Kingston A400 1TB vs WD Blue SA510 1TB
Specs compared
| Spec | Kingston A400 1TB | WD Blue SA510 1TB |
|---|---|---|
| Capacity | 1TB | 1TB |
| Interface | SATA III | SATA III |
| Form Factor | 2.5-inch | 2.5-inch |
| Read Speed | 500 MB/s | 560 MB/s |
| Write Speed | 450 MB/s | 520 MB/s |
| Endurance | 300 TBW | 400 TBW |
| Warranty | 3 years | 5 years |
| Value Score | 70.8 | 60.8 |
| Price / TB | $59.99/TB | $79.99/TB |
| Current Price | $54.98 | $82.58 |
Our verdict
Kingston A400 1TB clearly wins our Value Score comparison (70.8 vs 60.8), making it the better-value sata ssd at current Amazon prices. WD Blue SA510 1TB carries a longer 5-year warranty vs 3 years for the Kingston A400 1TB. It is also the cheaper option right now at $54.98 vs $82.58. Value Score is calculated daily from price, price per TB, read speed, endurance TBW, and warranty — so rankings shift as prices change. Check back to see if today's winner still leads.
Value Score combines price per TB (35%), speed (25%), endurance (20%), warranty (10%), and reviews (10%). Updated daily from Amazon.