for Arista CAB-D-D-400G-3M, 400G QSFP-DD to QSFP-DD DAC Cable, 3m/10ft

400G QSFP-DD to QSFP-DD DAC Direct Attach Copper Twinax Cable, MCU, Passive, 3-meter(9.84ft), 30AWG. Utilizes passive DAC technology without retimer chips, operating at <0.1W. Ideal for high-density data centers to reduce heat and cooling costs. Supports 400G Ethernet (8x 50G PAM4), providing stable, low-latency connections for AI training and GPU clusters. QSFP-DD to QSFP-DD copper direct-attach 400G cables are suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-400G ports of switches within racks and across adjacent racks. No configuration needed. A significantly cheaper alternative to optical modules for short-distance 400G connections. 100% compatible with Arista. 10Gtek owns Compatibility LAB to meet the coding requirements for various brands of switches and routers. Each cable is individually tested before delivery.