ipolex for Intel E10GSFPSR, 10GBase-SR SFP+ Transceiver Module, MMF, 850nm, 300-Meter, DDM Data Rate: 10.3Gb/s, Connector: duplex LC, Distance: 300m(984 Feet). For Intel E10GSFPSR, work perfectly on 10 Gigabit Intel Network Card (such as X520-DA2/X520-DA1), Router and media converter. Hot-pluggable, Connected with Multi-Mode Fiber. Compliant with MSA SFP+ Specification SFF-8431. 30 Days Free-returned, 3-year Warranty, Free Lifelong Technology Support. If you have any questions, please feel free to contact us : )