KingSpec 1TB 2.5 SSD SATA III Internal
- Internal Solid State Drive
- 1 TB
- 1
- 1
A straightforward budget SATA III upgrade that will feel dramatically faster than any hard drive, at the ceiling SATA itself imposes.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
Sizes Available
Need a different one? Pick on Amazon →
How it ranks among the 19 internal solid state drives we track
4.5★ across 2,600 Amazon ratings, Bayesian-smoothed toward the category average.
2,600 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 19 internal solid state drives we track - how the scorecard works · full internal solid state drives data report. Confidence: high - strong rating volume and complete data.Updated 6 days ago. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
KingSpec's USP3-1TB swaps a hard drive's spinning platters for 3D NAND flash in a standard 2.5 inch SATA III form factor, rated for 550 MB/s reads and 520 MB/s writes. It suits anyone replacing an aging hard drive or an older SATA SSD in a laptop or desktop.
This is a SATA III drive, not NVMe, so its real ceiling is the interface itself, near 550 MB/s, no matter how good the NAND inside is. The spec sheet doesn't mention a DRAM cache, and there are no reviews yet on this listing to confirm real-world reliability, so treat the numbers as manufacturer claims for now.
- 2.5 inch SATA III (6Gb/s), backward compatible with SATA II
- 3D NAND flash with TRIM, S.M.A.R.T, and garbage collection support
- Works with Windows 7 through 10/11, DOS, Linux, and Unix
- 3-year limited warranty with lifetime technical support claimed by the seller
Who it's for
Fits anyone upgrading a hard drive or a first-generation SATA SSD in a laptop or desktop who wants a faster, shock-resistant drive without paying for NVMe speeds they can't use. Not a fit for anyone with a free M.2 NVMe slot, since that interface clears SATA's ceiling entirely.
Strengths and trade-offs
Drawn from this product's published specifications.
- Sequential speeds up to 550/520 MB/s, well above a hard drive
- 1TB fits a full OS plus games or working files
- No moving parts, so no drop or vibration risk
- 3-year warranty per the manufacturer's spec sheet
- SATA III interface, not NVMe, so there's a real speed ceiling
- No reviews yet on this listing to confirm real-world reliability
- DRAM cache presence isn't stated anywhere in the spec sheet
Performance notes
SATA III caps throughput near 550/520 MB/s regardless of the NAND used, so this drive will boot and load programs far faster than a spinning disk but won't approach NVMe territory. The 3D NAND stacks memory cells vertically for density, and the spec sheet lists TRIM, wear leveling, over-provisioning, and S.M.A.R.T support to manage endurance over the drive's life. No moving parts also means the shock and vibration resistance the listing claims.
Specifications
| Brand | KingSpec |
|---|---|
| Model | USP3-1TB |
| Dimensions & fit | |
| Item Weight | 1.2 ounces |
| Cache Memory Installed Size | 1 TB |
| HardDrive Size | 1 TB |
| Capacity & performance | |
| Digital Storage Capacity | 1 TB |
| Media Speed | 560 megabits_per_second |
| Read Speed | 570 megabytes_per_second |
| Construction & materials | |
| Enclosure Material | Metal |
| Color | multi |
| Compatibility & installation | |
| Compatible Devices | Desktop, Gaming Console, Laptop |
| Connectivity Technology | SATA |
| Compatible Video Game Console Models | Sony PlayStation 4 |
| Hard Disk Interface | Serial ATA-600 |
| Hardware Connectivity | Solid State Drive |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 3 years |
| Other details | |
| Number of Items | 1 |
| Additional Features | Durable, Shock Resistant |
| BuiltIn Media | Internal SSD |
| Specific Uses For Product | Business, Gaming, Multimedia |
| Mfr Part Number | 在庫がありません |
| Data Transfer Rate | 6 gigabits_per_second |
| Hard Disk Form Factor | 2.5 inches |
| Form Factor | 2.5-inch |
| Hard Disk Description | Solid State Drive |
Other KingSpec internal solid state drives
How it compares
This product against the closest alternatives we track in internal solid state drives.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| KingSpec 1TB 2.5 SSD SATA III InternalThis product | 4.5 / 5 | 2,600 | 4.4 / 5 |
| Kingston NV3 1TB M.2 2280 NVMe SSDKingston | 4.7 / 5 | 13,800 | 4.8 / 5 |
| WD_Black SN7100 1TB NVMe SSDWD_Black | 4.8 / 5 | 6,400 | 4.8 / 5 |
| Samsung SSD 870 EVO SATA III 2.5” 1TBSamsung | 4.8 / 5 | 45,500 | 4.7 / 5 |
| Crucial P310 1TB SSDCrucial | 4.7 / 5 | 11,000 | 4.7 / 5 |
Similar internal solid state drives from other brands
Questions about the KingSpec USP3-1TB
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is the KingSpec USP3-1TB an NVMe drive?
No, it's a 2.5 inch SATA III SSD, so its ceiling is set by the SATA interface at around 550 MB/s, not by an M.2 slot's higher bandwidth.
Will this fit a laptop that currently has a hard drive?
Yes, it's built to the standard 2.5 inch SATA form factor, the same size and connector as the hard drive or SATA SSD it would replace.
How long is the warranty?
KingSpec lists a 3-year limited warranty with ongoing technical support, according to the manufacturer's spec sheet.