BlueOptics QSFP28 Direct Attach Cable 1m, 100GBASE-CR4, 30AWG (980-9I62S-00C001-BL)

BlueOptics QSFP28 Direct Attach Cable 1m is a passive copper interconnect designed for 100GBASE-CR4 Ethernet links. The cable features QSFP28 connectors at both ends and a 1 metre fixed length, offering a compact solution for short-reach 100 Gbps connections between switches, routers or servers in data center environments. Constructed with 30AWG conductors, this DAC supports full 100G data rates over direct electrical connections without electrical-to-optical conversion, reducing latency and power consumption for adjacent equipment links.

Advantages

The cable provides a reliable, low-latency connection for 100 Gbps links using standardized QSFP28 interfaces and a hardened copper assembly suited to rack-level interconnects. Its 1 m length and 30AWG construction deliver predictable electrical characteristics for short-distance runs while avoiding the need for transceivers, which can lower total equipment cost and simplify installation. Passive operation eliminates active components in the link, making the cable a simple, maintenance-free option for dense deployment scenarios.

Suitable for

• Top-of-rack connections between switches and servers
• Aggregation and spine links within data center racks
• Short interconnects between adjacent network devices requiring 100GBASE-CR4

Key specifications

• Connector type: QSFP28 to QSFP28
• Supported standard: 100GBASE-CR4
• Length: 1 metre (fixed)
• Cable gauge: 30AWG
• Operation: Passive direct attach copper (DAC)
• Data rate: 100 Gbps (aggregate)

How to use

Install the cable by inserting each QSFP28 connector into the corresponding port on your network devices until the latch engages. Ensure both ends are fully seated and that the cable is routed without sharp bends or excessive strain; maintain manufacturer-recommended bend radius for 30AWG assemblies. Use this DAC for short-range, rack-level links where direct electrical connections are supported by device ports and the 100GBASE-CR4 physical layer is accepted by the equipment.

Usage recommendations

Verify compatibility with the switch or server vendor for passive QSFP28 DACs and confirm that the equipment accepts 100GBASE-CR4 copper attachments. Avoid installation near strong electromagnetic sources, and handle connectors by the housing to prevent contamination. For best results, keep cable runs within 1 m and follow data center cable management practices to prevent connector stress.