新品
Samsung PM9A1 512GB PCIe 4.0 x4 NVMe M.2 2280
Capacity 512GB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 6,900 MB/s
NAND TLC
49 综合评分
价格 US$164
概览
优缺点
优点
- Strong speed (78th percentile) 78th
缺点
- Below average endurance (15th percentile)
- Below average social proof (18th percentile)
- Below average capacity (34th percentile)
用户评价
用户口碑如何随时间变化
独家依据客户实际撰写评价的时间--让你看到最初的好评是否持续。
用户口碑随时间保持稳定
基于 2 条带日期的客户评价，按日历季度分组。分期分析为英文。
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 2280 |
| 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 | Crucial T710 | Western Digital WD_BLACK SN7100 | MSI SPATIUM M480 PRO | XPG GAMMIX S70 Blade AGAMMIXS70B-2T-CS | Corsair MP700 Elite CSSD-F1000GBMP700ENH |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 2TB | 2TB | 1TB | 2TB | 1TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | 6,900 MB/s | 14,900 MB/s | 7,250 MB/s | 7,400 MB/s | 7,400 MB/s | 10,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | false | true | true | false |
| Endurance | - | 1200 TBW | 1200 TBW | 3000 TBW | 1480 TBW | 600 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | Speed | Random | Feature | Capacity | Endurance | 用户口碑 |
|---|---|---|---|---|---|---|
| Samsung PM9A1 | 78.4 | 61.3 | 53.3 | 34.2 | 14.5 | 18.3 |
| Crucial T710 Compare | 99.3 | 98.9 | 97.3 | 78.3 | 82.7 | 77.4 |
| Western Digital WD_BLACK SN7100 Compare | 91.4 | 95.9 | 53.3 | 78.3 | 87.9 | 99.6 |
| MSI SPATIUM M480 PRO Compare | 93.8 | 80.7 | 93.5 | 54.9 | 98.7 | 95.2 |
| XPG GAMMIX S70 Blade AGAMMIXS70B-2T-CS Compare | 92.5 | 90.1 | 93.5 | 78.3 | 77.3 | 77.4 |
| Corsair MP700 Elite CSSD-F1000GBMP700ENH Compare | 94.9 | 96.6 | 85.6 | 54.9 | 87.2 | 95.2 |
价格
性价比分析
最低 US$164
Amazon 1 个报价 最低 US$164
Price History
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。
