The Cisco QSFP-H40G-CU1M Compatible 40G QSFP+ Passive Direct Attach Copper Twinax Cable is designed for use in 40GBASE Ethernet. It provides a QSFP+ to QSFP+ copper direct-attach solution. This cable is compliant with IEEE 802.3ba Ethernet standard and QSFP MSA Compliant.
With these features, this easy to install, high speed, cost-effective direct attach copper twinax cable is suitable for short-distance connectivity within a rack or between adjacent racks in data centers.
Note：FS Box does not currently support changing H3C and HPE compatibility for DAC cables.