4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ is a niche pick — read recent reviews before buying in the drives & media category, priced around $279.99. Read recent reviews carefully before committing.
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.
SpecPicks Verdict
SpecPicks classifies Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM… as a niche pick — read recent reviews before buying in the drives & media category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Western Digital's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for drives & media of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Reliable everyday computing.Specific uses: Personal
- ✓ Backed by Western Digital's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Reliable everyday computing.Specific uses: Personal
- Western Digital quality and reliability
- Free Acronis True Image WD Edition cloning software
- Massive capacity up to 6TB
Full Specifications
| Brand | Western Digital |
|---|---|
| Color | Blue |
| Model Name | WD Blue PC Hard Drive |
| Read Speed | 126 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Form Factor | 3.5-inch |
| Media Speed | 240 Gigabytes Per Second |
| Model Number | WD40EZAZ |
| Compatibility | PC |
| Built-In Media | HDD |
| Item Type Name | Hard Disk Drive |
| Hard-Drive Size | 4 TB |
| Mfr Part Number | WD40EZAZ |
| Number of Items | 1 |
Ready to buy?
Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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