Kingston A400
Score: 71/100
SanDisk Extreme
Score: 87/100Rankings
The SanDisk Extreme Portable SSD 1TB delivers high-performance NVMe speeds of up to 1,050 MB/s read and 1,000 MB/s write while offering IP65 water and dust resistance in a lightweight 52 g package. Its capacity is limited to 1 TB and it lacks the ultra-fast 2,000 MB/s class of newer models. Ideal for creators and mobile professionals needing fast, rugged portable 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 GB | 1,000 GBbest | |
500 MB/s | 1,050 MB/sbest | |
350 MB/s | 1,000 MB/sbest | |
80 TBbest | — | |
| ↓ lower better | 0.279 Wbest | — |
3 years | 5 yearsbest | |
| ↓ lower better | 0.195 Wbest | — |
| ↓ lower better | 41 gbest | 52 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 | 1000 GB |
General(1) | ||
Warranty (years) | 3 years | 5 years |
Design & Build(3) | ||
Form Factor | 2.5 inch | Portable |
Weight (g) | 41 g | 52 g |
Dimensions (L×W×H) (mm) | 7.1 x 69.9 x 100.1 mm mm | 101x52x10 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 commend the Extreme Portable SSD 1TB for its high sequential read speed, noting it delivers smoother playback when editing video files. They also appreciate its lightweight, bus-powered design and the inclusion of both USB-C and USB-A adapters, which together make it a solid choice for creators on the move.
Everyday users have limited publicly documented feedback, but the available comments emphasize appreciation for the drive's speed, portability, and cross-platform compatibility.
“the speed of this SSD mainly when reading files will provide smoother playback”
