Western Digital Caviar Green 2TB 32MB Cache SATA Internal Hard Drive for $229.99 shipped via 2nd business day deliveryafter code RV?C5P142ZS24D. Here is a screenshot for your reference. This drive gives you the bragging right of having the biggest drive currently available on the market. This drive is part of Western Digital’s GreenPower lineup, which reduces energy consumption. Most places have it for $249 or more.