Western Digital Caviar Green 1.5TB 32MB Internal Hard Drive for $69.99 after a $30 rebate. Shipping is $4.22 for a total of $74.21 shipped. Here is a screenshot before the $30 rebate for your reference. This is part of WD’s GreenPower lineup, which reduces energy usage. Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical. Most places have it for over $100.