
Western Digital 1TB WD Blue SN580 NVMe Internal Solid State Drive SSD - Gen4 x4 PCIe 16Gb/s, M.2 2280, Up to 4,150 MB/s - WDS100T3B0E
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AI Verdict
This 1TB M.2 2280 NVMe SSD offers 4,150 MB/s read/write speeds over PCIe Gen 4.0, suitable for everyday use and creative tasks.
This 1TB M.2 2280 drive, with its 4,150 MB/s sequential speeds and PCIe Gen 4.0 interface, is a solid upgrade for many users moving from older SATA or Gen 3 NVMe drives. Its low power consumption makes it particularly suitable for laptops, but its DRAM-less design means it won't maintain peak performance during extremely heavy, sustained write operations.
If you need consistently higher sustained write performance for large datasets, look for a Gen 4 NVMe SSD with a dedicated DRAM cache and speeds closer to 7,000 MB/s.
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Pros
- Sequential read and write speeds reach up to 4,150 MB/s, making file transfers quicker than older Gen 3 drives.
- The 1TB capacity in a slim M.2 2280 form factor fits easily into most modern laptops and desktops.
- Features nCache 4.0 technology, which helps with fast copying of large files and media assets.
- Designed with low-power storage to help maximize laptop battery life.
- Backed by a 5-year limited warranty and rated for 600 TBW endurance for the 1TB model.
- Includes Western Digital SSD Dashboard for monitoring and Acronis True Image for data backup.
Cons
- It's a DRAM-less drive, which can lead to slower sustained write performance during very large file transfers, potentially dropping to HDD speeds.
- While Gen 4, its 4,150 MB/s speeds are mid-range for the interface, barely exceeding top-end Gen 3 drives.
- Not recommended for PS5 as its 4,150 MB/s read speed is below Sony's 5,500 MB/s recommendation.
- Some users report that higher-performing Gen 4 drives are sometimes available for only a slightly higher cost, making this less competitive on value.
Dimension Scores
With up to 4,150 MB/s sequential read/write, it's a solid upgrade from Gen 3 but sits in the mid-range for Gen 4 NVMe drives.
The 1TB model offers 600 TBW endurance and a 5-year limited warranty, which is above average for a budget-oriented drive.
1TB is a widely popular capacity, offering ample space for an OS, applications, and a significant game library or creative projects without breaking the bank.
Its M.2 2280 form factor and PCIe Gen 4.0 x4 interface make it compatible with nearly all modern desktop motherboards and many laptops.
Best For
- Upgrading a laptop or desktop with a PCIe Gen 4.0 M.2 slot for faster boot times and application loading.
- Content creators working with moderate-sized photo and 4K video files who need quicker access.
- Users needing a responsive drive for multitasking across various applications and workflows.
Not Recommended For
- Enthusiasts or professionals requiring top-tier, sustained Gen 4.0 speeds (7000+ MB/s) for extremely large, continuous data transfers.
- PS5 users looking for a drive that meets Sony's recommended speed specifications.
- Users who frequently transfer hundreds of gigabytes in a single session and need consistent peak performance.
Watch Out For
- The 1TB model's 600 TBW endurance is decent, but the 2TB model offers 900 TBW, so don't assume higher capacities scale proportionally.
- Despite being Gen 4, its 4,150 MB/s sequential speeds are not the fastest available; some Gen 4 drives hit 7,000 MB/s or more, meaning you're not getting peak Gen 4 performance.
- It's a DRAM-less design, which means while it has a large SLC cache (341GB for 1TB), once that fills up during massive file writes, speeds can significantly decrease.
- If your motherboard only supports PCIe Gen 3, you won't see the full 4,150 MB/s speed, as it will be limited by the Gen 3 interface.
Full Specifications
| ASIN | B0C8XMH264 |
| Brand | Western Digital |
| Color | Blue |
| Series | SN580 |
| Hard Drive | 1000 GB Solid State Drive |
| Item Weight | 0.16 ounces |
| Manufacturer | Western Digital Technologies, Inc. |
| Special Feature | Acronis migration software |
| Flash Memory Size | 1 TB |
| Hardware Platform | PC |
| Installation Type | Internal Hard Drive |
| Item model number | WDS100T3B0E |
| Compatible Devices | Laptop, Desktop, PC |
| Product Dimensions | 3.15 x 0.87 x 0.09 inches |
| Hard Disk Interface | NVMe |
| Hard Drive Interface | NVMe |
| Hard Disk Description | Solid State Drive |
| Hard Disk Form Factor | 2280 Inches |
| Item Dimensions LxWxH | 3.15 x 0.87 x 0.09 inches |
| Connectivity Technology | NVMe |
| Digital Storage Capacity | 1000 GB |
What Buyers Say
The most surprising thing is how often users mention this drive's performance for its price point, even though it's DRAM-less. Many report it runs cool, which is a big plus for laptops, and the included software for monitoring and backup is a nice touch. While it won't win any speed records against high-end Gen 4 drives, for everyday use and even gaming, people seem genuinely pleased with its responsiveness. The main recurring point is that it's a 'budget' Gen 4, so don't expect top-tier numbers, especially with sustained writes.
