The unit uses Perpendicular Magnetic Recording (PMR) technology to achieve high-density storage figures. Western Digital has also used special features to make the drive quiet, use less power, and operate in low temperatures. The rotation speed of the unit is 5,400 rpm.
Outstanding features of the unit include the “ShockGuard” firmware and hardware that protects the unit from shock and failure, as well as the “IntelliSeek” function that calculates the optimal travel speed for the drive motor. the read / write head, so that it helps reduce noise and also drive consumption.