Conceptronic CUSBSHARE2P, USB 2.0, Black, Windows XP, Vista, 7 Mac OS X 10.5, 3.31" (84 mm), 2.56" (65 mm), 0.827" (21 mm) Conceptronic CUSBSHARE2P. Hub interfaces: USB 2.0. Product color: Black. Compatible operating systems: Windows XP, Vista, 7 Mac OS X 10.5. Width: 3.31" (84 mm), Depth: 2.56" (65 mm), Height: 0.827" (21 mm). Dimensions (WxDxH): 3.31 x 2.56 x 0.827" (84 x 65 x 21 mm)