Kingston A400 240GB
Score: 47/100
Crucial BX500 1TB
Score: 75/100Rankings
The Crucial BX500 1TB is a budget-oriented SATA SSD that delivers solid sequential performance and high capacity for everyday computing, but it lacks DRAM cache and hardware encryption.
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.
| Attribute | | |
|---|---|---|
240 GB | 1,000 GBbest | |
500 MB/s | 540 MB/sbest | |
350 MB/s | 500 MB/sbest | |
80 TBW | 360 TBWbest | |
3 yearsbest | 3 yearsbest | |
| ↓ lower better | 0.279 Wbest | — |
| ↓ lower better | 0.195 Wbest | — |
1,000,000 hours | 1,500,000 hoursbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Sequential Read Speed (MB/s) | 500 MB/s | 540 MB/s |
Sequential Write Speed (MB/s) | 350 MB/s | 500 MB/s |
Storage(5) | ||
Capacity (GB) | 240 GB | 1000 GB |
Form Factor | 2.5 inch | 2.5" |
NAND Type | 3D TLC NAND | TLC |
Endurance (TBW) (TBW) | 80 TBW | 360 TBW |
MTBF (hours) | 1000000 hours | 1500000 hours |
Design & Build(2) | ||
Weight (g) | 41 g | 54.4 g |
Thickness (mm) | 7.0 mm | 7 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 acknowledge the BX500 as a solid entry-level SSD that delivers the expected SATA performance at a low price. PCMag notes that while it performs well in benchmarks, the lack of DRAM cache and shorter warranty make the MX500 a better overall value. Gagadget praises its affordability and real-world speed but warns against heavy write workloads due to the SLC cache limitation.
Everyday users appreciate the noticeable speed boost over mechanical drives, the ease of installation, and the included cloning tools, while complaints focus on the sharp write-speed drop after the cache fills and the absence of mounting hardware.
“quite difficult to find the same volume and speed for the same money.”
“significant performance improvements over HDDs, especially in boot times and application loading.”
“Slow write speeds during large file transfers after the initial cache is filled.”
