WD Blue WD40EZAX 4 TB CMR/256
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
Series WD Blue (storage, protection)Compare using chart →
1 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 7200 rpm, connection: SATA3, warranty 2 years
2 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write SMR, 7200 rpm, connection: SATA3, warranty 2 years
4 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
8 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write CMR, 5600 rpm, connection: SATA3, warranty 2 years
500 GB, built-in, for PC, 3.5 ", buffer: 32 MB, write CMR, 7200 rpm, connection: SATA3, warranty 2 years
4 TB, built-in, for PC, 3.5 ", buffer: 128 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
500 GB, built-in, for PC, 3.5 ", buffer: 16 MB, 7200 rpm, connection: SATA3, warranty 3 years
2 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
2 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write SMR, 5400 rpm, connection: SATA3, warranty 2 years
8 TB, built-in, for PC, 3.5 ", buffer: 128 MB, write CMR, 5600 rpm, connection: SATA3, warranty 2 years
6 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
320 GB, built-in, for PC, 3.5 ", buffer: 16 MB, 7200 rpm, connection: SATA3, warranty 3 years
250 GB, built-in, for PC, 3.5 ", buffer: 16 MB, 7200 rpm, connection: SATA3, warranty 3 years
1 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
2 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
3 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
4 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
6 TB, built-in, for PC, 3.5 ", buffer: 64 MB, 5400 rpm, connection: SATA3, warranty 2 years
Model overview based on user reviews
The WD Blue Blue hard drive receives mixed reviews from users. Many appreciate its affordable price, quiet operation, and reliability, with some users reporting it has lasted for years without issues. However, others have experienced early failures, with some drives failing within months of purchase. The drive is noted for its fast performance for an HDD, but it is often compared unfavorably to SSDs in terms of speed and noise. Vibrations and noise during operation are common complaints, and some users have had to implement solutions to reduce these issues. Overall, while the WD Blue Blue is seen as a good value for basic storage needs, its reliability can be inconsistent, making it less suitable for critical data storage.
Pros
Cons
User reviews 108 | 16 7 25 50 |
One of the best hard drives I’ve worked with =) By the way, I’m writing from it =) Low noise Practicality Price Reliable Fast Speed. Windows XP loads from it in 15 sec, and Windows 7 in 25 sec. No flaws =)  Ilmir Tagirov: use WD WD10EZEX more than year |
One of the best workhorses for an adequate price, I don’t need more than 1 TB, it’s an excellent file dump) Yes, there is the next lvl up in the person of nvme ssd, but you’ll pay a lot more for them) Price, practicality This is not a nvme ssd, haha, but they don’t exist, what else do you need from a hard drive?) |
Nice model, I liked it From this I can note its low cost and packaging Terrible sounds when you turn on the computer, and if you screw it in poorly it will vibrate a lot, but overall it’s quiet use WD WD10EZEX few months |
3 out of 108 user review(s) shown
10 more user review(s)
WD Blue WD40EZAX configurations
| Price for WD Blue WD40EZAX | ||||
|---|---|---|---|---|
 | WD Blue WD10EZRZ 1 TB 64/5400 | from £50.99 | 1 offer | |
 | WD Blue WD10EZEX 1 TB 64/7200 | from £48.00 | 12 offers | |
| WD Blue WD20EZAZ 2 TB 256/5400 | from £70.00 | 4 offers | |
| WD Blue WD20EZBX 2 TB 256/7200 | from £118.74 | 3 offers | |
| WD Blue WD20EARZ 2 TB EARZ | from £75.40 | 7 offers | |
 | WD Blue WD20EZRZ 2 TB EZRZ | from £136.25 | 1 offer | |
 | WD Blue WD30EZRZ 3 TB 64/5400 | from £172.19 | 5 offers | |
 | WD Blue WD40EZRZ 4 TB 64/5400 | from £105.00 | 2 offers | |
| WD Blue WD40EZZX 4 TB CMR/128 | from £110.20 | 6 offers | |
| WD Blue WD40EZAX 4 TB CMR/256 | from £110.34 | 4 offers | |
 | WD Blue WD60EZRZ 6 TB 64/5400 | from £386.93 | 1 offer | |
| WD Blue WD60EZAX 6 TB CMR | from £169.98 | 4 offers | |
| WD Blue WD80EAZZ 8 TB 128/5640 | from £189.00 | 3 offers | |
| WD Blue WD80EAAZ 8 TB 256/5640 | from £224.34 | 3 offers | |
 | WD Blue WD5000AZLX 500 GB 32/7200 | from £25.49 | 13 offers | |
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Universal HDD
The WD Blue WD40EZAX hard drive with CMR magnetic recording technology provides 4 TB of memory, making it an excellent budget solution for creating a simple video surveillance system or assembling a home computer. It copes with processing multiple data streams from cameras in HD/FHD resolution and allows you to save a month's video archive (for 1-2 devices). The 3.5" form factor is suitable for any computer cases, network storage and video recorders. The model is characterized by low power consumption, minimal noise level and is equipped with vibration suppression mechanisms and rotation control sensors, which allows you to use it in RAID arrays and NAS with high savings. In addition, the drive is great for storing multimedia and performing standard tasks on a home or office PC.
Quality assurance
WD Blue WD40EZAX with 4 TB and CMR technology provides data transfer rates of up to 180 MB/s. The use of caching technology minimizes the risk of queue overflow and data loss. The cache size for data processing is 256 MB. NoTouch Ramp Load technology is also used, which reduces wear on the plates and prevents their damage during operation. However, with all the advantages, a two-year limited warranty may seem insufficient. Among the additional benefits, Acronis True Image WD Edition software stands out, which allows you to easily create backup copies of files, partitions, or the entire disk for quick recovery or transfer of data.
We recommend
4 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
