C2G/Cables to Go 39516 Cisco SFP-10G-SR Compatible 10GBase-SR MMF SFP+ Transceiver Module SFP+ transceiver module designed for use with Cisco network equipment Functionally identical to Cisco SFP-10G-SR LC ports designed for use with Multimode Fiber 850nm wavelength signaling - supports up to 300 meters of cabling Lifetime Warranty