Western Digital My Book 2 Essential 500GB External USB 2.0 Hard Drive
 
Western Digital WDH1CS5000 My Book 2 500GB Hard Drive
 
Western Digital My Book Studio Hard Drive Usb 2.0/ Esata/ Firewire Ext 500gb 7200rpm With 8mb Buffer
 
Western Digital [Bundle] My Book Essential Edition USB 2.0 500 GB External Hard Drive + HDC3 carrying case
 
Western Digital [Bundle] My Book Essential Edition USB 2.0 500 GB External Hard Drive + 11466 USB 2.0 4 Port Hub
 
Western Digital [Bundle] My Book Essential Edition USB 2.0 500 GB External Hard Drive + HDC3 carrying case + 11466 USB 2.0 4 Port Hub
 
Western Digital WDH1B5000 500 GB Hard Drive
 
Western Digital My Book 750GB Essential USB2.0 External Hard Drive
 
Western Digital My Book Home Edition 320GB - USB 2.0 / Firewire 400 & eSata Hard drive