Kingston A400 240GB
Score: 47/100
Crucial BX500 240GB
Score: 70/100Rankings
The Crucial BX500 240 GB is a budget-focused SATA SSD that delivers a noticeable speed boost over traditional hard drives while keeping power consumption low, but its DRAM-less design and lack of encryption limit its suitability for heavy workloads.
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 GBbest | 240 GBbest | |
500 MB/s | 540 MB/sbest | |
350 MB/s | 500 MB/sbest | |
80 TBWbest | 80 TBWbest | |
3 yearsbest | 3 yearsbest | |
| ↓ lower better | 0.279 W | 0.06 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(3) | ||
Form Factor | 2.5 inch | 2.5" |
NAND Type | 3D TLC NAND | TLC |
MTBF (hours) | 1000000 hours | 1500000 hours |
Power & Energy(1) | ||
Active Power Consumption (W) | 0.279 W | 0.06 W |
Design & Build(2) | ||
Weight (g) | 41 g | 60 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 view the BX500 as a solid, low-cost SATA SSD that meets basic performance expectations but falls short of Crucial's own MX500 in endurance, security, and warranty. The DRAM-less design keeps price down but limits sustained performance.
Everyday users praise the immediate speed uplift, quiet operation, and low power draw, especially when upgrading legacy machines, while complaints focus on setup quirks and desire for a longer warranty or accessories.
“dramatic improvements in system responsiveness after replacing HDDs”
Choose the BX500 if you need better write performance and endurance without a big price jump; stick with the A400 for the lowest cost and proven reliability.
