Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
58 综合评分
vs
Kingston SSD PCIe 5.0 NVMe M.2 2280
Kingston
98 综合评分
评分
Laptop
Workstation
Gaming
Console
Budget
Portable
规格
| 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) | 无数据 | |
| Warranty (years) | — | 5★ |
| Features | ||
| Heatsink | — | ✗ |
优缺点
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
结论
胜出: Kingston SSD
Scores 98 overall, wins 6 of 6 usage categories and 9 of 16 specs.