Western Digital Blue - 4TB SATA III 6Gb/s 3D TLC NAND Flash DDR3 DRAM Cache 2.5" 7mm Solid State Drive - WDS400T2B0A


The Western Digital Blue WDS400T2B0A has been Discontinued and will be Replaced with the Western Digital Blue SA510 WDS400T3B0A.

Warranty5 Year Manufacturer Warranty
ManufacturerWestern Digital
SeriesWestern Digital Blue Solid State Drive
UPC Code718037868127

Product Specs

Product Specs
Capacity4 TB
Cache BufferVolatile DDR3 DRAM Tiered Caching Technology
Flash TypeSanDisk 64-Layer BiCS3 3D NAND Flash Memory Tri-Level Cell (TLC)
ControllerMarvell 88SS1074 Controller
Form Factor2.5 Inch Internal Solid State Drive
Interface SpeedSATA III 6Gb/s (Backwards Compatible with SATA II 3Gb/s and SATA I 1.5Gb/s)
Interface ConnectorSATA (7-Pin Signal and 15-Pin Power Connectors)
Max Sequential Readup to 560 MB/sec (Crystal Disk Mark)
Max Sequential Writeup to 530 MB/sec (Crystal Disk Mark)
4K Random Readup to 95,000K IOPS (QD32) / up to 10,000K IOPS (QD1)
4K Random Writeup to 82,000K IOPS (QD32) / up to 32,000K IOPS (QD1)
SSD Endurance600 TBW (Total Bytes Written)
Life Expectancy1.75 Million Hours (MTBF Mean Time Between Failures)
Shock Resistance1500Gs @ 0.5ms half sine
Ecc RecoveryError Recovery using Error Correction Code (ECC)
Rohs CompliantYes
Dimensions(L x W x H) 100.2mm x 69.85mm x 7.0mm
Power ConsumptionActive (AVG) 60mW / Operating (Max) Read 3,000mW - Write 3,800mW / Slumber 56mW / DEVSLP 5-12mW
ClassificationPro Level Drives

Key Features

  • Fast Start-Up, Loading and File Transfers
  • Shock and Vibration Resistant
  • Volatile DRAM Tiered Caching Structure
  • Marvell 88SS1074 Controller
  • SanDisk 64-Layer BiCS3 3D TLC NAND Flash Memory (Tri-Level Cell)
  • Active Garbage Collection
  • Low-Density Parity Check (LDPC) Technology
  • Bad Block Management Technology
  • Dynamic and Static Wear Leveling Technology
  • Dynamic Write Acceleration Technology
  • Dynamic Thermal Throttling Technology
  • Trim Support Technology
  • Error Correction (ECC) Technology
  • Built for Laptops, Desktops, Workstations and All-in-One PCs

Western Digital WD Blue 3D NAND SATA SSD

The Western Digital WD Blue 3D NAND SATA SSD utilizes Western Digital 3D NAND technology for capacities up to 4TB in the 2.5” 7mm form factor, or 2TB in the M.2 2280 form factor with enhanced reliability. With sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s you get the speed you want for your most demanding computing applications. Combined with the free, downloadable WD SSD Dashboard software and a 5-year limited warranty, you can confidently upgrade your system to the WD Blue 3D NAND SATA SSD.

  • Superior Performance for high-end Computing - For a variety of computing applications like gaming, HD media playback, or creative software, look to WD Blue 3D NAND SATA SSDs. Western Digital 3D NAND technology helps enable sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s for fast system boot-ups, quick application responses, and rapid transfer speeds.
  • Leading Edge Reliability - An SSD is designed with no moving parts to help protect against data loss if it is accidentally bumped or dropped. And with 1.75M hours MTTF (mean time to failure), up to 600 TBW (terabytes written), and several error correction technologies, WD Blue 3D NAND SATA SSDs can help guard data for years to come.
  • Broad Compatibility - With a certification from the Western Digital Functional Integrity Testing Lab (F.I.T. Lab), every WD Blue 3D NAND SATA SSD is verified for compatibility with a wide range of desktop and laptop computers. Every WD Blue 3D NAND SATA SSD goes through extensive compatibility and reliability testing to ensure it meets the high standards of the WD brand.
  • Downloadable Western Digital SSD Dashboard and Acronis Software - Monitor your drive’s available capacity, operating temperatures, SMART attributes and more with the Western Digital SSD Dashboard. Acronis True Image WD Edition software, available as a free download, can clone drives and backup your operating system, applications, settings and all of your data.
  • 5-year Limited Warranty - Every WD Blue 3D NAND SATA SSD comes with a 5-year limited warranty, so you can be confident of your storage when you upgrade or replace any of your drives.
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