
Kingston A400 480GB
Score: 54/100
Samsung T7 1TB
Score: 86/100Rankings

The Samsung T7 1TB Portable SSD delivers high-speed USB 3.2 Gen 2 performance in a sleek, lightweight aluminum case, with built-in 256-bit AES encryption and robust thermal management, making it ideal for on-the-go professionals.

The Kingston A400 480 GB SATA SSD delivers budget-friendly performance improvements over mechanical drives, offering up to 500 MB/s reads and 450 MB/s writes with low power draw. It is ideal for older desktops and laptops that need a simple, cost-effective upgrade.
| Attribute | ![]() | ![]() |
|---|---|---|
480 GB | 1,000 GBbest | |
500 MB/s | 1,050 MB/sbest | |
450 MB/s | 1,000 MB/sbest | |
160 TBWbest | — | |
3 yearsbest | 3 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 3.2 Gen 2 |
Storage(2) | ||
Capacity (GB) | 480 GB | 1000 GB |
Form Factor | 2.5-inch | credit card |
Design & Build(2) | ||
Weight (g) | 41 g | 58.95 g |
Thickness (mm) | 7 mm | 7.62 mm |


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

Professional reviewers position the A400 as a budget-friendly, value-driven SSD that revitalises older PCs. They praise its durability, low power draw and ease of installation, while noting the 2-channel controller limits peak performance and that it falls short of premium SATA or NVMe drives in speed and endurance.
Everyday users overwhelmingly appreciate the noticeable speed uplift and simple upgrade path, calling it a "no-brainer" for aging laptops. Common complaints revolve around occasional performance slowdown over time, missing mounting screws, and the drive's unsuitability for heavy-duty tasks.

Professional reviewers praise its near-rated 1 GB/s speeds, premium chassis, and effective thermal system, while noting the lack of biometric security and a shorter warranty.
Everyday users rate it 5-stars for speed, portability, and reliability, with occasional complaints about Linux encryption support and price.
“No-brainer upgrade for aging laptops.”

“Great value for a simple SSD swap.”

“Performance slowed after months of heavy use.”


