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 500GB Hard Disk Drive
 
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