
Kingston A400 960GB
Score: 62/100
SanDisk Extreme Portable SSD 1TB
Score: 84/100Rankings

The SanDisk Extreme Portable SSD delivers near-internal SSD speeds in a rugged, lightweight package with strong encryption and a generous warranty, making it ideal for mobile creators.

The Kingston A400 960 GB SSD provides entry-level SATA performance with 500 MB/s reads and 450 MB/s writes, making it a solid, budget-friendly upgrade for users moving from HDDs.
| Attribute | ![]() | ![]() |
|---|---|---|
960 GB | 1,000 GBbest | |
500 MB/s | 1,050 MB/sbest | |
450 MB/s | 1,000 MB/sbest | |
300 TBWbest | — | |
3 years | 5 yearsbest | |
| ↓ lower better | 0.279 Wbest | — |
| ↓ lower better | 0.195 Wbest | — |
1,000,000 hoursbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Sequential Read Speed (MB/s) | 500 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 450 MB/s | 1000 MB/s |
Interface | SATA III | USB-C 3.2 Gen 2 |
Storage(3) | ||
Capacity (GB) | 960 GB | 1000 GB |
Form Factor | 2.5-inch | Portable |
Warranty Period (years) | 3 years | 5 years |
Design & Build(2) | ||
Weight (g) | 40.82 g | 49.9 g |
Thickness (mm) | 7.11 mm | 9.7 mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers view the Kingston A400 as a solid, budget-friendly upgrade that revives older systems with noticeable speed gains. They commend its reliability, shock resistance, and value, while noting the trade-off of a missing DRAM cache and its positioning away from high-performance or enterprise use cases.
Everyday users overwhelmingly praise the SSD for its fast boot and load times, excellent price-to-performance ratio, and the confidence that comes with the Kingston brand. The most common complaints revolve around occasional customer service delays and the need to buy extra accessories such as SATA cables.

“Fast boot, fast games”

“Great value for the price”

“Customer Support Delays: 3-week RMA wait time with minimal communication”




TechRadar, PCMag and other reviewers praise its speed, IP65 rating and durability, noting the carabiner loop and 5-year warranty as standout features.
Average rating around 4.5/5; users love the fast transfers and ruggedness but complain about occasional firmware issues and a temperamental adapter.