394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
394HB
82 综合评分
vs
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
58 综合评分
评分
Laptop
Gaming
Console
Workstation
Budget
Portable
规格
| 394HB 4TB SSD | Samsung PM991a | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | M.2 2230 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | — |
| Controller | E18 | — |
| Reliability | ||
| Endurance (TBW) | 50★ | — |
| MTBF (hours) | 无数据 | |
| Warranty (years) | 5★ | — |
| Features | ||
| Heatsink | ✗ | — |
优缺点
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
- Strong random (97th percentile)97th %ile
- Strong speed (93rd percentile)93rd %ile
- Strong capacity (93rd percentile)93rd %ile
- Strong social proof (78th percentile)
- Below average affordability (7th percentile)7th %ile
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
价格
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
No current pricing available
结论
胜出: 394HB 4TB SSD
Scores 82 overall, wins 5 of 6 usage categories and 9 of 17 specs.
