
Western Digital
Western Digital WD40EZAZ 4TB Blue HDD PC Internal
★★★★★
Expand your PC storage with the Western Digital Blue 4TB internal hard drive featuring 256MB cache and quiet 5400 RPM operation.
$119.75*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
Reliable everyday computing
Western Digital quality and reliability
Free Acronis True Image WD Edition cloning software
1 Year Warranty
Zero Power on Hours
Specifications
Brand
Western Digital
Model
WD40EZAZ
Capacity
4TB
Interface
SATA 6 Gb/s
Spindle Speed
5400 RPM
Cache
256 MB
Form Factor
3.5"
Series
WD Blue
Warranty
1 Year
Similar Products
Other products from the same family that visitors often consider:
✓ AvailableWestern Digital WD40EZAZ 4TB WD Blue Internal HDD
$219.99
View on Amazon →
✓ AvailableWestern Digital WD40EZAX 4TB Blue PC HDD
$179.99
View on Amazon →
✓ AvailableWestern Digital 4348277502 4TB Enterprise HDD Renewed
$129.99
View on Amazon →
✓ AvailableWestern Digital WD4001FAEX Black 4TB Desktop HDD
$344.75
View on Amazon →
✓ AvailableWestern Digital WD43PURZ 4TB Purple Surveillance HDD
$219.99
View on Amazon →Pros & Cons
👍 Pros
- 4TB capacity provides substantial storage for documents, media, and applications at an affordable price point.
- 256MB cache helps improve read and write performance for frequently accessed data.
- 5400 RPM spin speed runs quieter and cooler than 7200 RPM drives, well suited for everyday desktop use.
- Includes Acronis True Image WD Edition for straightforward drive cloning and data migration.
- Standard SATA 6 Gb/s interface ensures broad compatibility with desktop systems.
👎 Cons
- 5400 RPM speed is slower than 7200 RPM drives, resulting in longer load times for large files.
- Not designed for NAS, surveillance, or enterprise workloads that require 24/7 operation.
- Only a 1-year warranty, which is shorter than the 2-year coverage offered on some competing desktop drives.
- As a mechanical hard drive, it is significantly slower than an SSD for boot and application loading.
- No built-in hardware encryption for data security.
Frequently Asked Questions
What interface does the WD40EZAZ use to connect to a motherboard?
It uses a standard SATA 6 Gb/s interface, compatible with virtually all desktop motherboards and SATA controllers.
Is this drive suitable for use in a NAS or server environment?
The WD Blue line is designed for everyday desktop computing. For NAS or server use, Western Digital recommends their Red or Ultrastar product lines, which are rated for 24/7 operation.
Does the WD40EZAZ come with any bundled software?
Yes, it includes a free license for Acronis True Image WD Edition, which allows you to clone your existing drive to this one for easy migration.
What is the form factor of this drive?
It is a standard 3.5-inch internal hard drive, designed to fit in desktop PC drive bays.
Does this drive come factory-sealed with zero usage hours?
Yes, Western Digital states this drive ships with zero power-on hours, meaning it is new and unused.