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The 4TB WD Se SATA 6Gb/s 3.5" Internal Hard Drive provides an ideal solution for scaleout datacenters, delivering a cost-effective combination of performance, reliability, and workload capability while maintaining the hardiness of a true enterprise-class design. It is designed from the ground up to deliver optimal performance and maximum data integrity while running 24x7x365 in demanding multi-slot environments.
Utilzing dual processor technology to provide twice the processing power to maximize performance, the WD Se features enhanced RAFF rotational vibration cancellation technology to monitor the drive and correct both linear and rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives. Plus, its dual actuator technology, a head positioning system with two actuators that improves positional accuracy over the data tracks, provides coarse displacement using conventional electromagnetic actuator principles. The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy. Also, the motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking during read and write operations.