Raidsonic IB-326StUSE2. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA. Colour of product: Silver. Dimensions (WxDxH): 118 x 162 x 233 mm, Weight: 0.405 kg. Package dimensions (WxDxH): 250 x 187 x 490 mm, Package weight: 4.7 kg