Kingston A400
Score: 71/100
Crucial MX500 500GB
Score: 79/100Rankings
The Crucial MX500 500 GB is a 2.5-inch SATA SSD that delivers near-maximum SATA-III speeds, includes a 256 MB DRAM cache and AES-256 hardware encryption, and offers 180 TBW endurance with a 5-year warranty. Its drawbacks are the inherent speed ceiling of SATA and occasional write-performance throttling under heavy mixed loads. It is best suited for budget-conscious desktop or notebook upgrades seeking reliable, secure 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 | 500 GBbest | |
500 MB/s | 560 MB/sbest | |
350 MB/s | 510 MB/sbest | |
— | 95,000 IOPSbest | |
— | 90,000 IOPSbest | |
80 TB | 180 TBbest | |
— | 1,800,000 hoursbest | |
— | 256 MBbest |
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 | 560 MB/s |
Sequential Write Speed (MB/s) | 350 MB/s | 510 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 240 GB | 500 GB |
General(1) | ||
Warranty (years) | 3 years | 5 years |
Reliability(2) | ||
Total Bytes Written (Endurance) (TB) | 80 TB | 180 TB |
Mean Time Between Failures (hours) | 1000000-2000000 hours | 1800000 hours |
Design & Build(3) | ||
Form Factor | 2.5 inch | 2.5-inch |
Weight (g) | 41 g | 39 g |
Dimensions (L×W×H) (mm) | 7.1 x 69.9 x 100.1 mm mm | 70×7.1×103 mm 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 consider the MX500 an ideal HDD replacement, praising its efficient SM2258 controller, strong sequential and random performance, and robust security features. However, they note that its mixed-workload write speeds and 4K random read numbers fall short of some competitors, and the SATA interface limits its appeal for high-performance scenarios.
Everyday users overwhelmingly praise the MX500 for its noticeable boost in boot speed, system responsiveness, and ease of installation, especially valuing the included cloning software.
