ENHANCED RAFF TECHNOLOGY FOR VIBRATION PROTECTIONSophisticated electronics monitor the drive, offering significant performance improvement in high vibration environments over our desktop hard drives.IMPROVED POSITIONAL ACCURACYThe primary actuator provides coarse displacement, the secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy.STABLETRACThe motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking during read and write operations.TEN TIMES THE WORKLOAD CAPABILITY OF DESKTOP DRIVESThe workhorse of our datacenter portfolio. High performance, capacity and reliability make the WD Re drive ideal for data warehousing/mining and high-performance computing.High Capacity Nearline DriveMassive capacities up to 6TB suit even the most demanding datacenter, enterprise server, or cloud storage needs.Designed to Handle up to 550TB Per YearAmong the highest workload capability of any 3.5-inch hard drive that delivers performance and reliability to any datacenter environment.Up to 2 Million Hours MTBFThe WD Re drive delivers a high level of reliability for 24x7x365 operation in the most demanding storage environments.1Technical SpecificationsDurable capacity storage for high-availability deployments.SpecificationsCapacity 4 TBInterface SATA 6 Gb/sBuffer Size 64 MBRotational Speed 7,200 RPM (nominal)Metric Weight 0.75 kgMetric Width 101.6 mmMetric Depth 147 mm