DeLOCK 61965. Storage media type: HDD, SSD, Storage drive interface: Serial ATA, Serial ATA II, Serial ATA III, Storage drive sizes supported: 63.5, 88.9 mm (2.5, 3.5 "). 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: eSATA, USB. LED indicators: Power