Seagate 1TB 7200RPM 32MB SATA Internal Hard Drive for $49.99 after a $30 rebate. Shipping is $4.22 for a total of $54.21 shipped. Here is a screenshot before the $30 rebate for your reference. Note that it is in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical. Most places have it for over $80.