StarTech.com Cisco GLC-SX-MMD Compatible SFP Transceiver Module - 1000BASE-SX~Cisco GLC-SX-MMD Compatible SFP Module - 1000BASE-SX - 1GbE Multimode Fiber MMF Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 550m - 850nm - DDM Cisco Firepower, ASR920, IE2000. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1250 Mbit/s, Interface type: SFP. Product colour: Silver, Housing material: Aluminium, Mean time between failures (MTBF): 3381761 h. Power consumption (typical): 1 W. Compliance certificates: CE, RoHS. Width: 13.7 mm, Depth: 56.6 mm, Height: 12.5 mm