StarTech.com Extreme Networks 10051 Compatible SFP Module - 1000BASE-SX - 1GbE Multimode Fiber MMF Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 550m - 850nm - DDM. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1250 Mbit/s, Interface type: SFP. Product colour: Silver, Mean time between failures (MTBF): 629953711 h, Brand compatibility: Extreme Networks. Certification: CE, FCC, UR. Width: 56.6 mm, Depth: 13.7 mm, Height: 12.5 mm. Quantity per pack: 1 pc(s)