CRU DataPortable 350 Portable Hard Drive Enclosure - Storage Enclosure. Size: 88.9 mm (3.5 "), Hard drive interface: IDE/ATA. Compatible operating systems: Windows 98 SE, ME, 2000, XP and Mac OS 9 or greater. Colour of product: Stainless steel. Dimensions (WxDxH): 119 x 203 x 45 mm. Material: Aluminium