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Newegg.com has a Hard Drive sale: Western Digital Caviar SE16 WD6400AAKS 640GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive for $99.99 with free shipping.

Other deals include:
* Seagate Barracuda 7200.10 500GB SATA Hard Drive $79.99 shipped
* Western Digital 640GB SATA Hard Drive $99.99 shipped
* Seagate Barracuda 7200.11 750GB SATA Hard Drive $119.99 shipped
* Samsung 1TB SATA Hard Drive $179.99 shipped
* Western Digital My Book 500GB External Hard Drive $99.99 shipped
* Cavalry 500GB External Hard Drive $84.99 shipped $30AR
Final Price for this deal: $99.99 + Free Shipping