
4TB SSD Internal Solid State Drive 2.5" SATA III 6Gb/s, 550MB/s Read Speed 3D QLC NAND, 4TB SATA SSD PC/Laptop Upgrade, Shock-Resistant & Drop-Proof(ES106)
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AI Verdict
A 4TB 2.5-inch SATA III SSD with 550MB/s read and 500MB/s write speeds, using 3D QLC NAND, best for secondary storage in laptops or PCs where sustained write performance isn't critical.
This 4TB SATA SSD is a situational fit because its 4TB capacity and advertised read speeds are appealing for bulk storage, but the severe drop in write performance after 1TB makes it unsuitable for consistent heavy writing. It's fine if you're mostly reading data or only writing small files occasionally.
If you need consistent write performance for large files, look for a 2.5-inch SATA SSD with TLC NAND and a larger, more robust SLC cache, or consider an NVMe drive if your system supports it.
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Pros
- Offers 4TB of storage capacity in a 2.5-inch form factor, fitting most laptops and desktops.
- Advertised sequential read speeds reach 550MB/s, accelerating system boot and game loading.
- Features 3D QLC NAND flash memory for high-density storage.
- Designed to be shock-proof and drop-proof, offering physical durability.
- Plug-and-play compatibility with Windows, macOS, Linux, and NAS systems.
- Backed by a 3-year limited warranty and 24/7 technical support.
Cons
- Real-world write speeds drop significantly to 50-60 MB/s after approximately 1TB of data is written, far below the advertised 500MB/s.
- The use of QLC NAND typically means lower endurance compared to TLC or MLC drives.
- Support response to performance issues suggested waiting 15 minutes for cache recovery, which did not resolve the sustained slow write speeds for a user.
- Some users express skepticism about the brand's long-term reliability for critical data storage.
Dimension Scores
While advertised at 550MB/s read and 500MB/s write, real-world write speeds drop to 50-60 MB/s after about 1TB, which is significantly below average for a SATA SSD.
Concerns exist about the brand's long-term reliability and the use of QLC NAND, which typically has lower endurance than TLC, leading to user skepticism about data integrity.
The 4TB capacity is a high-density offering for a 2.5-inch SATA SSD, providing ample space for large game libraries or media storage.
With a 2.5-inch form factor and SATA III interface, it offers broad plug-and-play compatibility with most Windows, macOS, Linux, and NAS systems.
Best For
- Expanding game libraries on a PC or laptop where re-downloading is an option if the drive fails.
- Secondary storage for large media files that are primarily read, not frequently written or modified.
- Budget-conscious users needing high capacity for non-critical data.
Not Recommended For
- Primary boot drives or applications requiring consistent, high-speed write performance.
- Storing critical data without a robust backup solution due to brand skepticism and QLC endurance concerns.
- Professional video editing or large database work that involves frequent, large file transfers.
Watch Out For
- Expect write speeds to plummet to 50-60 MB/s once about 1TB of data has been written, making large transfers frustratingly slow.
- The brand's customer support may offer unhelpful advice, like suggesting a 15-minute wait for cache recovery, which doesn't fix sustained slow writes.
- There's a risk of data loss or drive failure within a year, according to some user concerns about lesser-known brands.
Full Specifications
| ASIN | B0CCR7BCFC |
| Brand | Ediloca |
| Color | black |
| Series | ES106 |
| Hard Drive | 4 TB Solid State Drive |
| Item Weight | 2.11 ounces |
| Manufacturer | Ediloca |
| Special Feature | 3D QLC NAND Technology, Shock Resistant |
| Installation Type | Internal Hard Drive |
| Item model number | ES106_4TB_US |
| Compatible Devices | Laptop |
| Package Dimensions | 5.83 x 3.43 x 0.67 inches |
| Hard Disk Interface | Serial ATA-600 |
| Hard Drive Interface | Serial ATA-600 |
| Hard Disk Description | Solid State Drive |
| Hard Disk Form Factor | 2.5 Inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 4 TB |
What Buyers Say
The biggest surprise with this Ediloca 4TB SSD is how quickly its write performance tanks; one user reported speeds dropping from 350-400 MB/s to a sluggish 50-60 MB/s after filling just 1TB. This makes it a tough sell for anything beyond basic storage. There's a general vibe of caution around the brand, with some users straight-up saying they wouldn't trust 4TB of data to it. While the 4TB capacity is appealing, the inconsistent performance and brand reputation are major red flags.
