
0.5m (1.64ft) Cisco QDD-400-CU0.5M Compatible 400G QSFP-DD PAM4 Passive Direct Attach Twinax Copper Cable
Compatible Brand OptionsGenericArista NetworksCiscoDellJuniper NetworksCisco Compatible 400G QSFP-DD DAC Series0.5m (1.64ft)1m (3.28ft)1.5m (4.92ft)2m (6.56ft)2.5m (8.20ft)3m (9.84ft)0.5m (1.64ft) Cisco QDD-400-CU0.5M Compatible 400G QSFP-DD PAM4 Passive Direct Attach Twinax Copper CableCisco QDD-400-CU0.5M compatible DAC is a passive 400Gbps QSFP-DD to QSFP-DD direct attach cable for use in 400GBASE Ethernet. QSFP-DD DAC provides 400Gb/s throughput for 0.5m interconnection with high speed twin-axial copper cable. Standard length options cover from 0.5 meters to 3 meters. The QSFP-DD DAC cable implements 8 independent 50 Gbps PAM4 transmit and receive signal channels in each differential pair for an aggregate 400 Gbps data rate. It also supports 8 channels 25 Gbps NRZ signals for 200 Gbps interconnection. This DAC is fully compliant with QSFP-DD Multi-Source Agreement (MSA), IEEE 802.3cd 400GBASE-CR8 and 400GAUI-8 standard. The twin-axial copper cable's wire gauge is 30AWG and pre-term