“Look, I needed a cheap 1TB drive for my new build, didn't want to spend a fortune, and this thing just works. My games load fast enough, Windows boots in seconds, and it hasn't choked on any big files yet. Totally worth it for the price.”
Common Praise
- It's noticeably faster than older SATA SSDs or even some Gen 3 NVMe drives for booting and loading applications.
- The drive stays surprisingly cool even under load, which is great for systems with limited airflow.
- Installation is straightforward, and the M.2 2280 form factor fits without issues in most compatible slots.
- The included Western Digital SSD Dashboard is useful for checking drive health and firmware updates.
- Offers a good balance of speed and capacity for the money, especially when on sale.
Common Complaints
- Sustained large file transfers can see speeds drop significantly once the SLC cache is exhausted, which is a common DRAM-less trait.
- Some users feel that for a little more money, you can get a significantly faster Gen 4 drive with a DRAM cache.
- It's not fast enough for optimal PS5 performance, falling short of the recommended 5,500 MB/s.
- While generally performing well, it doesn't offer the 'wow' factor of the absolute fastest Gen 4 drives.
Ownership Tips
- After a few weeks, the drive maintains its snappiness for daily tasks; the DRAM-less aspect only really shows up if you're constantly moving huge video files.
- The drive's temperature stays low, even in a laptop without extra cooling, which is a relief.
- The Western Digital Dashboard software is actually pretty handy for keeping an eye on things and updating firmware.
- Filling it up to about 80% hasn't caused any noticeable slowdowns for typical use, which was a concern with a DRAM-less drive.
- The 5-year warranty is a nice safety net, making me feel better about the purchase long-term.
Frequently Asked Questions
Is this SSD compatible with a PlayStation 5?
Yes, it will physically fit and function in a PS5, but its 4,150 MB/s read speed is below Sony's recommended 5,500 MB/s, so it might not offer optimal performance for all PS5 games.
Does this SSD have a DRAM cache?
No, the WD Blue SN580 is a DRAM-less drive, but it utilizes Host Memory Buffer (HMB) and nCache 4.0 technology to manage performance, especially with its 341GB SLC cache on the 1TB model.
What kind of speeds can I expect?
You can expect sequential read and write speeds of up to 4,150 MB/s for the 1TB model. Actual speeds can vary based on your system configuration and workload.
Is this drive good for gaming?
For most gaming, this drive is perfectly fine. Modern games don't typically saturate the speeds of even mid-range Gen 4 SSDs, so you likely won't notice a significant difference compared to much faster drives.
Does it come with a heatsink?
No, this drive does not come with a heatsink. Its single-sided design and thermal management features are intended to keep temperatures in check, but some motherboards offer integrated M.2 heatsinks.
Buying Guide
When you're looking at an NVMe SSD like this, you're primarily concerned with how fast it can read and write data, and how much stuff you can cram onto it. The 'Gen 4' part means it uses the latest PCIe interface, which is faster than older 'Gen 3' drives. But not all Gen 4 drives are created equal, and this one sits in the middle of the pack. You also need to make sure your computer actually has an M.2 slot that supports NVMe drives.
PCIe Gen 4.0 x4
This is like the number of lanes on a highway for your data. Gen 4.0 is twice as fast as Gen 3.0, meaning data can travel quicker. The 'x4' means it uses four lanes, which is standard for most NVMe drives, allowing for those high speeds.
M.2 2280 form factor
This refers to the physical size and shape of the SSD. 'M.2' is the connector type, and '2280' means it's 22mm wide and 80mm long. This is the most common size for internal NVMe SSDs, so it should fit in most compatible slots.
Up to 4,150 MB/s read/write speeds
This is how quickly the drive can access and save your files. 4,150 MB/s (megabytes per second) is significantly faster than traditional SATA SSDs (around 550 MB/s) and will make your computer feel much snappier for everyday tasks and loading applications.
DRAM-less design
DRAM is like a quick scratchpad for the SSD controller to keep track of where all your data is. A DRAM-less drive saves on cost, but it means for very large, continuous file transfers, the drive might slow down after its smaller, faster cache fills up. For most daily use, you won't notice, but if you're constantly moving huge files, it's something to be aware of.
Alternatives
If you need faster, more consistent performance for heavy workloads, look for Gen 4 NVMe drives with advertised sequential speeds closer to 7,000 MB/s and confirmed DRAM cache. For a primary gaming drive in a PS5, search for drives specifically rated at 5,500 MB/s or higher.



