Western Digital Blue 4TB 5400 RPM 3.5″ Internal Hard Drive

SKU: WD40EZAZ Categories: , ,


Availability: Out of Stock

Out of stock

SKU: WD40EZAZ Categories: , ,


Reliable everyday computing

WD Blue™ internal hard drives deliver reliability for office and web applications. They are ideal for use as primary drives in desktop PCs and for office applications. With a range of capacities and cache sizes, there’s a WD Blue internal hard drive that’s just right for you.

NoTouch Ramp Load technology

The recording head never touches the disk media, ensuring significantly less wear to the recording head and media as well as better drive protection in transit.

Low power consumption

State-of-the-art seeking algorithms and advanced power management features ensure low power consumption

Tested for compatibility

We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab to give our customers confidence that our drives will work in their systems.

Upgrading your drive is easy

Seamlessly migrate your current system to your new Western Digital drive using Acronis® True Image™ WD Edition software, available as a free download on the Western Digital Support site. This software enables you to copy all your data to a new drive so you don’t have to reinstall your operating system to get all the benefits of a new drive.

The Western Digital® advantage

Western Digital puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. On average, each new product goes through 600,000 hours of testing. Western Digital also has a detailed Knowledge Base with more than 1,000 helpful articles.

Additional information

Model Number


Formatted Capacity


Form factor



SATA 6Gb/s

Max. Sustained Transfer Rate (MB/s)

180 MB/s


256 MB

Rotational Speed

5400 RPM

Load/Unload Cycles



2 Years


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