StarTech.com 0.5m QSFP+ Direct Attach Cable - MSA Compliant - 40G QSFP+ Passive Twinax Cable - QSFP to QSFP - Black

The StarTech.com QSFP40GPC05M is a high-performance 0.5-meter QSFP+ direct attach copper (DAC) cable designed for 40 Gigabit Ethernet connections. This passive twinax cable provides a cost-effective, low-power solution for short-range data center and enterprise network links. Fully MSA compliant, it ensures interoperability with a wide range of networking equipment from leading brands such as Cisco, Juniper, Arista, Dell, HP, and Mellanox.

Advantages

This QSFP+ cable offers reliable 40 Gbps connectivity with minimal power consumption (<0.5 W) and low latency. Its passive design requires no external power, making it an energy-efficient choice for high-density environments. The durable PVC jacket and 30 AWG wire gauge ensure long-lasting performance, while the black color blends seamlessly into server racks and network setups.

Suitable for

• Data center top-of-rack switching
• High-performance computing clusters
• Enterprise network backbone connections
• Short-distance 40GbE links between switches, servers, and storage devices

Key specifications

• Cable Type: Direct Attach Copper (DAC) Twinax
• Length: 0.5 m (1.6 ft)
• Connectors: QSFP+ male to QSFP+ male
• Data Transfer Rate: 40 Gbps
• Ethernet Technology: 40 Gigabit Ethernet (40GbE)
• Cable Design: Passive
• Wire Gauge: 30 AWG
• Jacket Material: PVC
• Impedance: 100 Ohm
• MSA Compliant: Yes
• Power Consumption: <0.5 W
• Operating Temperature: 0°C to 70°C (32°F to 158°F)
• Storage Temperature: -40°C to 80°C (-40°F to 176°F)
• Humidity: 0-85% RH (non-condensing)
• Certifications: CE, FCC, RoHS, REACH

Recommendations

For optimal performance, use this cable with MSA compliant QSFP+ ports. Ensure proper insertion and removal to maintain signal integrity.