The cable type is Madison TurboTwin(Round sheath cable)Of QSFP28 change QSFP28 Direct pluggable I/O cable assembly。26 AWG Wire diameter,The data rate is 25 GBS。
QSFP 25GIG 26AWG 4 METER Cable Assembly Type: QSFP28 to QSFP28 Cable Assembly Length: 4 m Cable Assembly Length: 13.12 ft Data Rate: 25 Gb/s Cable Color: Black QSFP28 to QSFP28 4 m 13.12 ft 25 Gb/s | High Speed I/o Cable Assembly | Part Number: 2333842-8 | Internal Number: 2333842-8 | Black | TE Connectivity | zQSFP+/QSFP28