Cisco QSFP-100G-CU1M Compatible 100G QSFP28 Direct Attached Cable (DAC) Twinax

Cisco QSFP-100G-CUxM

Cisco QSFP to QSFP copper direct-attach 100GBASE-CR4 cables (Figure 3) are suitable for very short links and offer a cost-effective way to establish a 100-Gigabit link between QSFP-100G ports of Cisco switches within racks and across adjacent racks. Cisco currently offers passive copper cables in lengths of x=1, 2, 3 and 5 meters.