BlueLAN Compatible Arista CAB-Q28-S28-2M Passive 100GBASE-CR4 QSFP28 to 4x25GBASE-CR SFP28 Direct Attach Breakout Cable, 2m, AWG26

The BlueLAN CAB-Q28-S28-2M-BL is a high-performance passive copper direct attach breakout cable (DAC) designed for Arista networks. It provides a cost-effective solution for connecting a 100G QSFP28 port to four 25G SFP28 ports, ideal for data center and high-performance computing environments.

Advantages

This breakout cable offers reliable 100G connectivity with low power consumption, as it requires no external power. The passive design ensures minimal latency and easy deployment. It is fully compatible with Arista equipment, providing a seamless upgrade path for network infrastructure.

Suitable for

• Data center interconnects
• Network switching between 100G and 25G devices
• High-performance computing clusters
• Top-of-rack to server connections

Key specifications

• Product Type: Direct Attach Breakout Cable (DAC)
• Brand Compatibility: Arista (Compatible)
• Arista Equivalent Part Number: CAB-Q28-S28-2M
• Cable Length: 2 meters (6.56 ft)
• Cable Type: Passive Copper
• Wire Gauge: AWG26
• Connector A: QSFP28
• Connector B: 4x SFP28
• Data Rate (Aggregate): 100 Gbps
• Data Rate (Per Lane): 25 Gbps
• Ethernet Standard (A-side): 100GBASE-CR4
• Ethernet Standard (B-side): 4x 25GBASE-CR
• Hot Swappable: Yes
• Compliance: RoHS Compliant
• Power Consumption: Low (Passive)
• Operating Temperature: 0°C to 70°C
• Storage Temperature: -40°C to 85°C
• Voltage Supply: 3.3V (via host)

Recommendations

For optimal performance, ensure that both ends of the cable are securely connected to compatible QSFP28 and SFP28 ports. This cable is ideal for short-distance, high-speed connections within racks or between adjacent racks.