新品
Samsung PM991
Capacity 256GB
Form Factor M.2 2242
Interface PCIe 3.0 x4
38 综合评分
暂无零售商最新价格
概览
优缺点
优点
- Strong social proof (80th percentile) 80th
缺点
- Below average endurance (14th percentile)
- Below average feature (14th percentile)
- Below average capacity (17th percentile)
实测数据
性能表现
规格参数
完整规格参数
Drive
| Capacity | 256 |
| Form Factor | M.2 2242 |
| Interface | PCIe 3.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 3 |
| External | No |
竞品对比
| Spec | Samsung PM991 | Western Digital WD_BLACK SN850X | Crucial T710 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R | SanDisk Western Digital WDS400T1X0M |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 4TB | 4TB | 2TB | 4TB | 4TB |
| Form Factor | M.2 2242 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | - | 7,300 MB/s | 14,500 MB/s | 7,300 MB/s | 7,400 MB/s | 14,900 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | false | true | false | true |
| Endurance | - | 2400 TBW | 2400 TBW | 2000 TBW | 5050 TBW | 2400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | Speed | Random | Feature | Capacity | Endurance | 用户口碑 |
|---|---|---|---|---|---|---|
| Samsung PM991 | 50.5 | 60.6 | 14.3 | 17.1 | 14.3 | 79.7 |
| Western Digital WD_BLACK SN850X Compare | 88 | 94.8 | 93.8 | 92.8 | 81 | 95.6 |
| Crucial T710 Compare | 98.7 | 98.7 | 85.6 | 92.8 | 86 | 79.7 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.7 | 93.4 | 93.8 | 78.4 | 94 | 95.6 |
| Seagate FireCuda 530R Compare | 92.2 | 96.2 | 53.3 | 92.8 | 95.6 | 88.5 |
| SanDisk Western Digital WDS400T1X0M Compare | 97.4 | 99 | 97.4 | 92.8 | 81 | 0 |
使用场景评分
完整评测即将发布。上方的规格、评分、价格和图表始终保持最新。
