Western Digital Caviar Green 640GB SATA Internal Hard Drive for $49.99 Shipped

Western Digital Caviar Green 640GB SATA Internal Hard Drive for $49.99 shipped.  Here is a screenshot for your reference.  This is part of Western Digital’s GreenPower lineup, which reduces the power consumption.  Note that it comes in OEM packaging, which means no pretty retail box but is otherwise identical.  Most places have this drive for over $60.