
Kingston A400
Score: 71/100
Samsung T7 1TB
Score: 82/100Rankings

The Samsung T7 1TB Portable SSD offers blazing USB 3.2 Gen 2 speeds and strong hardware encryption in a lightweight aluminum case. Performance drops on older ports and it lacks biometric security. Ideal for mobile professionals needing fast, secure on-the-go storage.

The Kingston A400 240 GB SSD is a budget-friendly 2.5-inch SATA drive offering up to 500 MB/s read speed and very low power draw. Its write speed caps at 350 MB/s and endurance is limited to 80 TB TBW. Ideal for users upgrading older laptops or desktops who need a cost-effective OS drive.
| Attribute | ![]() | ![]() |
|---|---|---|
240 GBbest | 1 GB | |
500 MB/s | 1,050 MB/sbest | |
350 MB/s | 1,000 MB/sbest | |
80 TBbest | — | |
| ↓ lower better | 0.279 Wbest | — |
3 yearsbest | 3 yearsbest | |
| ↓ lower better | 0.195 Wbest | — |
| ↓ lower better | 41 gbest | 58 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Interface | SATA III | USB 3.2 Gen 2 |
Performance(2) | ||
Sequential Read Speed (MB/s) | 500 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 350 MB/s | 1000 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 240 GB | 1 GB |
Reliability(1) | ||
Operating Temperature (°C) | 0-70 °C | 0-60 °C |
Design & Build(3) | ||
Form Factor | 2.5 inch | Portable |
Weight (g) | 41 g | 58 g |
Dimensions (L×W×H) (mm) | 7.1 x 69.9 x 100.1 mm mm | 85x57x8 mm |


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

Professional reviewers and editors praise the Kingston A400 240GB for its impressive speed uplift over mechanical drives, rugged build quality, and excellent value at a low price. However, they caution that its write speed ceiling, modest 80 TB TBW endurance, and inconsistent MTBF figures make it less suitable for heavy-write or enterprise scenarios.
Everyday users overwhelmingly appreciate the noticeable boost in boot times, quieter operation, and straightforward installation, often describing the drive as feeling truly ten times faster than their old HDDs.

Professional reviewers consistently commend the T7 for its sleek metal chassis, exceptional read/write speeds, robust AES-256 encryption, and effective thermal management that prevents throttling. They also note that the drive's performance hinges on using a USB 3.2 Gen 2 connection and point out minor issues such as inconsistent weight reporting and the lack of fingerprint security found on the T7 Touch variant.
Everyday users praise the SSD's rapid 4K video and game file transfers, its pocket-friendly size, and reliable cross-platform operation. Recurring themes include occasional heat under sustained loads, concerns about cable durability, and speed reductions when paired with older USB ports, while most buyers are satisfied with the overall value and build quality.
