Kingston A400 240GB
Score: 47/100
SanDisk Extreme 500GB
Score: 35/100Rankings
The Kingston A400 240 GB SSD is an entry-level SATA drive that dramatically speeds up older PCs at a low price, offering solid reliability and low power use. Its lack of DRAM and modest endurance make it unsuitable for demanding workloads.
The SanDisk Extreme Portable SSD 500 GB offers near-top-tier NVMe speeds in a rugged, IP55-rated case with built-in hardware encryption, making it ideal for creators on the move. Some users note a flimsy USB-A adapter, occasional early failures, and thermal warm-up under heavy use.
| Attribute | | |
|---|---|---|
240 GB | 500 GBbest | |
500 MB/s | 1,050 MB/sbest | |
350 MB/s | 1,000 MB/sbest | |
80 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) | 350 MB/s | 1000 MB/s |
Interface | SATA III | USB 3.2 Gen 2 |
Storage(2) | ||
Capacity (GB) | 240 GB | 500 GB |
Warranty Period (years) | 3 years | 5 years |
Design & Build(2) | ||
Weight (g) | 41 g | 52 g |
Thickness (mm) | 7.0 mm | 9.6 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers position the A400 as a solid, budget-friendly SSD that revitalises older PCs with noticeable speed gains, praising its plug-and-play ease and durability, but note its lack of DRAM cache and TLC-only NAND limit sustained performance, making it unsuitable for demanding or professional workloads.
Everyday users overwhelmingly appreciate the dramatic boot-time reduction and overall responsiveness, citing easy installation and reliable day-to-day operation, while common complaints revolve around occasional drive failures after a few years, slow RMA handling, and reduced write performance under heavy loads.
Professional reviewers commend the Extreme Portable SSD for delivering near-top tier performance (1050 MB/s) in a rugged, IP55-rated package, emphasizing its suitability for 4K video editing and secure data handling. They note the absence of a metal heatsink as the main drawback, but conclude that passive cooling is adequate for typical use cases.
Everyday users love the SSD's tiny footprint, durability, and speed for photo/video backups, often highlighting the handy carabiner loop. Complaints focus on occasional early failures, a flimsy USB-A adapter, the default exFAT format, and the device warming under heavy use.
