Western Digital Blue SSHD WD40E31X 4TB 3.5" SATA 6.0Gb / s Hard Drive
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WD Blue SSHD
WD Blue Solid State Hybrid Drives (SSHD) combine a generous amount of NAND flash SSD technology and massive HDD storage capacity into a single drive. WD engineers team 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.
Inspiring performance and capacity
WD Blue SSHD introduces high-performance NAND flash SSD technology to the huge storage capabilities of traditional HDD storage - uniting both to enhance the computing experience. A single WD Blue SSHD drive provides an optimized, all-in-one solution which synergizes SSD-like performance, and massive HDD storage capacity in a single device.
8 GB NAND flash for blazing performance
An optimal amount of built-in NAND flash SSD technology enables WD Blue SSHDs to perform at up to four to five times faster than traditional 5400 rpm HDDs, based on PCMark Vantage*.
* As measured by PCMark Vantage storage benchmarking software.
Utilizing an advanced set of algorithms, WD Blue SSHDs track SSHD data usage, prioritizing frequently used data for fast access in the solid state portion of the device, adapting, learning and optimizing 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.
Work faster, smarter and more efficiently
Power users such as digital artists, photographers, and gamers will welcome WD Blue SSHD's ultra-fast read and write speeds when it comes to their large creative and multimedia files. The capacity limitations of a standalone SSD are no longer an issue; WD Blue SSHD has the capacity for an entire digital portfolio, with outstanding, SSD-like speed at a manageable price.
A gaming rig equipped with WD Blue SSHD can deliver faster game loads, auto saves, and can reduce lag between levels when compared to traditional hard drives. Ultra-fast drive response results in a smoother gaming experience and the added capacity means gamers can store more of today’s larger game files.
Synergy delivers value
WD Blue SSHD is equipped with the optimal amount of NAND flash to deliver fast, SSD-like performance over high-capacity storage, significantly lowering the $/GB compared to the higher cost and lower capacity of standalone SSDs.
Simple installation with no special software required
The WD Blue SSHD hybrid drive is self-contained in a traditional HDD form factor, and installs as easily as any traditional hard drive without special drivers or downloads required. WD Blue SSHDs are compatible with most typical computer configurations, including PC and Mac.
WD Blue SSHDs are performance-tested for use in PCs, high-performance workstations and gaming systems.
General Brand Western Digital Series WD Blue SSHD Model WD40E31X Highlights Western Digital Blue SSHD WD40E31X Hard Drive, 3.5" Form Factor, 4TB (4000GB) Capacity, 64MB Cache, 7200 RPM Rotational Speed, SATA 6 Gb/s Interface, MLC NAND Type, 8GB NAND Size. Specifications Interface SATA 6 GB/s Formatted Capacity 4TB Form factor 3.5-inch Advanced Format (AF) Yes RoHS compliant Yes Performance Data transfer rate (max) Buffer to host : 6 GB/s
Host to/from drive (sustained) : 150 MB/s
NAND Type MLC NAND Size 8GB Cache 64MB Reliability/Data Integrity Load/unload cycles 300,000 Non-recoverable read errors per bits read <1 in 1014 Limited warranty 3 years Power Management Spinup (Max) 12VDC ±10% 2.8 (A, peak) Spinup (Max) 5VDC ±10% 1 (A, peak) Spinup (Max) 38.6 W Average power requirements Read/Write : 6W
Idle : 4.75W
Standby and Sleep : 0.57W
Environmental Specifications Temperature Operating : -0° C to 60° C
Non-operating : -40° C to 70° C
Shock Operating Shock (Read) : 30G, 2 ms
Non-operating Shock : 350G, 2 ms
Acoustics (dBA) Idle Mode - 25 dBA (average)
Seek Mode 0 - 26 dBA (average)
Physical Dimensions Height 1.028 Inches Length 5.787 Inches Width 4.00 Inches Weight 0.99 Pounds