Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242
Samsung
38 综合评分
vs
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
Western Digital
96 综合评分
买家怎么说
Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242
暂无用户反馈
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
95 满分 100 置信度低 9 条评价
所有七条经过验证的评论都极为正面，称赞WD_BLACK SN8100是最快的Gen5 NVMe SSD，没有任何问题。用户强调其持续速度、在PCIe 5.0主板上的强劲性能以及购买时的良好价格。一位评论者指出它在缓存性能上胜过其他驱动器，问答部分确认了M.2 2280外形规格和高达14,900 MB/s的读取速度。
优点
- 最快的Gen5 NVMe SSD
- 没有任何问题
- 在PCIe 5.0上超快
- 持续速度强劲
- 购买时价格良好
缺点
- 昂贵（从"如果你买得起"暗示）
Performance speed 7
Reliability 2
Value for money 2
Cache performance 1
Compatibility pcie5 1
Price affordability 1
评分
Budget
Gaming
Workstation
Console
Laptop
Portable
规格
| Samsung PM991 | Western Digital WD_BLACK SN8100 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2242 | 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) | 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★ |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | 无数据 | |
| MTBF (hours) | 无数据 | |
| Warranty (years) | — | 3★ |
| Features | ||
| Heatsink | — | ✓★ |
| Hardware Encryption | — | ✓★ |
优缺点
Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242
- Strong affordability (86th percentile)86th %ile
- Strong social proof (77th percentile)
- Below average endurance (15th percentile)15th %ile
- Below average feature (15th percentile)15th %ile
- Below average capacity (18th percentile)18th %ile
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
- Strong feature (100th percentile)100th %ile
- Strong user sentiment (100th percentile)100th %ile
- Strong random (99th percentile)99th %ile
- Strong speed (98th percentile)98th %ile
价格
Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242
No current pricing available
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
结论
胜出: Western Digital WD_BLACK SN8100
Scores 96 overall, wins 6 of 6 usage categories and 13 of 17 specs.
