1. 40GBASE-KR4 – backplane transmission, 4 pairs, optional FEC 2. 40GBASE-CR4 / 100GBASE-CR10 – 4/10 pairs, twinaxial copper cable, optional FEC, QSFP module for CR4 3. 40GBASE-SR4 – 4 MM OM3 fiber pairs, 850nm, 10Gbps/pair, 64B/66B 4. 100GBASE-SR10 – 10 MM OM3 fiber pairs, 850nm,...