
Western Digital 2TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD20SPZX
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AI Verdict
This 2TB, 5400 RPM, 2.5-inch SATA 6 Gb/s HDD is for users needing basic, high-capacity storage for older laptops or external enclosures.
This 2TB 5400 RPM drive is a good fit if you need a lot of storage in a 2.5-inch form factor and speed isn't your top priority. It's designed for everyday computing and mobile applications, making it suitable for expanding storage in laptops or external backup solutions.
If you need faster performance for your operating system or applications, look for a solid-state drive (SSD) or a 7200 RPM HDD if you still need mechanical storage.
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Pros
- Offers 2 TB of storage capacity in a compact 2.5-inch form factor, suitable for mobile devices and NVR systems.
- Features a 7mm slim design, allowing compatibility with thin and light mobile applications and most standard 9.5 mm bays.
- Includes Acronis True Image WD Edition cloning software, simplifying data migration for upgrades.
- Engineered with state-of-the-art seeking algorithms and advanced power management for low power consumption and quiet operation.
- WD F.I.T. Lab certified, ensuring compatibility with a wide range of PC configurations.
Cons
- The 5400 RPM spindle speed results in significantly slower data transfer rates compared to 7200 RPM HDDs or SSDs.
- Experiences very slow sustained write speeds, with some users reporting drops from 60-75MB/s to 1.8MB/s after transferring about 10GB.
- Not suitable for modern gaming or resource-intensive applications like video editing due to its limited speed.
- As a mechanical hard drive, it is less durable and shock-resistant than solid-state drives.
Dimension Scores
The 5400 RPM spindle speed and reported sustained write speeds dropping to 1.8MB/s are significantly below average for modern storage.
WD Blue drives are generally considered reliable for everyday computing, with users reporting no issues and expecting long-term performance.
Providing 2TB of storage in a 2.5-inch mobile form factor is a high capacity for its size, suitable for many laptop and external storage needs.
Its 2.5-inch, 7mm slim design ensures broad compatibility with thin and light mobile applications, standard 9.5mm bays, and various PC configurations.
Best For
- Upgrading storage in older laptops or notebooks where SSDs are too expensive for the required capacity.
- Use in external enclosures for archiving large media files, documents, or backups.
- Secondary storage in desktops for non-performance-critical data.
- Applications requiring high capacity in a small form factor, like Network Video Recorders (NVRs).
Not Recommended For
- Primary boot drive for operating systems or frequently accessed applications, due to slow read/write speeds.
- Gaming libraries for modern titles, as load times will be noticeably long.
- Workstations or systems handling heavy workloads such as video editing or large database operations.
Watch Out For
- Sustained write performance can be extremely poor, with one user observing speeds plummeting to 1.8MB/s after an initial 10GB transfer.
- The 5400 RPM speed makes it noticeably slower than 7200 RPM drives, which can impact overall system responsiveness if used as a primary drive.
- Some users consider 2TB HDDs, especially 5400 RPM 2.5-inch models, to be outdated for performance-critical tasks, suggesting they are 'doorstops' for gaming.
Full Specifications
| ASIN | B079BQS5WQ |
| Brand | Western Digital |
| Color | Blue |
| Item Weight | 3.2 ounces |
| Manufacturer | Western Digital |
| Special Feature | Data Recovery Service |
| Installation Type | Internal Hard Drive |
| Item model number | WD20SPZX-SPUA7T0 |
| Compatible Devices | Desktop |
| Product Dimensions | 3.94 x 2.75 x 0.28 inches |
| Hard Disk Interface | Serial ATA |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 2.5 Inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 2 TB |
| Is Discontinued By Manufacturer | No |
What Buyers Say
This WD Blue 2TB drive is a bit of a mixed bag, mostly because of its speed. While it offers a lot of space in a small package, users frequently point out that its 5400 RPM performance and especially its sustained write speeds are a real bottleneck, sometimes dropping to a crawl after initial transfers. However, for basic storage and archiving, people find it to be a dependable choice that installs easily and generally works without fuss. It's definitely not for anyone expecting snappy performance for gaming or heavy applications.
