Samsung 990 Pro 4TB PCIe 4.0 x4 NVMe M.2 2280
Samsung PM9A3 3.84TB PCIe 4.0 x4 NVMe U.2
Scores
Specifications
| Samsung 990 Pro | Samsung PM9A3 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | U.2 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | No data | |
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC★ | — |
| DRAM Cache | ✓★ | — |
| Controller | Samsung in-house controller | — |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | — |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✓★ | — |
Pros & Cons
Samsung 990 Pro 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (100th percentile)100th %ile
- Strong random (98th percentile)98th %ile
- Strong feature (94th percentile)94th %ile
- Strong speed (93rd percentile)93rd %ile
- Below average affordability (7th percentile)7th %ile
Samsung PM9A3 3.84TB PCIe 4.0 x4 NVMe U.2
- Strong capacity (88th percentile)88th %ile
- Strong speed (67th percentile)
- Below average affordability (3rd percentile)3rd %ile
- Below average feature (15th percentile)15th %ile
- Below average endurance (15th percentile)15th %ile
Pricing
Verdict
Scores 98 overall, wins 6 of 6 usage categories and 11 of 18 specs.