Transition Networks Small Tranceiver Module 1000BASE-SX. Connectivity technology: Wired. Compliance industry standards: IEEE 802.3 2003; ANSI X3.297-1997. Power consumption (typical): 0.66 W. Dimensions (WxDxH): 0.512 x 2.17 x 0.315" (13 x 55 x 8 mm)