I-QSFP28 ihlanganisa amapheya ethusi ayisishiyagalombili ahlukene, ehlinzeka ngeziteshi ezine zokudlulisa idatha ngesivinini esifika ku-28Gbps ngesiteshi ngasinye, futhi ihlangabezana nezidingo ze-100G Ethernet, 25G Ethernet kanye ne-InfiniBand Enhanced Data Rate(EDR). kusuka ku-26AWG nge-30AWG-le ngqungquthela yekhebula le-100G yethusi ihlanganisa ukulahlekelwa okuphansi kokufaka nokukhuluma okuphansi kwesiphambano.