Cavalry Retriever Pro. Storage media type: HDD, SSD, Storage drive interface: Serial ATA, Storage drive sizes supported: 63.5, 88.9 mm (2.5, 3.5 "). AC input voltage: 100-240 V, AC input frequency: 50/60 Hz, Input current: 1.0 A. Width: 159 mm, Depth: 127 mm, Height: 83 mm. Mac operating systems supported: Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion. Cables included: USB