- CR4 Passive Copper Cable
- Direct attach cable
- QSFP+ to QSFP+
- 3 m
- for Catalyst 3016; Nexus 3016
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.