BlueOptics H3C QSFP-100G-4SFP-25G-CAB-2M Compatible Breakout Direct Attach Cable (DAC) - Passive 100 Gigabit to 4x25 Gigabit Twinaxial Copper, QSFP28 to 4xSFP28, 2m

The BlueOptics QSFP-100G-4SFP-25G-CAB-2M-BL is a high-performance breakout direct attach cable (DAC) designed for 100 Gigabit Ethernet applications. This passive twinaxial copper cable provides a cost-effective and low-power solution for interconnecting data center equipment, converting a single QSFP28 port into four SFP28 ports. It is fully compatible with H3C QSFP-100G-4SFP-25G-CAB-2M and offers reliable connectivity for rack-to-rack and server-to-switch links.

Advantages

This breakout DAC cable simplifies cabling by consolidating four 25 Gbps links into one 100 Gbps connection, reducing cable clutter and improving airflow. Its passive design ensures near-zero power consumption (<0.5W) and minimal latency, making it ideal for high-density environments. The 2-meter length is perfect for adjacent rack connections, and the robust PVC jacket provides durability in demanding data center conditions.

Suitable for

• Data center interconnects
• Rack-to-rack and server-to-switch connections
• High-performance computing (HPC) clusters
• Network upgrades to 100G/25G infrastructure

Key specifications

• Product Type: Direct Attach Cable (DAC) Breakout
• Connector A: QSFP28
• Connector B: 4x SFP28
• Data Rate: 100 Gbps aggregate (4x 25 Gbps per channel)
• Cable Length: 2 meters
• Cable Technology: Passive Twinaxial Copper
• Impedance: 100 Ohm
• AWG: 30 AWG
• Jacket Material: PVC
• Operating Temperature: 0°C to 70°C
• Hot-Pluggable: Yes
• RoHS Compliant: Yes
• Standards: SFF-8665, SFF-8402, IEEE 802.3bj (100GBASE-CR4)

Recommendations

For optimal performance, ensure that both the switch and server ports support 100G QSFP28 and 25G SFP28 respectively. This cable is an ideal choice for cost-sensitive deployments requiring high bandwidth and low latency.