Finding the right qsfp28 breakout cable can be challenging with so many options available. The best overall pick, the Intellinet QSFP28 to 4X SFP28 100G Passive DAC, offers reliable performance and broad compatibility. For those prioritizing value, the 10Gtek 100G QSFP28 to 4x 25G SFP28 DAC delivers solid performance at a lower price point. Meanwhile, the Compatible with Supermicro CBL-NTWK-0988-Q28M1 stands out for specific compatibility with Supermicro systems. The main tradeoffs involve balancing build quality, compatibility, and price. Continue reading for a detailed breakdown of each option and how they compare.
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Key Takeaways
- Top picks balance compatibility with common network hardware and affordability.
- Passive DAC cables tend to be cheaper but may lack the flexibility of active options.
- Cable length impacts both performance and convenience, with 1m to 3m being most common.
- High-quality brands tend to offer better durability and fewer connectivity issues.
- Compatibility is critical—ensure the cable matches your switch or server specifications.
| Compatible with Supermicro CBL-NTWK-0988-Q28M1 100G QSFP28 to 4xSFP28 Breakout Twinax Cable, 1 Meter |  | Best Compatibility for Supermicro Environments | Connector Type: 100G QSFP28 to 4x SFP28 | Cable Type: Breakout Twinax DAC | Compatible Devices: Supermicro | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Fortinet FN-CABLE-QSFP28-4SFP28-3 100G QSFP28 to 4xSFP28 Breakout Twinax Cable, 3m | | Best for Fortinet Integration over Longer Distances | Connector Type: 100G QSFP28 to 4x SFP28 | Cable Type: QSFP28 to 4x SFP28 Breakout Cable | Compatible Devices: Fortinet | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Supermicro CBL-NTWK-0988-Q28M2 100G QSFP28 to 4xSFP28 Breakout Twinax Cable, 2M Passive DAC |  | Best for Mid-Length Supermicro Connections | Compatibility: Supermicro CBL-NTWK-0988-Q28M2 | Data Rate: 100Gbps | Channels: 4x25Gbps | VIEW ON AMAZON | See Our Full Breakdown |
| Intellinet QSFP28 to 4X SFP28 100G Passive DAC Breakout Cable, 7 ft |  | Best for Short-Distance High-Speed Networking | Length: 7 ft | Connectors: QSFP28 to 4x SFP28 | Data Transfer Rate: up to 100 Gbps | VIEW ON AMAZON | See Our Full Breakdown |
| HPC Optics Compatible with Extreme 10423 100G QSFP28 to 4xSFP28 3m Breakout Twinax DAC |  | Best for Extreme Switch Compatibility | Compatibility: Extreme 10423 | Type: Breakout Twinax DAC | Data Rate: 100Gbps | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Extreme 10428 QSFP28 to 2x50G QSFP28 3m Breakout Twinax Cable |  | Best for Extreme 10428 Switch Users | Compatibility: Extreme 10428 | Data Rate: 100Gbps | Channels: 2x50G | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Mellanox MCP7F00-A002R30N 100G QSFP28 to 4xSFP28 Breakout Twinax DAC, 2m | | Best for Mellanox High-Speed Setups | Compatibility: Mellanox MCP7F00-A002R30N | Type: Breakout Twinax DAC | Length: 2 meters | VIEW ON AMAZON | See Our Full Breakdown |
| MikroTik QSFP28 Breakout Cable, 3m XQ+BC0003-XS+ |  | Best for MikroTik Device Integration | Connector Type: QSFP28 to 4x SFP28 | Cable Length: 3 meters | Data Transfer Rate: 25 Gbps | VIEW ON AMAZON | See Our Full Breakdown |
| 10Gtek 100G QSFP28 to 4x 25G SFP28 Breakout DAC Copper Twinax Cable, 2-Meter |  | Best for Short-Distance High-Speed Rack Connections | Type: Breakout DAC Copper Twinax | Length: 2 meters | Compatibility: Juniper JNP-100G-4X25G-2M | VIEW ON AMAZON | See Our Full Breakdown |
| QSFP28 to 4x SFP28 Breakout Cable, MIK-XQ+BC0003-XS+ |  | Best for Data Center High-Speed Connectivity | Compatibility: High-speed data center and network | Configuration: 1 QSFP28 to 4x SFP28 | Model: MIK-XQ+BC0003-XS+ | VIEW ON AMAZON | See Our Full Breakdown |
