This 40GBase-SR4 QSFP+ module delivers what you need most in your network connections: reliable performance. Its built to exacting MSA specifications and fully tested to ensure seamless compatibility. The multimode QSFP+ transceiver module offers a cost-effective way to add replace or upgrade the ports on your networking equipment and its backed by a lifetime warranty.Delivers 40 Gigabit Ethernet connectionsWith data transfer rates of up to 40Gbps and support for Digital Diagnostics Monitoring (DDM / DOM) this QSFP+ module can be installed into fiber networking equipment with an MSA compliant port using an MPO connector. It delivers dependable 40 Gigabit connectivity over multimode fiber for 40GBase-SR4 compliant networks with a maximum distance of up to 150 m (492 ft.) and 850 nm optical wavelength.Built for reliable network performanceThis optical transceiver is engineered to meet or exceed the industrys MSA (Multi-Source Agreement) standards. StarTech.com brings its established reputation for high-quality connectivity solutions to SFP transceivers providing SFPs that match major OEM brands in performance and reliability. Committed to the highest standards StarTech.com provides an extensive range of networking products including copper and fiber network cards fiber media converters Ethernet switches and wireless products.Convenient and scalableDelivering both convenience and scalability this fiber transceiver is fully hot-pluggable which enables you to install it without interrupting network traffic or having to reboot your equipment. It provides a versatile solution thats compatible with a wide range of networking equipment allowing you to expand your network to remote segments cost-effectively.You can count on QSFP40SR4ST for reliable performance backed by a lifetime warranty and free lifetime technical support.