Raidsonic GT5630-4S-SB2. Maximum capacity: 8 TB, RAID levels: JBOD, Hard drive interface: Serial ATA. Power requirements: AC: 100 V-240 V DC: 12 V/5 V, 200W. Weight: 3400 g. Package dimensions (WxDxH): 270 x 231 x 223 mm, Package weight: 4400 g. Dimensions (WxDxH): 125 x 168 x 212 mm