| 10Gtek 100G QSFP28 to 4x 25G SFP28 Breakout DAC Copper Twinax Cable, 1 Meter | | Best Value for Short-Distance Rack Connections | Type: Breakout DAC Copper Twinax Cable | Length: 1 Meter (3.3 ft) | Compatibility: Cisco QSFP-4SFP25G-CU1M | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Fortinet FN-CABLE-QSFP28-4SFP28-1 100G QSFP28 to 4xSFP28 1m Breakout Twinax Direct Attach Cable DAC | | Best for Fortinet High-Speed Data Center Links | Compatibility: Fortinet FN-CABLE-QSFP28-4SFP28-1 | Type: Breakout Direct Attach Cable (DAC) | Data Rate: 100Gbps | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Supermicro CBL-NTWK-0988-Q28M3 100G QSFP28 to 4xSFP28 Breakout Twinax Cable 3M Passive DAC |  | Best for Supermicro High-Speed Data Center Infrastructure | Compatibility: Supermicro CBL-NTWK-0988-Q28M3 | Data Rate: 100Gbps | Channels: 4x25Gbps | VIEW ON AMAZON | See Our Full Breakdown |
| QSFP28 100G Direct Attach Copper Cable, 3M/9.8FT, Breakout Power Cable for Juniper and Other Network Devices |  | Best for Multi-Brand Data Center Compatibility | Data Transfer Speed: 100Gbps | Cable Length: 3 meters / 9.8 feet | Connector Type: QSFP28 | VIEW ON AMAZON | See Our Full Breakdown |
| Compatible with Extreme 10426 100Gb/s QSFP28 to 2x50G QSFP28 1m Breakout Twinax Cable | | Best for Extreme 10426 Switches in High-Speed Environments | Compatibility: Extreme 10426 | Data Rate: 100Gbps | Channels: 2x50G | VIEW ON AMAZON | See Our Full Breakdown |
| qsfp28 breakout cable | Length | Compatibility | Data Rate | Type |
|---|---|---|---|---|
| Compatible with Supermicro CBL | 1 meter | — | — | — |
| Compatible with Fortinet FN-CA | 3 meters | — | — | — |
| Compatible with Supermicro CBL | 2 meters | Supermicro CBL-NTWK-0988-Q28M2 | 100Gbps | Passive DAC |
| Intellinet QSFP28 to 4X SFP28 | 7 ft | — | — | — |
| HPC Optics Compatible with Ext | 3 meters | Extreme 10423 | 100Gbps | Breakout Twinax DAC |
| Compatible with Extreme 10428 | 3 meters | Extreme 10428 | 100Gbps | — |
| Compatible with Mellanox MCP7F | 2 meters | Mellanox MCP7F00-A002R30N | 100Gbps | Breakout Twinax DAC |
| MikroTik QSFP28 Breakout Cable | — | — | — | — |
| 10Gtek 100G QSFP28 to 4x 25G S | 2 meters | Juniper JNP-100G-4X25G-2M | 100G to 4x25G | Breakout DAC Copper Twinax |
| QSFP28 to 4x SFP28 Breakout Ca | — | High-speed data center and network | — | — |
| 10Gtek 100G QSFP28 to 4x 25G S | 1 Meter (3.3 ft) | Cisco QSFP-4SFP25G-CU1M | 100G to 4x 25G | Breakout DAC Copper Twinax Cable |
| Compatible with Fortinet FN-CA | 1 meter | Fortinet FN-CABLE-QSFP28-4SFP28-1 | 100Gbps | Breakout Direct Attach Cable (DAC) |
| Compatible with Supermicro CBL | — | Supermicro CBL-NTWK-0988-Q28M3 | 100Gbps | Passive DAC |
| QSFP28 100G Direct Attach Copp | — | — | — | — |
| Compatible with Extreme 10426 | — | Extreme 10426 | 100Gbps | Passive Copper Twinax |
More Details on Our Top Picks
Compatible with Supermicro CBL-NTWK-0988-Q28M1 100G QSFP28 to 4xSFP28 Breakout Twinax Cable, 1 Meter
This passive DAC cable is tailored specifically for Supermicro’s CBL-NTWK-0988-Q28M1, making it an excellent choice for those who prioritize seamless integration with Supermicro hardware. Compared to the Supermicro CBL-NTWK-0988-Q28M2 model, it offers the same high-speed 100Gbps transfer but is limited to a 1-meter length, which suits tight data center setups. Its passive design means no active components, ensuring reliable, straightforward performance, but it may lack the signal boosting found in active cables. This cable’s simplicity and compatibility make it ideal for existing Supermicro infrastructure, though it’s less versatile for broader hardware use.
