Cisco 40GBASE-CR4 Passive Copper Cable - Direct attach cable - QSFP+ to QSFP+ - 10 ft - twinaxial - orange - for Catalyst 3016; Nexus 3016, 3064-E, 3064PQ, 3064-X
Cisco QSFP to QSFP copper direct-attach 40GBASE-CR4 cables are suitable for very short distances and offer a very cost-effective way to establish a 40-gigabit link between QSFP ports of switches within racks and across adjacent racks.
