Promise Technology SuperSwap 1600, Bulk 16-Pack. Controller interface type: SAS/SATA/SATA II, Controller type: RAID. Size: 133.3 mm (5.25 "), Hard drive interface: Serial ATA. Colour of product: Black. Width: 146 mm, Depth: 209.5 mm, Height: 41.91 mm. Power requirements: 4-pin