Pros:- High-speed 100Gbps transfer
- Seamless compatibility with Supermicro
- Reliable passive DAC design
- Compact 1-meter length for tight spaces
Cons:- Limited to compatible Supermicro devices
- No signal boosting or active features
- Only available in 1-meter length
Best for: Data center operators heavily invested in Supermicro gear needing reliable, short-range connections.
Not ideal for: Networks with mixed hardware or longer-distance requirements, where active or longer cables would be more appropriate.
- Connector Type:100G QSFP28 to 4x SFP28
- Cable Type:Breakout Twinax DAC
- Compatible Devices:Supermicro
- Data Transfer Rate:100 Gbps
- Length:1 meter
- Weight:4 ounces
Our verdict“This cable is perfect for Supermicro users seeking a straightforward, high-speed connection in a short-distance setup.”
Compatible with Fortinet FN-CABLE-QSFP28-4SFP28-3 100G QSFP28 to 4xSFP28 Breakout Twinax Cable, 3m
This 3-meter passive twinax cable is designed specifically for Fortinet devices, making it a reliable choice for enterprise networks requiring longer reach. Unlike the Intellinet 7 ft cable, which emphasizes short-distance, this model supports outdoor and indoor environments, broadening its deployment options. Its passive design ensures dependable high-speed transfers but may lack the flexibility of active cables with signal amplification. For Fortinet users needing a robust, mid-length connection, this cable balances performance and compatibility well, though it’s less suited for non-Fortinet hardware.
Pros:- Supports 100Gbps transfer
- Designed for Fortinet devices
- Suitable for indoor and outdoor use
- Durable 3-meter length
Cons:- Limited to Fortinet hardware
- Passive design may lack flexibility
- Not weatherproof for exposed outdoor use
Best for: Network administrators configuring Fortinet hardware needing a reliable, 3-meter high-speed connection.
Not ideal for: Non-Fortinet environments or setups requiring active cables for longer distances or enhanced signal integrity.
- Connector Type:100G QSFP28 to 4x SFP28
- Cable Type:QSFP28 to 4x SFP28 Breakout Cable
- Compatible Devices:Fortinet
- Data Transfer Rate:100 Gbps
- Length:3 meters
- Features:Indoor, Outdoor use, Passive Twinax
Our verdict“This cable is ideal for Fortinet-based networks requiring a longer, durable connection without active components.”
Compatible with Supermicro CBL-NTWK-0988-Q28M2 100G QSFP28 to 4xSFP28 Breakout Twinax Cable, 2M Passive DAC
This 2-meter passive DAC cable is compatible with Supermicro’s CBL-NTWK-0988-Q28M2, offering a slightly longer reach than the 1-meter version. Its high-speed 100Gbps transfer and compatibility with specific Supermicro hardware make it a strong choice for data centers needing reliable, mid-range connections. Compared to the 1-meter variant, this model provides more flexibility in setup but shares the same passive design limitations, such as limited heat dissipation and no active signal boosting. It’s best suited for environments where a 2-meter length is needed without the complexity of active cables.
Pros:- Supports 100Gbps transfer
- Compatible with specific Supermicro hardware
- Includes 5-year warranty
- 2-meter length for flexible setups
Cons:- Limited to compatible models
- Passive design with less heat dissipation
- Fixed length of 2 meters
Best for: Supermicro users needing a longer, reliable connection up to 2 meters for data center setups.
Not ideal for: Networks with diverse hardware or requiring active cables for longer or more flexible deployment.
- Compatibility:Supermicro CBL-NTWK-0988-Q28M2
- Data Rate:100Gbps
- Channels:4x25Gbps
- Connector Type:QSFP28 to 4x SFP28
- Type:Passive DAC
- Length:2 meters
Our verdict“This cable provides a dependable, longer reach for Supermicro environments where a 2-meter connection is needed.”
Intellinet QSFP28 to 4X SFP28 100G Passive DAC Breakout Cable, 7 ft
This 7-foot passive DAC cable provides a practical solution for high-speed short-range links, making it ideal for data centers with close-proximity server racks. Compared to the shorter 1-meter options like the Compatible with Supermicro CBL-NTWK-0988-Q28M1, it offers more flexibility in cable routing. Its durable zinc die-cast connectors and low power consumption enhance reliability and ease of installation. However, its longer length reduces suitability for tight spaces and may introduce minor signal attenuation over longer distances. It’s a solid choice for setups where mobility and ease of connection take priority over ultra-short distances.
