IC Intracom Drive Enclosure 3.5" Black. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA. Interface: USB 2.0 type B. Compatible operating systems: Windows 2000/XP/Vista Mac OS 10.x+. Colour of product: Black, Silver. Dimensions (WxDxH): 222.5 x 127 x 38 mm, Weight: 363 g