This HP compatible Gigabit Copper SFP is engineered by StarTech.com to deliver what you need most in your network connections: reliable performance. Built to exacting specifications and fully tested to ensure maximum performance, this high-quality SFP transceiver module can be installed into HP BladeSystem c-Class equipment that supports the HP 453154-B21 module, as well as other major brands of networking equipment. This RJ45 1000Base-T SFP delivers Gigabit connectivity over a distance of up to 100 m (328 ft.). It provides a dependable and cost-effective way to add, replace or upgrade a copper Ethernet port on your networking equipment, and it's backed by a lifetime warranty. This Gigabit RJ45 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 Gigabit Copper SFP is engineered to the highest quality standards and is 100% HP compatible, equivalent to the HP 453154-B21 SFP transceiver. The StarTech.com transceiver is configured and fully tested to ensure it works seamlessly with HP or other major brands of networking equipment.