Pros:- Supports up to 100 Gbps
- Durable, secure connectors
- Low power consumption
- Easy hot-swapping
Cons:- Limited to indoor use
- Longer length may affect signal integrity in some cases
Best for: Data center environments needing flexible, high-speed connections over a 7-foot span.
Not ideal for: Tightly packed racks or precision setups requiring minimal cable length to reduce attenuation.
- Length:7 ft
- Connectors:QSFP28 to 4x SFP28
- Data Transfer Rate:up to 100 Gbps
- Cable Type:Passive DAC
- Material:AWG 30 copper, PVC jacket
- Temperature Range:up to 158°F
Our verdict“This cable suits high-speed short-distance connections where a bit more length offers installation flexibility.”
HPC Optics Compatible with Extreme 10423 100G QSFP28 to 4xSFP28 3m Breakout Twinax DAC
This 3-meter passive twinax cable is tailored for Extreme Networks’ 10423 switches, ensuring a reliable 100Gbps link. Unlike the Fortinet 3m cable, which targets Fortinet hardware, this model emphasizes compatibility with Extreme’s infrastructure. Its 5-year warranty and straightforward plug-and-play design make it suitable for high-performance data center connections. The passive nature means it’s less flexible in terms of heat dissipation and signal boosting, but for Extreme environments, it offers a dependable, high-speed connection over a longer span.
Pros:- Supports 100Gbps transfer
- Compatible with Extreme 10423
- Includes 5-year warranty
- Reliable passive design
Cons:- Limited to Extreme hardware
- Passive design may lack flexibility
- Fixed 3-meter length
Best for: Operators deploying Extreme 10423 switches needing a dependable, high-speed 3-meter connection.
Not ideal for: Networks with non-Extreme hardware or requiring active components for extended distances and flexibility.
- Compatibility:Extreme 10423
- Type:Breakout Twinax DAC
- Data Rate:100Gbps
- Connectors:QSFP28 to 4x SFP28
- Length:3 meters
- Warranty:5 years
Our verdict“This cable is ideal for Extreme switch environments where a reliable 3-meter high-speed connection is required.”
Compatible with Extreme 10428 QSFP28 to 2x50G QSFP28 3m Breakout Twinax Cable
This passive copper breakout cable excels for users who rely on Extreme 10428 switches, supporting 100Gbps data transfer over a 3-meter length. Compared to the MikroTik XQ+BC0003-XS+, which has a longer reach but is limited to MikroTik devices, this cable offers a tailored fit for specific hardware. Its durability and 5-year warranty provide reassurance for high-demand environments. However, being passive, it may have less flexibility and could face signal loss over longer distances, making it less suitable for complex or extended setups.
Supports high-speed 100Gbps data transfer and is fully compatible with Extreme 10428 switches. It features a durable passive copper design and a 5-year warranty.
Pros:- Supports high-speed 100Gbps transfer
- Compatible specifically with Extreme 10428 switches
- Durable 3-meter passive copper construction
- Includes a 5-year warranty
Cons:- Limited to compatible switch models
- Passive copper design may have less flexibility and signal integrity over longer distances
Best for: Network administrators working exclusively with Extreme 10428 hardware needing reliable, short-range high-speed links.
Not ideal for: Users with mixed or different switch brands, or those requiring flexible, longer-distance cabling options.
- Compatibility:Extreme 10428
- Data Rate:100Gbps
- Channels:2x50G
- Cable Type:Twinax Passive Copper
- Length:3 meters
- Connectors:QSFP28 to QSFP28
- Warranty:5 years
Our verdict“This cable is ideal for high-speed, short-range connections within Extreme 10428 environments, but less suited for broader or mixed setups.”
Compatible with Mellanox MCP7F00-A002R30N 100G QSFP28 to 4xSFP28 Breakout Twinax DAC, 2m
This 2-meter passive twinax cable is tailored for Mellanox MCP7F00-A002R30N, supporting 100Gbps transfer and converting a single QSFP28 port into four SFP28 connections. Compared to the MikroTik XQ+BC0003-XS+ which focuses on MikroTik devices, this cable is optimized for Mellanox environments, providing a cost-effective, short-distance solution. Its tested quality and 5-year warranty deliver confidence, but its limited length and passive design could pose challenges in larger or more flexible network configurations.
While it offers robust high-speed performance, users should be aware of its distance constraints and compatibility scope, making it less ideal for setups beyond Mellanox equipment or longer runs.
High-speed 100Gbps data transfer and compatible with Mellanox devices make this a solid choice for specific high-performance environments.
