Hitachi Deskstar 0F10381 500GB 7200RPM Internal Hard Drive for $39.99 Shipped

Hitachi Deskstar 0F10381 500GB 7200RPM Internal Hard Drive for $39.99 shipped by joining MClub.  MClub is a quick sign-up and is basically a free subscription to Mwave’s discount and emailing list.  Here is a screenshot for your reference.  Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical.  Most places have this internal hard drive for $49 or more.