Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
58 Overall Score
vs
Kingston SSD PCIe 5.0 NVMe M.2 2280
Kingston
98 Overall Score
Scores
Laptop
Workstation
Gaming
Console
Budget
Portable
Specifications
| Samsung PM991a | Kingston SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2230 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 5.0 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | — | ✓★ |
| Controller | — | SM2508 |
| Reliability | ||
| Endurance (TBW) | No data | |
| Warranty (years) | — | 5★ |
| Features | ||
| Heatsink | — | ✗ |
Pros & Cons
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
- Strong random (84th percentile)84th %ile
- Strong social proof (78th percentile)
- Below average endurance (15th percentile)15th %ile
Kingston SSD PCIe 5.0 NVMe M.2 2280
- Strong speed (99th percentile)99th %ile
- Strong random (99th percentile)99th %ile
- Strong endurance (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (6th percentile)6th %ile
Pricing
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 22300.234score per dollar
vs
Kingston SSD PCIe 5.0 NVMe M.2 22800.086score per dollar
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230 offers 2.7x better value for money
Verdict
Winner: Kingston SSD
Scores 98 overall, wins 6 of 6 usage categories and 9 of 16 specs.