Pros:- Supports 100Gbps transfer
- Compatible with Mellanox MCP7F00-A002R30N
- Cost-effective for short distances
- Tested with TDR & VNA
Cons:- Limited to Mellanox devices
- Distance limitations due to passive design
Best for: Network engineers deploying short-distance high-speed connections within Mellanox-based data centers.
Not ideal for: Operators with diverse hardware or needing longer cable runs, due to its limited length and passive design.
- Compatibility:Mellanox MCP7F00-A002R30N
- Type:Breakout Twinax DAC
- Length:2 meters
- Data Rate:100Gbps
- Connectors:QSFP28 to 4xSFP28
- Warranty:5 years
Our verdict“This cable is a focused solution for Mellanox environments requiring short, high-speed links, but less adaptable for varied or longer-distance setups.”
MikroTik QSFP28 Breakout Cable, 3m XQ+BC0003-XS+
This 3-meter fiber optic breakout cable connects multiple 25Gbps SFP28 devices to MikroTik CCR2216 or CRS504 routers, simplifying high-speed network expansion. Compared with copper options like the 10Gtek 100G QSFP28 to 4x25G, the MikroTik fiber cable supports greater flexibility and reduced interference, but its fiber optic construction requires more technical setup and lacks outdoor weather resistance. Its multicolor design aids in quick identification, yet the 3-meter length might limit placement options for some setups.
This cable makes the most sense for MikroTik-focused environments needing reliable, multi-device high-speed connections, but less so for environments with mixed hardware or outdoor deployments.
Supports 25 Gbps transfer rates and easy connection to MikroTik devices. Its fiber optic design offers noise immunity, but installation is more complex than copper cables.
Pros:- High-speed 25 Gbps transfer
- Reliable MikroTik compatibility
- Flexible 3-meter length
- Fiber optic noise immunity
Cons:- Limited to MikroTik devices
- Requires technical installation skills
- No outdoor weather resistance
Best for: MikroTik network operators expanding high-speed connections within data centers or enterprise environments.
Not ideal for: Users with non-MikroTik hardware or outdoor applications, due to its fiber optic design and limited weather resistance.
- Connector Type:QSFP28 to 4x SFP28
- Cable Length:3 meters
- Data Transfer Rate:25 Gbps
- Compatible Devices:CCR2216, CRS504
- Category:Fiber Optic
- Color:Multicolor
Our verdict“Ideal for MikroTik users needing high-speed, multi-device connectivity in controlled environments, but not suited for outdoor or mixed hardware setups.”
10Gtek 100G QSFP28 to 4x 25G SFP28 Breakout DAC Copper Twinax Cable, 2-Meter
This 2-meter copper passive breakout cable efficiently converts a 100Gbps QSFP28 port into four 25Gbps SFP28 ports, making it ideal for short, rack-to-rack links. The tested, TDR & VNA-verified quality ensures dependable performance, and its cost-effectiveness makes it attractive for data centers with tight budgets. Compared to fiber optic options like the MikroTik XQ+BC0003-XS+, this copper cable offers easier installation and lower cost, but its limited length and passive design restrict flexibility and outdoor reliability.
This cable works best in tightly controlled indoor environments where short-distance high-speed connections are needed, but it’s not suitable for larger or outdoor deployments.
Supports high-speed 100Gbps to 4x25G transfer and has undergone rigorous testing for quality assurance. Its copper twinax design lowers costs but limits distance.
Pros:- High-speed 100Gbps to 4x25G conversion
- Cost-effective for short distances
- Individually tested for quality
- Easy to install in data centers
Cons:- Limited to very short distances
- Passive design may limit flexibility in complex setups
Best for: Data centers seeking short, cost-effective rack-to-rack high-speed connections with verified quality.
Not ideal for: Long-distance or outdoor applications, or environments with diverse hardware, due to its passive copper design and limited length.
- Type:Breakout DAC Copper Twinax
- Length:2 meters
- Compatibility:Juniper JNP-100G-4X25G-2M
- Data Rate:100G to 4x25G
- Gauge:30AWG
- Tested:TDR & VNA
Our verdict“This cable is perfect for short-range, high-speed rack connections where cost and quality are priorities, but not for extended or outdoor links.”
QSFP28 to 4x SFP28 Breakout Cable, MIK-XQ+BC0003-XS+
This durable, professional-grade breakout cable connects a single QSFP28 port to four SFP28 ports, supporting high-speed data center and network applications. Compared to the shorter 1-meter alternatives like Fortinet’s 100G breakout cables, this 3-meter model offers more flexibility for larger setups. Its construction ensures reliable performance under demanding conditions, making it suitable for enterprise deployments. However, the need for compatible equipment and technical installation can pose barriers for less experienced users, and it’s not designed for outdoor use.
