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splitting a single QSFP-DD port into four 100G QSFP56 connections
It can be deployed in a variety of network topologies
This passive 1-meter cable provides a reliable and cost-effective solution for ultra-short range 400G links between switches and routers
The length of OSFP 2xSR4 transceiver is up to 100 meters
The two 400G ends support 4-channels of 50G-PAM4 (200GbE/HDR) and use a flat top QSFP56 for use in Quantum switch cages
NVIDIA/Mellanox Compatible 0.5m (1.6ft) 400G QSFP-DD to 2X200G QSFP56 Passive Direct Attach Copper Breakout Cable for DGX Spark AI Clusters Model:Q2Q56-400G-CU0-5 splitting a single QSFP-DD portDescription NADDOD Q2Q56 400G DAC is a high performance direct connect copper cable that supports the efficient splitting of a single QSFP DD 400G port into two independent QSFP56 200G links. Designed for short distance, high bandwidth, low latency data center interconnect scenarios, it complies with IEEE 802. 3 and QSFP DD QSFP56 MSA specifications. Passive DAC cables offer the lowest cost, lowest latency, and near zero power high speed connection