D-Link DEM-431XT. SFP transceiver type: Fiber optic, Maximum data transfer rate: 10000 Mbit/s, Interface type: SFP+. Safety: UL, TUV, CDRH, Certification: CE, FCC, VCCI, C-Tick. Maximum voltage: 3.3 V, Maximum current: 300 A. Width: 0.583" (14.8 mm), Depth: 0.467" (11.8 mm), Height: 2.22" (56.5 mm). Package width: 2.91" (74 mm), Package depth: 5.16" (131 mm), Package height: 1.93" (49 mm)