This cable makes a solid choice for data centers prioritizing high-speed, reliable connectivity, though it requires careful handling and compatible hardware.
Supports high-speed data transmission and professional-grade construction. Its length and durability cater to demanding environments, but its specific compatibility limits broader use.
Pros:- Supports high-speed data transmission
- Durable, professional-grade construction
- Flexible 3-meter length
- Reliable for high-demand environments
Cons:- Requires compatible equipment
- Limited to specific connector types
- Installation may be complex for beginners
Best for: Data center operators requiring durable, high-speed, multi-port connectivity with compatible equipment.
Not ideal for: Non-specialized environments or outdoor use where weather resistance and broader hardware compatibility are needed.
- Compatibility:High-speed data center and network
- Configuration:1 QSFP28 to 4x SFP28
- Model:MIK-XQ+BC0003-XS+
- Construction:Professional-grade
Our verdict“This breakout cable is well-suited for enterprise data centers needing reliable, high-speed multi-port links, but less so for casual or outdoor applications.”
10Gtek 100G QSFP28 to 4x 25G SFP28 Breakout DAC Copper Twinax Cable, 1 Meter
This 1-meter passive copper twinax cable stands out for its high compatibility with Cisco switches and thorough testing, making it a reliable choice for quick, short-range rack setups. Compared to longer cables, its limited length restricts flexibility, but it excels in cost-effectiveness and signal integrity for high-density environments. The passive design means it’s straightforward but may not handle environments with higher interference or longer distances. This cable is ideal for data centers needing inexpensive, short-range connectivity without active components.
Pros:- High compatibility with Cisco switches
- Thoroughly tested for signal integrity
- Cost-effective for short-distance rack setups
Cons:- Limited to very short link distances
- Passive design may not suit environments with high interference
Best for: IT teams managing Cisco-based data centers requiring short, reliable interconnects
Not ideal for: Large or dispersed data centers needing longer cable runs or active solutions
- Type:Breakout DAC Copper Twinax Cable
- Length:1 Meter (3.3 ft)
- Compatibility:Cisco QSFP-4SFP25G-CU1M
- Data Rate:100G to 4x 25G
- Gauge:30 AWG
Our verdict“This cable is best suited for users who need dependable, short-range Cisco-compatible connections at an affordable price.”
Compatible with Fortinet FN-CABLE-QSFP28-4SFP28-1 100G QSFP28 to 4xSFP28 1m Breakout Twinax Direct Attach Cable DAC
This 1-meter passive DAC cable is tailored for Fortinet devices, supporting 100Gbps across four SFP28 ports with a simple plug-and-play design. Compared with the shorter 10Gtek model, it offers a similar high-speed transfer but is optimized for Fortinet’s hardware ecosystem, ensuring seamless compatibility. Its 5-year warranty adds peace of mind, yet the limited length and device-specific compatibility mean it’s less flexible for mixed environments. This pick makes the most sense for Fortinet users prioritizing high-speed, reliable links within a confined space.
Pros:- Supports 100Gbps data transfer
- Compatible with Fortinet devices
- Easy connection of multiple ports with a single cable
- Long-lasting 5-year warranty
Cons:- Limited to specific device compatibility
- Passive cable may have distance limitations
- Only available in 1-meter length
Best for: Fortinet data center operators needing a dependable, high-speed breakout cable
Not ideal for: Organizations with diverse hardware needing more universal or longer-distance cables
- Compatibility:Fortinet FN-CABLE-QSFP28-4SFP28-1
- Type:Breakout Direct Attach Cable (DAC)
- Data Rate:100Gbps
- Connectors:QSFP28 to 4xSFP28
- Length:1 meter
- Warranty:5 years
Our verdict“Ideal for Fortinet-centric environments where high-speed, short-distance connections are required with guaranteed longevity.”
Compatible with Supermicro CBL-NTWK-0988-Q28M3 100G QSFP28 to 4xSFP28 Breakout Twinax Cable 3M Passive DAC
This 3-meter passive DAC offers a significant length advantage over shorter cables like the 10Gtek, making it suitable for more flexible rack layouts. It’s fully compatible with specific Supermicro hardware, supporting 100Gbps and four 25Gbps channels. While the longer length provides more installation options, it also introduces potential heat generation and signal degradation compared to shorter, more robust cables like the 10Gtek. This product is best for high-speed connections where device compatibility and length outweigh the need for active solutions or very short runs.