“Dude, I bought this for my game library, and it's fine for that, but trying to move a bunch of big files to it? Forget it. It's like watching paint dry after the first terabyte. I'm kinda regretting not just spending more on a Samsung, honestly.”
Common Praise
- The 4TB capacity is a lot of space for the price point.
- It's a standard 2.5-inch form factor, making installation straightforward in most systems.
- Initial read speeds are close to advertised, making boot times and game loading faster.
- It's advertised as shock-proof, which adds a layer of physical durability.
Common Complaints
- Write speeds severely degrade after writing about 1TB of data, becoming as low as 50-60 MB/s.
- Skepticism about the brand's long-term reliability and the risk of data loss is a recurring theme.
- Customer support responses regarding performance issues were unhelpful, suggesting a temporary cache issue rather than acknowledging sustained slowdowns.
- The use of QLC NAND raises concerns about drive endurance over time.
Ownership Tips
- The initial fast write speeds are misleading; the drive slows down dramatically once the SLC cache is exhausted, typically after filling around 1TB.
- Despite being advertised as shock-proof, the underlying QLC NAND's endurance is a bigger concern for long-term data safety.
- You'll need to manually format the drive after installation for it to appear in your system.
- The 3-year warranty is there, but getting satisfactory technical support for performance issues might be a challenge.
Frequently Asked Questions
Will this SSD work in my laptop?
Yes, this is a 2.5-inch SATA III SSD, which is a standard form factor and interface for many laptops. It's compatible with Windows, macOS, and Linux systems.
Do I need to format this SSD before using it?
Yes, newly purchased SSDs are blank and require formatting in Disk Management (or equivalent for macOS/Linux) before your computer can recognize and use them.
How fast are the read and write speeds?
It's advertised to reach 550MB/s read and 500MB/s write speeds. However, user testing shows write speeds can drop to 50-60 MB/s after writing approximately 1TB of data.
Is this SSD suitable for gaming?
It can accelerate game loading times and is suitable for storing a large game library. However, if games involve frequent, large writes (like recording gameplay directly to the drive), the sustained slow write speeds might be an issue.
What kind of NAND flash does this SSD use?
This SSD uses 3D QLC NAND flash memory, which allows for high-density storage but generally has lower endurance and can exhibit slower write speeds after its SLC cache is exhausted.
Buying Guide
When you're looking at SSDs, especially high-capacity ones like this 4TB model, you need to think about what you're actually going to do with it. Don't just look at the headline speed numbers, because those often represent 'burst' speeds. For a drive like this, the type of NAND flash and how it handles sustained writes is crucial. If you're just storing games or movies you rarely move around, the initial speed is fine. But if you're constantly moving huge files, you'll hit a wall fast.
3D QLC NAND
This refers to the type of memory cells used. QLC (Quad-Level Cell) stores four bits per cell, allowing for higher capacity at a lower cost. The trade-off is typically lower endurance (how many times data can be written before cells wear out) and slower write speeds, especially after the drive's faster 'SLC cache' is full, which is exactly what happens here.
SATA III 6Gb/s
This is the interface the SSD uses to connect to your computer. SATA III is a common standard for 2.5-inch drives, offering a theoretical maximum speed of 600MB/s. This drive's advertised speeds of 550MB/s read and 500MB/s write are near the practical limits of this interface.
550MB/s Read / 500MB/s Write
These numbers tell you how fast the drive can theoretically read and write data. For everyday tasks like booting your OS or loading applications, read speed is more important. However, for moving large files or installing big games, write speed matters. The problem here is the 'sustained' write speed, which drops significantly after a certain amount of data is written.
Alternatives
If you need consistent write performance and better long-term durability, look for 2.5-inch SATA SSDs that specify TLC (Triple-Level Cell) NAND, or consider an NVMe SSD if your motherboard has an M.2 slot and you need even faster speeds.



