Compatible for Intel E10GSFPSR. Duplex LC connector link multimode fiber patch cord, Distance up to 300m @50 / 125 um MMF Wave Length: 850nm, Data Rate: 10.3Gb/s 100% Each transceiver is individually done performance test and compatibility test in our Test center before packing. Easy to Install, Plug and Play. Enjoy 30-day free-returned and 3-year warranty service