Seagate Barracuda LP (Low Power) 2TB 5900RPM SATA Drive for $139.99 shipped.  Here is a screenshot for your reference.  Alternatively, it is also available here for $139.99 shipped  This is Seagate's new line of energy efficient drive.  Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical.  You might also want to check out this deal.  Most places have this 2TB hard drive for about $168 or much more.