Western Digital Caviar Black 1TB SATA Internal Hard Drivee for $85.49 after promo code HD8251X. Here is a screenshot for your reference. The Black Edition is Western Digital’s high-performance product line of SATA drives that usually require a premium. It also comes with a 5-year warranty. Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical. Most places have it for over $94.