Perfect for large-scale deployments or installations on multiple devices, this bulk pack of Gigabit RJ45 Copper SFP modules provides maximum cost savings. Built to exacting specifications and fully tested to ensure maximum performance, these high-quality transceiver modules can be installed into Cisco switches and routers that support the GLC-T SFP transceiver module, as well as other major brands of networking equipment. The SFP transceivers provide a dependable and cost-effective way to add, replace or upgrade the copper Ethernet ports on your 1000Base-T networking equipment, and they're backed by a lifetime warranty. The SFP transceivers included in this 10-pack are 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. These Gigabit RJ45 SFPs are engineered to the highest quality standards and are 100% Cisco compatible, equivalent to the Cisco GLC-T SFP transceiver. StarTech.com transceivers are configured and fully tested to ensure they work 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. Delivering both convenience and scalability, these SFP transceiver modules are fully hot-pluggable, which enables you to install them without interrupting network traffic or having to reboot your equipment. They provide a convenient solution that's compatible with a multitude of multi and single-port Gigabit Ethernet networking devices. Ideal for use in switches, routers and other networking equipment, the SFPs provide reliable performance, enabling you to expand your network to remote segments cost-effectively. The SFPs support auto-negotiation, a maximum distance of up to 100 m (328 ft.), and maximum data rates of up to 1000Mbps. You can count on GLCT10PKST for reliable performance, backed by a lifetime warranty and free lifetime technical support.