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Store edited photos, videos, and games on this 3.5-inch Western Digital hard drive. It has dynamic cache for optimizing allocation between reads and writes, and there's plenty of space to store files with its 4TB capacity.
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Shipping & Returns
Shipping & Returns
Most orders ship within a few business days — you will get tracking by email as soon as it is on the way. Questions about a delivery or a return? Reach our US-based team at info@improvemintfinancial.com or (855) 447-4921.
Highlights
- Storage Capacity : 4 TB , see in specifications
- Storage Drive Type : HDD , see in specifications
- Product Compatibility : Desktop computers , see in specifications
- Form Factor : 3.5 in. , see in specifications
- Maximum Read Speed : 175 megabytes per second , see in specifications
- Interface(s) : SATA , see in specifications
- Rotational Speed : 5400 RPM , see in specifications
- Usage : Everyday computing, Backup , see in specifications
Specifications
General
| Brand | WD |
|---|---|
| Model Number | WD40EZAX |
| Product Name | Blue 4TB PC Internal Hard Drive for Desktops |
| Product Width | 4 inches |
| Product Height | 1.06 inches |
| Product Weight | 20.16 ounces |
| Warranty - Parts | 2 years limited |
| Warranty - Labor | 2 years limited |
All specifications (24)
Key specs
| Cache Buffer Size | 64 megabytes |
|---|---|
| Storage Drive Type | HDD |
| Interface(s) | SATA |
| Bare Drive | Yes |
| Form Factor | 3.5 in. |
| Storage Capacity | 4000 gigabytes |
| Lighting Type | None |
Other
| Rotational Speed | 5400 revolutions per minute |
|---|---|
| Maximum Read Speed | 175 megabytes per second |
| Maximum Write Speed | 175 megabytes per second |
| Internal Or External | Internal |
| Product Compatibility | Desktop computers |
| Data Encryption | No |
| Usage | Everyday computing |
| Included Software | Acronis True Image WD Edition |
| Minimum System Requirements | PC: Windows 10, 8.1, or 7; macOS High Sierra, Sierra El Capitan |
Features
- 4TB storage capacity Provides plenty of space for documents, photos, music, videos and other data.
- Tested for Compatibility Tested on hundreds of systems, inlcuding Mac and PC, and a multitude of platforms in our F.I.T. Lab to give customers confidence that our drives will work in their systems.
- Low Power Consumption State-of-the-art seeking algorithms and advanced power management features help ensure low power consumption.
- NoTouch Ramp Load technology The recording head never touches the disk surface ensuring significantly less wear to the recording head and data as well as better drive protection in transit.
- Acronis True Image WD Edition cloning software This software enables you to copy all your data to a new drive so you don’t have to reinstall your operating system.
Customer reviews
4.7
out of 5
1,967 customer reviews
Most recent 10 reviews
-
Wd 4 tb
Been a good basic backup drive in an external enclosure
-
Great HDD
Its fast enough to play older games on so you don’t need to waste SSD and 4Tb leaves a lot of space for adventure, if you like running games made prior to 2018, then i would recommend this hard drive. If your game runs slow on it, then you should swap it to SSD
-
4TB Hard Drive
Needed somewhere to put my offline games, had it for over a year and it hasnt failed me yet.
-
Good HDD for the price and quality data storage
Good HDD good for the price and quality I recommend for data and storage
-
Perfect choice
Great HDD runs great and does what I need it to do.
-
Solid Storage
I needed one of these, and it’s been a solid bit of storage with no problems. It’s nice to have so much space to be able to store my videos and other media without having to delete things.
-
Hard drive
Very high quality, works excellent. Exactly what I was looking for.
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Easy and Reliable
No issues, easy installation and reliable hard drive
-
Great hard drive for the price!
Great hard drive. I use it just for storing media, nothing that requires a lot of speed. I was lucky to get it in the spring of 2025 before hard drive prices drastically increased. I regret not buying several more.
-
Good HDD for backups.
If you need and standard HDD, this is a good HDD. Not much more to say, other than take good care of your products and they will last a while.
Ratings and reviews are provided by our partner.
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