Cisco QSFP-H40G-CU3M 40GBASE-CR4 Passive Direct Attach Copper Cable
Save on enterprise-grade 40G connectivity with this refurbished Cisco QSFP-H40G-CU3M DAC cable. This genuine Cisco 3-meter passive twinax copper cable delivers reliable 40Gbps QSFP+ to QSFP+ direct-attach performance for short-distance data center links — backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
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Part Number: QSFP-H40G-CU3M (also referenced as QSFP-H40G-CU3M-R)
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Cable Type: 40GBASE-CR4 Passive Direct Attach Copper (DAC) Twinax
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Data Rate: 40 Gbps (4 x 10 Gbps channels)
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Length: 3 meters (9.84 ft)
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Connectors: QSFP+ to QSFP+ (hot-swappable)
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Power Consumption: Max 1.5W per end
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Wire Gauge: 30 AWG
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Operating Temperature: 0°C to 70°C
Standards & Compliance
- IEEE 802.3ba 40GBASE-CR4 compliant
- QSFP+ MSA (SFF-8436) compliant
- InfiniBand SDR/DDR/QDR compatible
- RoHS compliant
Compatible Cisco Platforms
Tested and certified for Cisco Catalyst 9200, 9300, 9300L, 9400, 9500, 9600 series switches, as well as Nexus 2000, 3000, 5000, 6000, and 9000 series. Ideal for top-of-rack (ToR) connections, adjacent rack-to-rack links, and short-range switch-to-switch or server-to-switch applications in data centers.
Why Buy from Reef Telecom?
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10-Year Warranty on all refurbished equipment
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Free Shipping on orders over $300
- Professionally inspected, tested, and restored to like-new condition
- Cost-effective alternative to buying new — same reliability at a fraction of the price
