General InformationThe QSFPH40GCU1M is a Cisco QSFP-H40G-CU1M compatible direct-attach copper QSFP+ cable that's designed, programmed and tested to work with Cisco brand compatible switches and routers and complies with MSA industry standards. This passive Twinax copper cable supports 40 Gigabit Ethernet applications connected through QSFP+ (Mini-GBIC) ports. This copper QSFP+ cable is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. Designed for high-speed performance, this low-power, low-latency QSFP+ cable is a cost-effective alternative to fiber-optic cable assemblies, supporting short-distance applications such as point-to-point in-rack network switch or server connections. StarTech.com SFP Cables All StarTech.com SFP & SFP+ 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.Technical InformationCable Type: TwinaxialCable Length: 3.28 ftConnector on First End: 1 x QSFP+ Male NetworkConnector on Second End: 1 x QSFP+ Male NetworkFeatures: PassiveDevice Supported: Network DeviceDevice Supported: ServerDevice Supported: SwitchAmerican Wire Gauge: 30 AWGData Transfer Rate: 40 Gbit/sPhysical CharacteristicsColor: BlackWeight (Approximate): 2.54 ozMiscellaneousEnvironmentally Friendly: YesEnvironmental Certification: RoHSEnvironmental Certification: WEEE