Description NVIDIA/Mellanox Compatible 2.5m 400G OSFP Flat Top to QSFP-DD Passive DAC Twinax Cable offers a 2.5-meter hybrid reach for bridging 400G OSFP and QSFP-DD ports. This passive copper cable is designed to maintain high signal integrity over medium-short distances with zero power consumption. It is optimized for NVIDIA/Mellanox high-performance computing environments requiring flexible and reliable 400GbE form factor interconnections.