Raidsonic SR6600-5S-WBS2. Processor clock speed: 0.4 GHz. Total storage capacity: 2000 GB, RAID levels: 0, 1, 3, 5, 6, Hard drive interface: eSATA, FireWire 800, Serial ATA, USB 2.0. Weight: 5.7 kg. Dimensions (WxDxH): 270 x 177 x 188 mm, Size: 88.9 mm (3.5 ")