Raidsonic 2.5" SATA Enclosure. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: USB 2.0. Compatible operating systems: Windows 98/ME/2000/XP/Vista Mac 9.1. Colour of product: Black, Silver. Dimensions (WxDxH): 260 x 185 x 35 mm, Weight: 0.88 kg