Enermax Jazz 3.5" SATA External Enclosure. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA II. Interface: USB 2.0. Compatible operating systems: Windows 98SE / ME /2000 / XP / Vista Mac OS 8.6. Colour of product: Silver. Dimensions (WxDxH): 124 x 43 x 220 mm, Weight: 0.49 kg