40GBASE-CR4 Passive Copper Cable, 3m, Attach Copper Twinax QSFP Cable for Cisco QSFP-H40G-CU3M, Supermicro, Open Switch Devices
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40GbE QSFP+ to QSFP+ DAC Direct Attach Copper Twinax Cable, Passive, 3-meter

Active Optical Cables, 10G/25G/40G/100G Direct Attach Copper Cable, and Customized Services are all produced by Macroreer. 

30-day free return policy, free 3-year warranty, and lifetime tech support.

Widely compatible with open switch hardware, including Cisco QSFP-H40G-CU3M.

For Network Attached Storage, Storage Area Networks, and High Performance Computing, 40G QSFP+ Cable may connect switches, routers, servers, network interface cards (NICs), and other fiber optic equipment having QSFP+ ports.

Product details