- Passive cable design for reliable data transmission
 - Pull tab feature for easy handling and connectivity
 - Supports high-speed 40GBase direct attach cable networking
 - Male QSFP connectors on both ends for seamless integration
 - Refurbished condition provides a cost-effective networking solution
 
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.