Samsung PM9A3 1.9TB PCIe 4.0 x4 NVMe M.2
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
评分
规格
| Samsung PM9A3 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | 无数据 | |
| Sequential Write (MB/s) | 无数据 | |
| Random Read (IOPS) | 无数据 | |
| Random Write (IOPS) | 无数据 | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | 无数据 | |
| MTBF (hours) | 无数据 | |
| Warranty (years) | — | 3★ |
| Features | ||
| Heatsink | — | ✓★ |
优缺点
Samsung PM9A3 1.9TB PCIe 4.0 x4 NVMe M.2
- Strong capacity (68th percentile)
- Strong speed (68th percentile)
- Below average affordability (4th percentile)4th %ile
- Below average endurance (15th percentile)15th %ile
- Below average social proof (23rd percentile)
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
结论
Scores 94 overall, wins 6 of 6 usage categories and 10 of 16 specs.