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NADDOD O2Q56-400G-CUAH is a passive Direct Attach Copper (DAC) cable with an OSFP-based twin-port 2x 200Gb/s connector to two 200Gb/s QSFP56s
laser bias current
125 GBaud (PAM4) electrical output data
each 400G channel is implemented as a 4×100G PAM4 parallel interface
NVIDIA/Mellanox MCX512A-ACAT ConnectX®-5 EN Network Interface Card, 10/25GbE Dual-port SFP28, PCIe3.0 x8, Tall&Short Bracket Model:MCX512A-ACAT NADDOD O2Q56-400G-CUAH is a passiveDescription ConnectX 5 Ethernet adapter cards provide a high performance and flexible solution with up to two ports of 25Gb s Ethernet connectivity, low latency, and a high message rate, plus an embedded PCIe switch and NVMe over Fabrics offloads. These intelligent remote direct memory access (RDMA) enabled adapters provide advanced application offload capabilities for high performance computing (HPC), cloud hyperscale, and storage platforms.