400GBASE-SR4 QSFP112 Flat Top Transceiver MMF 850nm 100m Transceiver 100% OEM Compatible 400GBase-SR4 QSFP112 Flat Top Transceiver (MMF, 850nm, 70m OM3/100m OM4, MPO-12 APC, DDM, C-Temp, Ethernet, CMIS 5.0)