WD Caviar Green 1.5TB 64MB Cache SATA Hard Drive for $94.50 shipped after code coupon GO4GOLD. Here is a screenshot for reference. Alternatively, it is currently available at Newegg and Amazon for $99.99 shipped. 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 but is otherwise identical.