Kingston A400
Score: 71/100
Western Digital WD Green
Score: 63/100Rankings
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.
The WD Green 1TB SATA SSD offers up to 545 MB/s sequential reads with ultra-low power consumption, making it a cost-effective choice for laptops and secondary storage. Its DRAM-less architecture and modest 400 TBW endurance limit performance for demanding tasks, and it's less suited as a primary boot drive. Best for budget-conscious users needing basic storage and long battery life.
| Attribute | | |
|---|---|---|
240 GB | 1,000 GBbest | |
500 MB/s | 545 MB/sbest | |
350 MB/s | 525 MB/sbest | |
80 TB | 400 TBbest | |
— | 1,000,000 hoursbest | |
— | 0 MBbest | |
| ↓ lower better | 0.279 W | 0.08 Wbest |
3 yearsbest | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Interface | SATA III | SATA III 6Gb/s |
Performance(2) | ||
Sequential Read Speed (MB/s) | 500 MB/s | 545 MB/s |
Sequential Write Speed (MB/s) | 350 MB/s | 525 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 240 GB | 1000 GB |
Reliability(2) | ||
Total Bytes Written (Endurance) (TB) | 80 TB | 400 TB |
Mean Time Between Failures (hours) | 1000000-2000000 hours | 1000000 hours |
Power & Reliability(2) | ||
Active Power Consumption (W) | 0.279 W | 0.08 W |
Idle Power Consumption (W) | 0.195 W | 0.03 W |
Design & Build(3) | ||
Form Factor | 2.5 inch | 2.5" 7mm |
Weight (g) | 41 g | 32.6586 g |
Dimensions (L×W×H) (mm) | 7.1 x 69.9 x 100.1 mm mm | 100.6x69.9x7.1 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 position the WD Green 1TB as a budget-oriented SATA SSD that excels in power efficiency and price, but its DRAM-less design and modest endurance make it unsuitable for high-performance or write-heavy scenarios.
General users praise the drive for its rapid game loading, smooth everyday performance, and easy installation, seeing it as a solid value for a 2 TB capacity. Recurring concerns revolve around thermal throttling without a heatsink and occasional slowdowns during long write operations, especially for those expecting flagship-level consistency.
