Toshiba DT01ACA200 2TB Internal Hard Drive for $74.99 shipped after coupon code EMCYTZT4776. Here is a screenshot for your reference. It features 7200 RPM, 64MB cache, and uses SATA 6.0Gb/s interface. Note that it comes in OEM packaging, which means no pretty retail box but is otherwise identical. Most places have it for about $99.