The QSFP28 passive copper cable assembly feature 8 differential copper pairs, providing 4 data transmission channels at speeds up to 28Gbps per channel, and meets 100G Ethernet, 25G Ethernet and InfiniBand Enhanced Data Rate (EDR) requirements. Available in a broad rang of wire diameters from 26AWG through 30AWG, which can make 100G copper cables assembly features low insertion loss and low crosstalk.