Chieftec Black Box 2.5" Enclosure. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: USB 2.0. Compatible operating systems: Windows 98SE-XP, MAC OS 9.X. Colour of product: Black. Dimensions (WxDxH): 133 x 78 x 15 mm, Weight: 95 g