Cisco QSFP-H40G-CU7M 40G QSFP+ Passive Direct Attach Copper Cable

Save significantly on genuine Cisco 40G connectivity with this refurbished QSFP-H40G-CU7M direct attach copper (DAC) cable. This 7-meter 40GBASE-CR4 twinax cable delivers high-speed, low-latency QSFP+ to QSFP+ connections — ideal for rack-to-rack and top-of-rack links in data center environments. Backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• Part Number: QSFP-H40G-CU7M
• Cable Type: 40GBASE-CR4 QSFP+ to QSFP+ Passive Direct Attach Copper (DAC)
• Data Rate: 40 Gbps (4 x 10 Gbps)
• Cable Length: 7 meters (23 ft)
• Connector: QSFP+ on both ends
• Power Consumption: 1.5W max, single 3.3V supply
• Operating Temperature: 0°C to 70°C (32°F to 158°F)
• Standards: IEEE 802.3ba, QSFP+ MSA SFF-8436, RoHS Compliant

Features & Benefits

• Hot-swappable — plug and play with no drivers required
• Certified and tested for Cisco 40G QSFP+ Ethernet ports
• Low latency and low power passive copper design
• Cost-effective alternative to optical transceiver assemblies
• Compatible with Cisco Nexus, Catalyst, and other 40G QSFP+ platforms

Why Buy from Reef Telecom?

• 10-Year Warranty on all refurbished equipment
• Free Shipping on orders over $300
• Professionally tested, inspected, and verified before shipment
• Significant savings over new list price

The Cisco QSFP-H40G-CU7M is the go-to 40G DAC solution for short-distance data center interconnects — connecting switches, servers, and routers within and across adjacent racks. Order from Reef Telecom for enterprise-grade reliability at refurbished prices.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.