Count on dependable & cost-efficient Gigabit Ethernet connections over single-mode / multi-mode fiber with this Mini-GBIC module. This HP compatible Gigabit fiber SFP is engineered by Star Tech.com to deliver what you need most in your network connections: reliable performance. Built to exacting specifications & fully tested to ensure maximum performance, this high-quality fiber transceiver module can be installed into HP networking devices that support the J4859C transceiver module, as well as other major brands of networking equipment. This 1000 Base-LX SFP delivers Gigabit connectivity over single-mode or multi-mode fiber cable. It provides a dependable & cost-effective way to add, replace or upgrade the ports on your networking equipment. For large-scale requirements & maximum cost-savings, this Gb fiber SFP is also available in a J4859C10PKST" text="10-pack: J4859C10PKST. This Gigabit SFP optical transceiver is manufactured by Star Tech.com to meet or exceed OEM specifications & comply with the industry's MSA (Multi-Source Agreement) standards. Committed to the highest standards of quality, Star Tech.com provides an extensive range of networking products including copper & fiber network cards, fiber media converters, Ethernet switches & wireless products. The SM/MM Gigabit SFP is engineered to the highest quality standards & is 100% HP compatible, equivalent to the HP J4859C mini-GBIC. The Star Tech.com SFP transceiver is configured & fully tested to ensure it works seamlessly with HP or other major brands of networking equipment. You can be assured that the use of Star Tech.com SFP products should not affect the warranty protection of your networking equipment. Delivering both convenience & 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 & cost-effective solution that's compatible with a mul