Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
59 综合评分
vs
Western Digital WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280
Western Digital
93 综合评分
评分
Workstation
Gaming
Console
Laptop
Budget
Portable
规格
| Samsung PM991a | Western Digital WD_BLACK SN8100 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2230 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 5.0 x4 |
| 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 | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | 无数据 | |
| MTBF (hours) | 无数据 | |
| Warranty (years) | — | 3★ |
| Features | ||
| Heatsink | — | ✓★ |
| Hardware Encryption | — | ✓★ |
优缺点
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
- Strong random (84th percentile)84th %ile
- Strong social proof (77th percentile)
- Below average endurance (15th percentile)15th %ile
Western Digital WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280
- Strong feature (100th percentile)100th %ile
- Strong speed (100th percentile)100th %ile
- Strong random (99th percentile)99th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (8th percentile)8th %ile
结论
胜出: Western Digital WD_BLACK SN8100
Scores 93 overall, wins 5 of 6 usage categories and 12 of 17 specs.