The NSComm 40G QSFP+ to QSFP+ Direct Attach Copper Cable (DAC) is a low-cost, low-latency interconnect designed for short-distance 40 Gigabit Ethernet links. Built with twinax copper cable and factory-terminated QSFP+ connectors, it provides a plug-and-play alternative to optical transceivers and patch cords for in-rack and adjacent-rack deployments.
The passive version supports lengths up to 7 m (23 ft) without requiring additional power. For longer reaches, active copper versions can extend connectivity with minimal power consumption (< 1.5 W). The cable ensures stable signal integrity, consistent latency, and excellent EMI immunity for dense data center environments.
The NSComm 40G QSFP+ DAC is validated for use with devices from Cisco, Huawei, Juniper, Arista, Dell, Intel, Extreme, and more.
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| Specification | Details |
|---|---|
| Vendor Name | NSComm |
| Product Type | 40G QSFP+ to QSFP+ Direct Attach Copper Cable (DAC) |
| Data Rate | 40 Gbps |
| Cable Type | Twinax Copper, Passive/Active |
| Max Cable Distance | Passive: up to 7 m (23 ft); Active: up to 10 m (33 ft) |
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