The QSFP4SFP10C5 is a Cisco QSFP-4SFP10G-CU5M compatible QSFP+ direct-attach breakout cable. It is designed, programmed and tested to work with Cisco® brand compatible servers or routers and complies with MSA industry standards. Connecting a single QSFP+ port to four 10G SFP+ ports, this passive copper breakout cable is fully hot-pluggable which makes upgrades and replacements seamless by minimizing network disruptions. Designed for short-length and high-speed interconnects, this low-power, low-latency copper QSFP+ cable is also a cost-effective alternative to fiber-optic cable assemblies. It supports short-distance applications such as point-to-point in-rack and across-rack network switch or server connections, for up to four 10G SFP+ devices. StarTech.com SFP Cables All StarTech.com QSFP & QSFP+ cables are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of direct-attach SFP Cables and SFP modules, providing the convenience and reliability you need to ensure dependable network performance.