WD RE (4001FYYG) hard drives are engineered to offer data-hungry SAS storage systems the massive capacity they need without compromising top-of-the-line performance.

Advanced reliability and data integrity features allow for 24x7 operation in tightly packed vibration prone multi-drive systems. This uncompromising combination of high-capacity, peak performance and best-in-class reliability make WD RE drives ideal for business critical applications.