新品
Samsung PM9A1
Capacity 512GB
Form Factor M.2
Interface PCIe 4.0 x4
Read Speed 6,900 MB/s
NAND TLC
50 综合评分
暂无零售商最新价格
概览
优缺点
优点
- Strong speed (78th percentile) 78th
缺点
- Below average endurance (14th percentile)
- Below average capacity (34th percentile)
实测数据
性能表现
规格参数
完整规格参数
Drive
| Capacity | 512 |
| Form Factor | M.2 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 6900 |
| Sequential Write (MB/s) | 4900 |
Hardware
| NAND | TLC |
竞品对比
| Spec | Samsung PM9A1 | Western Digital WD Black SN850X | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R | SanDisk Western Digital WDS400T1X0M |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 4TB | 2TB | 2TB | 4TB | 4TB |
| Form Factor | M.2 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | 6,900 MB/s | 7,300 MB/s | 7,400 MB/s | 7,300 MB/s | 7,400 MB/s | 14,900 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | false | true |
| Endurance | - | 2400 TBW | 1200 TBW | 2000 TBW | 5050 TBW | 2400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | Speed | Random | Feature | Capacity | Endurance | 用户口碑 |
|---|---|---|---|---|---|---|
| Samsung PM9A1 | 78.1 | 61 | 52.9 | 33.9 | 14.4 | 37.4 |
| Western Digital WD Black SN850X Compare | 88.2 | 95 | 93.8 | 92.6 | 80.9 | 95.6 |
| Crucial T500 Compare | 93.8 | 96.4 | 99 | 78.2 | 82.9 | 95.6 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 93.7 | 93.8 | 78.2 | 93.8 | 95.6 |
| Seagate FireCuda 530R Compare | 92.5 | 96.3 | 52.9 | 92.6 | 95.4 | 88.5 |
| SanDisk Western Digital WDS400T1X0M Compare | 97.5 | 99.1 | 97.5 | 92.6 | 80.9 | 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。
