Description Generic Compatible 1m 400G QSFP-DD Passive DAC Twinax Cable provides a standard-compliant 400Gbps copper link for short-range high-speed interconnections. This passive twinax assembly delivers low-latency performance with zero power consumption, ideal for top-of-rack switch-to-server links in multi-vendor environments. It ensures reliable high-speed data transmission and high signal integrity for modern 400G architectures.