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. Type: Hard drive - internal Capacity: 3 TB Form Factor: 3.5 x 1/3H Interface: SAS 6Gb/s Data Transfer Rate: 600 MBps Buffer Size: 32 MB Spindle Speed: 7200 rpm Features: Shock sensor, Rotary Acceleration Feed Forward (RAFF), NoTouch ramp load technology, Dual Stage Actuator (DSA), S.M.A.R.T. Dimensions (WxDxH): 4 in x 5.8 in x 1 in Weight: 26.45 oz Manufacturer Warranty: 5 years warranty Device Type: Hard drive - internal Capacity: 3 TB Form Factor: 3.5 x 1/3H Interface: SAS 6Gb/s Buffer Size: 32 MB Features: Shock sensor, Rotary Acceleration Feed Forward (RAFF), NoTouch ramp load technology, Dual Stage Actuator (DSA), S.M.A.R.T. Width: 4 in Depth: 5.8 in Height: 1 in Weight: 26.45 oz Drive Transfer Rate: 600 MBps (external) Internal Data Rate: 175 MBps Spindle Speed: 7200 rpm MTBF: 1,400,000 hours Non-Recoverable Errors: 10 per 10^16 Start / Stop Cycles: 600,000 Interfaces: 1 x SAS 6Gb/s Compatible Bay: 3.5 x 1/3H Compliant Standards: RoHS Min Operating Temperature: 41 °F Max Operating Temperature: 131 °F Shock Tolerance: 65 g @ 2ms (operating) / 300 g @ 2ms (non-operating) Service & Support: Limited warranty - 5 years Service & Support: Limited warranty - 5 years