Western Digital Red WD30EFRX 3TB Internal Hard Drive for $109.99 after this $30 rebate. Shipping is $4.68 for a total of $114.67 shipped. Here is a screenshot before the $30 rebate for your reference. It features 3D Active Balance Plus, IntelliPower 64MB cache, SATA 6.0Gb/s interface, and NAS compatibility. Most places have it for about $134 or more.