The Cisco 10GBase-SR SFP module offer customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications. The Cisco 10GBase-SR Module supports a link length of up to 300 meters on multi-mode fiber. Compatible with: Cisco Nexus 5000 Series Switches, Cisco Nexus 7000 Series Switches.