WD WD40E31X Blue 4TB SATA Solid State Hybrid Hard Drive w/ 6GB/s, 64MB Cache

The WD WD40E31X Blue 4TB SATA Solid State Hybrid Hard Drive combines a generous amount of NAND flash SSD technology and massive HDD storage capacity, all in to a single drive. The WD WD40E31X Blue Hard Drive teams up the best of SSD and HDD to produce a hybrid that can increase overall system performance, resulting in quicker system boots, faster application loads and improved responsiveness when compared to traditional hard drives.

The WD WD40E31X Blue Hard Drive introduces high performance NAND flash SSD technology to the huge storage capabilities of traditional HDD storage - uniting both to enhance the computing experience. The WD WD40E31X Blue Hard Drive provides an optimised, all-in-one solution which synergizes SSD-like performance, and massive HDD storage capacity in a single device.

Utilising an advanced set of algorithms, the WD WD40E31X Blue Hard Drive track's data usage, prioritising frequently used data for fast access in the solid state portion of the device, adapting, learning and optimising as new applications and command requests change over time. These advanced algorithms reside in the SSHD firmware, enabling it to make intelligent determinations of which data to store in NAND flash memory, without any influence from the host or related storage device drivers. By pairing SSD-like performance with massive hard drive capacity, WD has created an intelligent hybrid drive that truly offers the best of both worlds.