1m (3ft) Generic Compatible 400G QSFP-DD Passive Direct Attach Copper Twinax Cable
Generic Compatible 400G QSFP-DD DAC Twinax Cable (1-meter, Passive, QSFP-DD to QSFP-DD, 30AWG)
The 400G QSFP-DD DAC primarily enables high-bandwidth 400G links and supports 400G Ethernet rate. It provides a QSFP-DD-to-QSFP-DD copper direct-attach solution. They are suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-400G ports of switches/routers within racks and across adjacent racks.