This StarTech.com 10 Gigabit fiber SFP+ is engineered to deliver reliable network connections. Built to exacting specifications and fully tested to ensure maximum performance, this high-quality fiber transceiver module can be installed into Cisco switches and routers that support the Cisco SFP-10G-LR-S transceiver module, as well as other major brands of networking equipment. This 10GBase-LR SFP+ delivers 10 Gigabit connectivity over single-mode fiber cable with a range of up to 10 km (6.2 mi.). It provides a dependable and cost-effective way to add, replace or upgrade the ports on your networking equipment, and it's backed by a lifetime warranty. This 10 GbE SFP+ is manufactured by StarTech.com to meet or exceed OEM specifications and comply with the industry's MSA (Multi-Source Agreement) standards. Committed to the highest standards of quality, StarTech.com provides an extensive range of networking products including copper and fiber network cards, fiber media converters, Ethernet switches and wireless products. This 10 Gigabit single-mode SFP+ is engineered to the highest quality standards and is 100% Cisco compatible, equivalent to the Cisco SFP-10G-LR-S SFP+ transceiver. The StarTech.com SFP+ transceiver module is configured and fully tested to ensure it works seamlessly with Cisco or other major brands of networking equipment. You can be assured that the use of StarTech.com SFP products should not affect the warranty protection of your networking equipment.