ATOP 100G QSFP28-SR4 is designed as a four-channel, pluggable, parallel, QSFP28 transceiver for 100Gbps optical communication. Each channel can operate at 25Gbps up to 100m on OM4 or 70m on OM3 multi-mode fiber. With 850nm operating wavelength, this transceiver has a 12 fiber MTP (MPO) connector as optical interface and a 38 contact edge type connector as electrical interface. This product is compliant to 100GBASE-SR4 of IEEE802.3bm standard and SFF-8436 specification, and provides reliable long life, high performance, and consistent service.