新品
Lexar NM790 512GB PCIe 4.0 x4 NVMe M.2 2280
Capacity 512GB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,200 MB/s
NAND TLC
Endurance 500 TBW
60 综合评分
暂无零售商最新价格
概览
优缺点
优点
- Strong random (92nd percentile) 92nd
- Strong endurance (84th percentile) 84th
- Strong speed (79th percentile) 79th
缺点
- Below average affordability (0th percentile)
- Below average capacity (35th 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 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7200 |
| Sequential Write (MB/s) | 4400 |
| Random Read (IOPS) | 800000 |
| Random Write (IOPS) | 800000 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 500 |
| MTBF (hours) | 1500000 |
竞品对比
| Spec | Lexar NM790 | SanDisk Black SN850X WDBB9G0040BNC-WRSN | Samsung 9100 PRO | Kingston FURY Renegade G5 SFYR2S/4T0 | Micron T710 CT4000T710SSD5 | Crucial T700 CT2000T700SSD5 |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 4TB | 4TB | 4TB | 4TB | 2TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 5.0 | PCIe 5.0 |
| Seq Read | 7,200 MB/s | 7,300 MB/s | 14,800 MB/s | 14,800 MB/s | 14,500 MB/s | 12,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | false | true |
| Endurance | 500 TBW | 2400 TBW | 2400 TBW | 4000 TBW | 2400 TBW | 1200 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | Speed | Random | Feature | Capacity | Endurance | Affordability |
|---|---|---|---|---|---|---|
| Lexar NM790 | 79.2 | 91.6 | 53.7 | 34.8 | 84.4 | 0 |
| SanDisk Black SN850X WDBB9G0040BNC-WRSN Compare | 89 | 95.6 | 89.4 | 92.6 | 88.1 | 10.4 |
| Samsung 9100 PRO Compare | 99.2 | 99.8 | 99.7 | 92.6 | 86 | 5.1 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.5 | 99 | 90.9 | 92.6 | 93.6 | 6.3 |
| Micron T710 CT4000T710SSD5 Compare | 99.1 | 99.2 | 89.4 | 92.6 | 86 | 11.2 |
| Crucial T700 CT2000T700SSD5 Compare | 96.6 | 97.6 | 97.5 | 78.5 | 83 | 23.8 |
使用场景评分
- 总体60.3
- Budget36.7
- 游戏48.3
- Laptop57.2
- Console45.2
- Portable13.4
- Workstation58.4
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。