Pros:- Supports 100Gbps data transfer
- Compatible with specific Supermicro hardware
- Includes a 5-year warranty
- Flexible 3-meter length for varied rack setups
Cons:- Limited to compatible devices
- Passive design may generate heat
- Fixed length may not suit all layouts
Best for: Supermicro users seeking longer, high-capacity interconnects within data centers
Not ideal for: Environments requiring ultra-compact cabling or active solutions for longer distances
- Compatibility:Supermicro CBL-NTWK-0988-Q28M3
- Data Rate:100Gbps
- Channels:4x25Gbps
- Connector Type:QSFP28 to 4x SFP28
- Cable Length:3 meters
- Type:Passive DAC
Our verdict“This cable is best for Supermicro environments needing longer, reliable high-speed interconnects with some flexibility in setup.”
QSFP28 100G Direct Attach Copper Cable, 3M/9.8FT, Breakout Power Cable for Juniper and Other Network Devices
This 3-meter passive copper cable offers a straightforward, durable solution for high-speed 100Gbps connections, compatible with multiple brands including Juniper, Cisco, and Ubiquiti. Unlike the more device-specific options like the Fortinet cable, this model emphasizes broad compatibility, making it suitable for multi-vendor environments. However, as a passive cable, it might face limitations in longer runs or environments with high electromagnetic interference. Its plug-and-play design simplifies deployment, especially in mixed-brand networks where flexibility is key.
Pros:- Supports 100Gbps data transfer
- Easy plug-and-play installation
- Durable construction with corrosion resistance
- Compatible across major brands
Cons:- Passive design may limit compatibility with some active devices
- Limited to QSFP28 connectors
- No specific warranty or price info provided
Best for: Data centers with diverse hardware brands needing reliable high-speed interconnects
Not ideal for: Single-brand environments or long-distance applications where active cables are preferred
- Data Transfer Speed:100Gbps
- Cable Length:3 meters / 9.8 feet
- Connector Type:QSFP28
- Material:Oxygen-free copper
- Outer Jacket:LSZH
- Temperature Range:-40°C to 85°C
Our verdict“This cable suits multi-brand data centers seeking a versatile, high-speed, and straightforward interconnect solution.”
Compatible with Extreme 10426 100Gb/s QSFP28 to 2x50G QSFP28 1m Breakout Twinax Cable
This 1-meter passive copper cable is tailored for Extreme 10426 switches, supporting 100Gbps at 50Gbps per channel, and connecting a 100GBASE-CR4 port to two 50G Ethernet ports. It offers a compact, reliable solution similar in length to the 10Gtek but optimized for specific hardware. While the fixed 1-meter length limits flexibility, its high data rate and 5-year warranty make it a dependable choice for Extreme switch environments, especially when shorter, high-capacity links are needed.
Pros:- Supports 100Gbps data transfer
- Compatible with Extreme 10426 switches
- Includes a 5-year warranty
- Reliable high-speed connection for specific hardware
Cons:- Limited to passive copper connections
- Only 1 meter in length
- Specific to certain switch models
Best for: Extreme 10426 switch users needing a dedicated, high-speed breakout cable
Not ideal for: Mixed hardware environments or longer-distance setups requiring active solutions
- Compatibility:Extreme 10426
- Data Rate:100Gbps
- Channels:2x50G
- Cable Length:1 meter
- Type:Passive Copper Twinax
- Warranty:5 years
Our verdict“This cable is best for Extreme 10426 environments that require high-capacity, short-distance interconnects with guaranteed durability.”
How We Picked
I evaluated these qsfp28 breakout cables based on several key factors: compatibility, build quality, performance stability, and value for money. I prioritized cables that are widely compatible with major network brands like Supermicro, Fortinet, and Mellanox, ensuring they suit common enterprise setups. Durability and connector quality were also important, as these cables are often installed in demanding environments. Price was a factor, but I favored options that deliver reliable performance over cheap alternatives, especially for critical networking tasks. The ranking reflects a balanced view of these elements, highlighting products that offer the best combination of performance, compatibility, and value.| qsfp28 breakout cable | Type |
|---|---|
| Compatible with Supermicro CBL | — |
| Compatible with Fortinet FN-CA | — |
| Compatible with Supermicro CBL | Passive DAC |
| Intellinet QSFP28 to 4X SFP28 | — |
| HPC Optics Compatible with Ext | Breakout Twinax DAC |
| Compatible with Extreme 10428 | — |
| Compatible with Mellanox MCP7F | Breakout Twinax DAC |
| MikroTik QSFP28 Breakout Cable | — |
| 10Gtek 100G QSFP28 to 4x 25G S | Breakout DAC Copper Twinax |
| QSFP28 to 4x SFP28 Breakout Ca | — |
| 10Gtek 100G QSFP28 to 4x 25G S | Breakout DAC Copper Twinax Cable |
| Compatible with Fortinet FN-CA | Breakout Direct Attach Cable (DAC) |
| Compatible with Supermicro CBL | Passive DAC |
| QSFP28 100G Direct Attach Copp | — |
| Compatible with Extreme 10426 | Passive Copper Twinax |
Factors to Consider When Choosing Qsfp28 Breakout Cable
Choosing the right qsfp28 breakout cable involves more than just matching connector types. Several factors influence performance, compatibility, and long-term reliability. Understanding these considerations can help you avoid costly mistakes and select a cable that fits your specific network environment.Compatibility with Network Hardware
Ensuring the cable matches your switch, server, or network device is paramount. Many cables specify compatibility with brands like Supermicro, Mellanox, or Fortinet. Picking a cable that’s not compatible can lead to connectivity issues or even hardware damage. Always verify the exact model numbers and port types before purchasing to avoid returns or performance problems.
