Western Digital RE SAS - hard drive - 1 TB - SAS 6Gb/s, P/N WD1001FYYG WD RE SAS 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 SAS drives ideal for business critical applications. High-capacity Peak performance Enterprise-class reliability Compatibility Vibration protection NoTouch ramp load technology Enhanced error correction Environmentally conscious