Raidsonic 2.5" PATA Enclosure. Size: 63.5 mm (2.5 "), Hard drive interface: IDE/ATA. Interface: USB 2.0. Compatible operating systems: Windows 98/SE/ME/2000/XP. Colour of product: Black. Dimensions (WxDxH): 147 x 147 x 50 mm, Weight: 90 g