Passive vs. Active Cables
Passive DAC cables are generally more affordable and suitable for short distances within racks. Active cables incorporate electronics that boost signal integrity, making them better for longer runs or environments with potential interference. The choice depends on your setup: for short-distance, cost-effective connections, passive options usually suffice; for extended or complex environments, active cables may be worth the extra investment.
Cable Length and Flexibility
Length impacts installation ease and signal quality. Shorter cables, like 1m or 2m, are less prone to signal degradation and are easier to manage within racks. Longer cables provide flexibility but may introduce latency or signal loss, especially if not properly shielded. Assess your setup’s spatial requirements carefully to avoid buying excessively long or short cables.
Build Quality and Durability
High-quality connectors and robust materials reduce the risk of disconnections or damage over time. Cheaper cables often use lower-grade connectors that can wear out or cause intermittent connections. Investing in reputable brands usually pays off in more reliable operation, especially in busy data centers or critical network pathways.
Price and Value
While cost is a key consideration, the cheapest option isn’t always the best. Balance your budget with the need for performance and durability. Sometimes paying a bit more ensures longer-lasting, more reliable connections, reducing downtime and maintenance costs. Consider your network’s criticality when deciding how much to invest in high-quality cables.
Frequently Asked Questions
Are qsfp28 breakout cables compatible with all network switches?
Not all qsfp28 breakout cables are compatible with every switch. Compatibility depends on the brand, model, and port specifications. It’s essential to verify manufacturer documentation or consult with the vendor to confirm the cable’s compatibility with your specific hardware. Using incompatible cables can lead to connection failures or hardware issues, so double-check before purchasing.
Should I choose passive or active qsfp28 cables for my setup?
The decision between passive and active cables depends on your application. Passive cables are typically suitable for short, direct connections within racks and are more affordable. Active cables incorporate electronics to maintain signal integrity over longer distances or in environments with electrical interference. Consider your distance, environment, and budget to select the appropriate type.
How do I know the correct cable length for my network?
Measure the distance between your switch and device, adding some slack for routing and management. For most rack installations, 1m to 2m cables suffice. Longer cables, like 3m, provide more flexibility but may impact signal quality if not properly shielded. Avoid excessively long cables if shorter options meet your needs, as longer runs can introduce latency or signal degradation.
Can I mix cables from different brands in my network?
While many qsfp28 cables are designed to be broadly compatible, mixing brands can sometimes lead to compatibility or performance issues. It’s safest to stick with cables from reputable brands that specify compatibility with your hardware. If mixing brands, test thoroughly before deploying in a live environment to prevent connectivity disruptions.
What is the typical lifespan of a qsfp28 breakout cable?
The lifespan varies depending on build quality and usage conditions but generally ranges from 3 to 5 years. Proper handling, avoiding excessive bending or stress, and maintaining clean connectors can extend the cable’s life. Investing in higher-quality cables often results in longer durability and more reliable performance over time.
Conclusion
For most users, the Intellinet QSFP28 to 4X SFP28 100G Passive DAC offers a reliable, versatile solution. Those on a tight budget should consider the 10Gtek 100G QSFP28 to 4x 25G SFP28 DAC for solid performance at a lower cost. Network administrators requiring maximum compatibility and durability might opt for the Compatible with Supermicro CBL-NTWK-0988-Q28M1. For those with more advanced or specific needs, investing in higher-end cables from reputable brands makes sense. Ultimately, your choice depends on your network’s scale, hardware, and performance expectations.
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