DAC Cable BlueOptics 980-9I54L-00V02A-BL 3m QSFP56 Black

The BlueOptics 980-9I54L-00V02A-BL 3m QSFP56 DAC cable is a direct-attach copper interconnect designed for short-reach, high-speed connections in data centers and network racks. With QSFP56 connectors on both ends and a 3 meter length, this cable supports 200 Gigabit Ethernet links and provides a low-latency physical connection between switches, routers, and servers. The cable is finished in black and is intended for reliable, cost-effective connectivity where optical transceivers are not required.

Advantages

This DAC cable delivers consistent 200 Gbit/s bandwidth with minimal signal loss over short distances, reducing the need for active optical components and power consumption. The integrated QSFP56 male connectors ensure plug-and-play compatibility with equipment that supports QSFP56 ports. The compact, fixed-length design simplifies rack cabling and reduces inventory complexity compared with modular transceiver-based links.

Suitable for

• Interconnecting top-of-rack switches and aggregation switches within the same rack or adjacent racks
• Direct server-to-switch links in high-performance compute clusters
• Short-reach uplinks in data center fabric and spine-leaf architectures
• Environments where low latency and consistent throughput are required

Key specifications

• Interface type: QSFP56 to QSFP56 (direct attach copper)
• Data rate: 200 Gigabit Ethernet
• Length: 3 m
• Weight: 0.15 kg
• Color: Black

How to use

Install the DAC cable by inserting each QSFP56 connector into the corresponding QSFP56 port on network devices until the connector latch engages. Verify link status on both devices and ensure port configurations match the intended 200 Gbit/s operation. Use the 3 m length to route the cable cleanly within racks or between adjacent racks, avoiding sharp bends and excess strain on the connectors.

Recommendations

For reliable operation, keep cable bends above the minimum bend radius specified by the equipment vendor and avoid routing the cable near high-heat sources. Confirm that both networking endpoints support QSFP56 DAC modules and the required 200 Gbit/s settings. For longer distances or architectures that require optical isolation, choose appropriate fiber-optic transceivers instead of a direct-attach copper cable.