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4m (13.12ft) Cisco QSFP-H40G-CU4M Compatible 40G QSFP+ Passive Direct Attach Copper Cable
  • 4m (13.12ft) Cisco QSFP-H40G-CU4M Compatible 40G QSFP+ Passive Direct Attach Copper Cable


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1-3 days delivery, OEM customization takes 4-6 days. Final time decision based on the actual project, please contact us to confirm.

4m (13.12ft) Cisco QSFP-H40G-CU4M Compatible 40G QSFP+ Passive Direct Attach Copper Cable

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Product Code: QSFP-H40G-CU4M
Cozlink Price: US$46.00
Shipping Costs: US$25.58 to United States Via FEDEX-IP
The actual cost is determined by the final area and weight.
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QSFP+ (Quad Small Form-factor Pluggable Plus) copper direct-attach cables are suitable for very short distances and offer a highly cost-effective way to establish a 40-Gigabit link between QSFP+ ports of QSFP+ switches within racks and across adjacent racks. These cables are used for 40GbE and Infniband standards, to maximize performance. QSFP+ are designed to meet emerging data center and high performance computing application needs for a high-density cabling interconnect system capable of delivering an aggregate data bandwidth of 40Gb/s. This interconnect system is fully compliant with existing industry standard specifications such as the QSFP MSA and IBTA (InfiniBand Trade Association). The QSFP+ cables support the bandwidth transmission requirements as defined by IEEE 802.3ba (40 Gb/s) and Infiniband QDR ( 4x10 Gb/s per channel) specifications.


Compliant QSFP MSA specifications

Fully compatible with IEEE802.3ba and Infiniband QDR


40 Gb/s total bandwidth

4 independent duplex channels operating at 10Gbps, also

support for 2.5Gbps, 5Gbps data rates

100 ohm differential impedance system

Single 3.3V power supply, low power consumption, <1.5W

Low Near-End Crosstalk(NEXT)

Operating case temperature: -40 to 85°C

All-metal housing for superior EMI performance

Precision process control for minimization of pair-to-pair skew

AC coupling of PECL signals

EEPROM for cable signature & system communications

30 AWG to 24 AWG cable sizes available

RoHS compliant



Networked storage systems


External storage systems

Data Center networking



InfiniBand Trade Association (IBTA)


40Gigabit Ethernet (40G BASE – CR4)

Mechanical Information
Ordering Information
International Authoritative Certification

Compliance with the international ISO9001, CE, FCC, RoHS standards.Cozlink strict implementation of standardized management and control of the design, development, production, installation and service.

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