Western Digital My Book Studio Edition 500GB
ESATA/Firewire 800/USB 2.0, 500 GB, 7200 rpm, External 3.5", Hot Swap, Interface: eSATA/Firewire 800/USB 2.0, Interface Type: eSATA, FireWire800, Internal/External: Extern, Storage capacity: 500.0 GB, Cache memory: 16.0 MB