StarTech.com HP J4858C Compatible SFP Module, 1000BASE-SX Fiber Optical Transceiver, J4858C10PKST, 10 Pack
StarTech.com's HP J4858C compatible SFP transceiver module supports 1000BASE-SX and comes in a 10 pack. It is designed for Gigabit fiber connectivity with an MM LC interface.
