DAC Cable BlueOptics PAN-QSFPDD-DAC-2M-BL QSFP-DD InfiniBand 2m Black

The BlueOptics PAN-QSFPDD-DAC-2M-BL is a 2 metre passive direct attach cable (DAC) with QSFP-DD connectors on both ends, designed for short-reach high-speed data links. Built as a twinax copper solution in a black jacket, this DAC is intended for use in dense rack and adjacent-rack connections where InfiniBand and high-throughput electrical interfaces are required. Its design focuses on straightforward installation, low power consumption and compatibility with hardware that supports QSFP-DD passive twinax connections.

Advantages

This DAC cable offers a compact 2 m length and QSFP-DD to QSFP-DD connectivity for short-distance, low-latency links. As a passive twinax copper cable it does not contain active electronics, which keeps power consumption and latency low while simplifying deployment and maintenance. The black outer jacket provides mechanical protection and flexibility for routing within racks and between adjacent equipment.

Suitable for

• Short-reach interconnects between servers, switches and storage in racks
• High-bandwidth InfiniBand links where QSFP-DD ports are available
• Data-centre top-of-rack and adjacent-rack connections
• Scenarios requiring low latency and low power passive connections

Key specifications

• Cable type: DAC (direct attach copper)
• Cable length: 2 m
• Connectors: QSFP-DD to QSFP-DD
• Product colour: Black
• Weight: 0.15 kg

How to use

Ensure both host ports support QSFP-DD passive twinax connections and the intended InfiniBand or electrical protocol. With devices powered down or following hot-plug guidance from the hardware vendor, insert each QSFP-DD connector into the corresponding port until it latches. Route the cable to avoid sharp bends and mechanical strain. If the hardware supports hot-swap insertion, verify link status through the devices’ management interfaces after connecting.

Recommendations

Use this 2 m QSFP-DD DAC for short-distance links inside racks or between neighbouring racks. Avoid excessive bending near the connector ends and keep the cable within recommended bend radius for twinax cables. Confirm device compatibility and port settings (passive twinax support) in your switch, router or HBA documentation before deployment.