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Western Digital My Book Studio Hard Drive Usb 2.0/ Esata/ Firewire Ext 500gb 7200rpm With 8mb Buffer
 
[Bundle] WESTERN DIGITAL - My Book II Essential Edition 500 GB External hard drive - USB 2.0 + HDC3 carrying case
 
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Play.com Western Digital 500GB "My Book"2 Home Edition USB2.0 / Firewire400 / eSATA / External Hard Drive
 
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Western Digital 500GB Essential External Hard Drive