StarTech.com MSA Uncoded Compatible QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM (QSFP40SR4ST)
40 Gbps QSFP+ module with MPO connector, 850 nm multimode fiber for up to 150 m, aluminum housing, 0.7 W power draw, IEEE 802.3ba compliant ...