SFP to RJ45 for CAT 5e copper wire, RJ45 copper connector, 100m, 1000BASE-T Serders interface SFP Transceiver 10/100/1000Mb Auto-Negotiation ^^
Note: It can only be used on intel network cards, not compatible with other brands of switches ^^ Wide Compatibility - Compatible for Intel E1GSFPT-A network cards. Inte lEthernet Converged Network Adapter Intel 82576. Intel I210. Intel I350-F4 ^^ 1000Base-T SFP Transceivers compliant with Gigabit Ethernet and Copper RJ45, specified in IEEE 802. 3-2002 and IEEE 802.3 abwhich supports 1000Mbps data rate up to 100 meters over unshielded twisted-pair category 5 cables. ^^ 3 Warranty - Enjoy Fibermall 30-Days Free-returned, 65-Days Free-replacement, 5-Years Free-maintenance, Fibermall supports regular custom service for your options.