IRVINE, Calif. – Nov. 20, 2012 – WD®, a Western Digital (NASDAQ: WDC) company and a world leader in hard drives, today announced its highest performance, highest capacity desktop hard drive, the WD Black™ 4 TB, 3.5-inch, 7200 RPM drive. Shipping immediately, the fast performance and ultimate capacity of the award-winning WD Black drives make them perfect for gaming, high-performance desktop systems and workstations.