NVIDIA Direct Attach Cable QSFP+ a QSFP+ 40 cm

Direct attach copper cable with QSFP+ connectors on both ends, delivering 40 Gigabit Ethernet connectivity over a short 40 cm span. Its passive design eliminates power consumption while ensuring low-latency performance for high-density data center links.

Advantages

Passive copper construction provides a cost-effective alternative to optical transceivers for short-reach interconnects. The cable supports hot-swappable installation, simplifying maintenance and upgrades. With 30 AWG conductors and PVC jacket, it balances flexibility with durability in tight rack environments.

Suitable for

• Connecting switches, servers, and storage devices within the same rack
• High-performance computing clusters requiring 40GbE throughput
• Mellanox and NVIDIA QSFP+ compliant equipment
• Data center top-of-rack to end-of-row deployments

Key specifications

• Cable type: Direct Attach Copper (DAC), passive
• Connectors: QSFP+ to QSFP+
• Data rate: 40 Gbps
• Length: 0.4 m (40 cm)
• Wire gauge: 30 AWG
• Impedance: 100 Ohm
• Operating temperature: 0 to 70°C
• Compliance: SFF-8436

Recommendations

Ideal for IT professionals seeking reliable, low-latency 40GbE links in space-constrained racks. Verify QSFP+ port compatibility before purchase.