Perfect Choice PC-171577. Storage drive size: 2.5", Maximum capacity: 640GB. Colour of product: Black, Orange, Material: Aluminium. Package weight: 350 g. Dimensions (WxDxH): 129 x 88 x 19 mm, Package dimensions (WxDxH): 179 x 132 x 43 mm, Power requirements: 5VDC, 500mA