WD Desktop performance hard drives are designed for enthusiasts and creative professionals who want leading-edge performance. Upgrade your desktop with these high-performance drives that are perfect for demanding applications like photo and video editing, graphics and multimedia design, gaming and power PCs. These reliable drives are backed by a 5-year limited warranty.2RG9971. 9971. Wd Wd 4 TB WD Desktop SATA 6 Gb/s 7200 RPM High-Performance Internal Hard Drive.