Description This Cisco QSFP-4SFP25G-CU1M compatible 1m breakout cable delivers robust 100Gb/s aggregated throughput by splitting a QSFP28 port into four 25G SFP28 connections. Constructed with passive copper twinax, it ensures high signal integrity and reduced cable management complexity over short reaches. It is optimized for immediate top-of-rack breakout connectivity in high-density 100G Ethernet environments.