QSFP40SR4ST - StarTech.com MSA Uncoded Compatible QSFP+ Module, 40GBASE-SR4, 40GbE Multi Mode (MMF) Fiber Optic Transceiver, 40GE Gigabit Ethernet QSFP+, MPO Connector, 100m, 850nm, DDM, 40 Gbps QSFP+

Lifetime Warranty (QSFP40SR4ST) - QSFP+ transceiver module - 40GbE - 40GBASE-SR4 - MPO multi-mode - up to 150 m - 850 nm - for P/N: PEX40GQSFDPI, PEX40GQSFPI