BlueOptics HPE R5Z78A Compatible QSFP56 Direct Attach Cable, 200GBASE-CR4, InfiniBand HDR, 30AWG, 2m (R5Z78A-BL)

The BlueOptics R5Z78A-BL is a high-performance QSFP56 Direct Attach Cable (DAC) designed for 200 Gigabit Ethernet and InfiniBand HDR applications. This passive twinax copper cable provides a cost-effective, low-latency interconnect solution for data centers and high-performance computing (HPC) environments. Fully compatible with HPE R5Z78A, it ensures seamless integration with existing network infrastructure.

Advantages

This DAC cable offers significant advantages over optical transceivers, including lower power consumption, reduced cost, and simplified cable management. The 30 AWG construction ensures flexibility while maintaining signal integrity over the 2-meter length. Hot-pluggable design allows for easy installation and replacement without powering down equipment.

Suitable for

• Data center top-of-rack (ToR) to server connections
• High-performance computing (HPC) clusters
• Network interconnect between switches and routers
• InfiniBand HDR fabric deployments

Key specifications

• Product Type: Direct Attach Cable (DAC)
• Connector Type: QSFP56 to QSFP56
• Data Rate: 200 Gbps
• Ethernet Standard: 200GBASE-CR4
• InfiniBand Standard: HDR (High Data Rate)
• Cable Length: 2 Meter
• Wire Gauge: 30 AWG
• Cable Material: Copper
• Cable Type: Passive Twinax
• Compatibility: HPE R5Z78A
• Hot-Pluggable: Yes
• Operating Temperature: 0°C to 70°C
• Compliance: RoHS, CE, FCC

Recommendations

For optimal performance, ensure your network equipment supports QSFP56 ports and 200GBASE-CR4 or InfiniBand HDR standards. This cable is ideal for short-reach, high-bandwidth connections within racks or between adjacent racks.