Direct Attach Cable BlueOptics 980-9I622-00E00B 1m, 100GBASE-CR4, InfiniBand EDR, 30AWG

BlueOptics direct attach cable 1m is a 30AWG twinax copper cable engineered for 100GBASE-CR4 short-reach links and compatibility with InfiniBand EDR environments. It provides a passive, low-latency connection suitable for high-bandwidth rack-level or server-to-switch interconnects. The cable supports 100 Gb/s aggregated throughput across four lanes and is intended for use in data center top-of-rack, aggregation and server connectivity scenarios where reliable, cost-efficient copper links are required.

Advantages

This direct attach copper cable offers minimal signal loss over short distances and a compact form factor that simplifies rack cabling. The 30AWG twinax construction delivers consistent electrical performance for 100GBASE-CR4 and InfiniBand EDR, enabling low-latency links with reduced power consumption relative to active optical alternatives. The passive design eliminates the need for external transceivers, which can reduce component count and acquisition cost in dense deployments.

Suitable for

• Top-of-rack switch to server interconnects in data centers
• Switch-to-switch short-reach connections within the same rack or adjacent racks
• High-performance computing or InfiniBand EDR fabrics requiring 100 Gb/s links
• Server NIC to switch links where a passive, low-latency copper solution is preferred

Key specifications

• Length: 1 meter
• Cable type: 30AWG twinax copper
• Data rate: 100 Gb/s over 4 lanes (100GBASE-CR4)
• Compatibility: InfiniBand EDR signaling support
• Connector style: direct attach copper (twinax DAC)
• Reach: short-reach, designed for rack-level connections

How to use

Connect one end of the direct attach cable to the 100G-capable port on the switch, router or NIC and the other end to the corresponding port on the remote device. Ensure both ports are configured for 100G operation and that the link partners support 100GBASE-CR4 or InfiniBand EDR. Route the cable cleanly within the rack to avoid sharp bends or excessive stress on the connectors. No external power or transceivers are required for passive operation.

Usage recommendations

For reliable performance, use this cable for short-reach rack-level connections up to its specified length, verify port compatibility before deployment, and avoid tight bends or cable crushing. In mixed environments, confirm firmware and hardware support for 100GBASE-CR4 or InfiniBand EDR to ensure link negotiation and optimal throughput.