Conceptronic USB SATA HDD 2.5" BLACK. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: USB, Cables included: USB. Colour of product: Black. Dimensions (WxDxH): 84 x 135 x 18 mm, Weight: 75 g, Width: 84 mm. Internal memory: 8 MB