The QSFP40GSR4ST is a Cisco QSFP-40G-SR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco™ brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBASE-SR4 compliant networks, with a maximum distance of up to 150 m (492 ft). Technical Specifications: Wavelength: 850nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Connector Maximum Transfer Distance: 150 m (492 ft) MTBF: 1,649,326 hours Power Consumption: Less than 0.7 Watts Digital Diagnostics Monitoring (DDM): Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance. More from the Manufacturer More from the Manufacturer