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By combining dual-channel LR4 architecture with robust environmental tolerance to temperature
NADDOD Cisco QDD-400G-ZR-S Compatible QSFP-DD 400G ZR is a C-band
The two 400G ends support 4-channels of 50G-PAM4 (200GbE/HDR) and use a flat top QSFP56 for use in ConnectX-6/7 adapters and BlueField-2/3 DPUs using riding heat sinks on the connector cage
this cable provides reliable long-distance signal splitting for high-density multi-mode fiber architectures
supporting Ethernet networks with 2 × 800Gb/s links
Dell DAC-Q28-4SFP28-25G-1M Compatible 1m (3ft) 100G QSFP28 to 4X25G SFP28 Passive Direct Attach Copper Breakout Cable NVIDIA Ethernet Switches (RoCE) By combining dual-channel LR4 architectureDescription This Dell DAC Q28 4SFP28 25G 1M compatible 1m breakout cable features passive copper twinax construction to split a 100G QSFP28 port into four 25G SFP28 connections. It provides a reliable short reach link for high density Dell networking deployments with minimal signal degradation. The passive design offers a low cost, energy efficient alternative to optics for immediate high bandwidth switch to server breakout.
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