Cooler Master X Craft 350, Silver. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA. Interface: SATA to eSATA & USB 1.1/2.0. Compatible operating systems: Window 98SE/ME/2000/XP/Vista, Mac OS 9.1+/10.2+. Colour of product: Silver. Dimensions (WxDxH): 120 x 225 x 38 mm, Weight: 438 g