WESTERN DIGITAL WD Blue WD40EZRZ 4 TB 3.5" Internal Hard Drive


This product has been discontinued by the manufacturer

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WESTERN DIGITAL Hard Drives / Solid State Drives

for alternative options.


Get Storage Capacity Up to 6 TB
Boost your PC storage with WD Blue drives, the brand designed just for desktop and all-in-one PCs. The WD Blue family now delivers data storage capacities up to 6 TB:
Entry Level: Up to 1 TB
Mainstream: 2 TB to 4 TB
Best Upgrade: 5 TB+

Improve PC Performance
Pair a larger capacity drive with an SSD to give your desktop a performance and storage boost. The SSD maximizes speed of data access, while the WD Blue drive stores up to 6 TB of movies, games, files, applications and more.

Upgrade and Backup with Ease
WD hard drives come with free access to WD Acronis True Image. Our downloadable software quickly copies all your existing data to your new drive - without reinstalling your operating system. Backup and restore functions make it easy to save and retrieve your personal data.

Future-Proof Your Storage
With better technology comes bigger storage needs. Cameras that record ultra-high definition video at 4K resolution and 30 frames per second require a ton of storage. Handling all that media is a snap with our 6 TB drive, capable of storing up to 281.25 hours of 4K video.

Trust in WD
If you know WD, you know our reliability is legendary. Every WD Blue drive is designed, tested and built to last, and ships with a 2-year limited warranty.

Recommended use -
WD Blue storage is tested and recommended for use in desktop and All-in-One PCs, industrial applications, notebooks, and external enclosures.


General Information

Western Digital Corporation
Manufacturer Website Address:
Brand Name:
Product Family:
Product Model:
Product Name:
Blue 4 TB 3.5-inch PC Hard Drive
Product Type:
Hard Drive

Technical Information

Storage Capacity:
4 TB

Drive Performance

64 MB
Spindle Speed (rpm):


Drive Interface:
Drive Interface Standard:

Physical Characteristics

Drive Type:
  • Internal
Drive Width:
26.1 mm
101.6 mm
147 mm
Weight (Approximate):
750 g


Device Supported:
  • Desktop PC
  • Notebook