a simpler two-bay setup. Choose the QNAP TS-435XeU for a short-depth rack environment, the UGREEN DXP4800 GT for creator or office use, and a one-bay or two-bay compact model only when your capacity needs are limited. The right choice comes down to whether you need maximum bay count, easier setup, rack placement, or a smaller system—not simply the largest enclosure.
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