“Man, this thing is slow for copying big files, like it just chokes after a few gigs, but for just dumping movies on it and forgetting, it's fine, I guess.”
Common Praise
- Provides ample 2TB storage capacity in a 2.5-inch form factor.
- Easy to install and set up in laptops or external enclosures.
- Considered a reliable option for general storage tasks.
- Low power consumption and quiet operation are appreciated for mobile use.
- Comes with useful Acronis cloning software for data migration.
Common Complaints
- Very slow sustained write speeds, dropping significantly after initial data transfer.
- 5400 RPM is too slow for modern operating systems, applications, or gaming.
- Performance can be sluggish for tasks involving frequent random read/write operations.
- Not as durable or shock-resistant as SSDs.
Ownership Tips
- The initial burst write speed can be misleading; sustained transfers of large files reveal the drive's true slowness.
- It's best used as a secondary drive for bulk storage, not for anything that needs quick access.
- The 7mm thickness is a real plus for fitting into ultrabooks and other slim devices.
- You'll definitely notice the difference if you're coming from an SSD, even for basic tasks.
Frequently Asked Questions
Is this hard drive suitable for gaming?
No, this 5400 RPM hard drive is generally not recommended for modern gaming. Game load times will be significantly slower compared to an SSD, and some users describe it as too slow for current titles.
Can I use this drive to upgrade my laptop's storage?
Yes, its 2.5-inch form factor and 7mm slim design make it compatible with most laptops, including those designed for thin and light applications, and it fits standard 9.5 mm bays.
How fast is this drive?
It operates at 5400 RPM, which means it's slower than 7200 RPM drives and significantly slower than SSDs. While initial transfers might be around 60-75MB/s, sustained write speeds can drop drastically to as low as 1.8MB/s.
Does it come with software to transfer my old data?
Yes, it includes Acronis True Image WD Edition cloning software, which helps you migrate your data from an old drive to this new one without reinstalling your operating system.
Is this drive quiet?
Western Digital states that this drive uses exclusive noise-reducing technologies to be among the quietest 2.5-inch hard drives on the market.
Buying Guide
When you're looking at a hard drive like this, you need to think about what you're actually going to do with it. This isn't a speed demon; it's a workhorse for holding lots of stuff. If you're just storing photos, videos, or documents that you don't access constantly, this 2TB drive gives you plenty of room. But if you're trying to run your operating system or play the latest games off it, you're going to feel the lag. It's all about balancing capacity with how fast you need to get to your data.
Capacity (2 TB)
This is how much data the drive can hold, like the size of a storage locker. 2 terabytes is a lot of space for documents, thousands of photos, or hundreds of hours of video. It's a big upgrade if you're running out of room on a smaller drive.
RPM (5400)
Revolutions Per Minute tells you how fast the internal platters spin. Think of it like a record player; a faster spin means the read/write head can find and access data quicker. 5400 RPM is on the slower side, so things will take longer to open or save compared to a 7200 RPM drive or an SSD.
Form Factor (2.5 Inches)
This is the physical size of the drive. A 2.5-inch drive is smaller than a 3.5-inch desktop drive, making it ideal for laptops, external enclosures, and compact systems. It's like choosing between a small paperback book and a large hardcover – one fits in more places.
Interface (SATA 6 Gb/s)
This is the connection type the drive uses to talk to your computer. SATA 6 Gb/s is a standard connection, but the drive's actual speed is limited by its 5400 RPM, not the interface's maximum theoretical speed. It's like having a super-fast highway, but your car can only go 30 mph.
Alternatives
If you need significantly faster performance for your operating system, applications, or gaming, look for a solid-state drive (SSD) with a SATA or NVMe interface. For mechanical storage with better speed, search for 7200 RPM 2.5-inch HDDs.



