BlueOptics Lenovo B4QR Compatible Direct Attach Cable (DAC) Passive 200G Twinaxial Copper QSFP56 to QSFP56 1m

The BlueOptics Lenovo B4QR compatible Direct Attach Cable (DAC) is a high-performance, passive twinaxial copper cable designed for 200 Gigabit Ethernet connections. It features QSFP56 connectors on both ends, making it ideal for interconnecting hardware within racks or across adjacent racks in data center environments. This cable is fully compatible with Lenovo B4QR switches and offers a cost-effective, low-power solution for high-speed data transmission.

Advantages

This DAC cable provides a reliable and energy-efficient connection with power consumption below 0.1W. Its passive design ensures zero latency and minimal signal degradation, while the twinaxial copper construction delivers excellent signal integrity over short distances. The hot-swappable QSFP56 form factor allows for easy installation and maintenance without disrupting network operations.

Suitable for

• Data center interconnects
• Rack-to-rack connections
• Server-to-switch links
• High-performance computing environments

Key specifications

• Product Type: Direct Attach Cable (DAC)
• Cable Technology: Twinaxial Copper
• Cable Design: Passive
• Data Rate: 200 Gbps
• Connector Type (End 1): QSFP56
• Connector Type (End 2): QSFP56
• Cable Length: 1 meter (3.3 feet)
• Compatibility: Lenovo B4QR
• Form Factor: QSFP56
• Hot-Swappable: Yes
• Power Consumption: Low (< 0.1W)
• Application: Data Center Interconnect, Rack-to-Rack, Server-to-Switch
• Compliance: MSA Compliant

Recommendations

For optimal performance, ensure that both connected devices support QSFP56 interfaces and 200G Ethernet. This cable is plug-and-play and requires no configuration. It is recommended for use within the same rack or adjacent racks to maintain signal quality.