Raidsonic iR2420-2S-S2B. RAID levels: 0, 1. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: 1x 7Pin SATA, 1x 15Pin SATA. Colour of product: Black. Dimensions (WxDxH): 101 x 26 x 158 mm, Weight: 345 g