Samsung 990 EVO 2TB PCIe 4.0 x4 NVMe M.2 2280
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
买家怎么说
Samsung 990 EVO 2TB PCIe 4.0 x4 NVMe M.2 2280
用户普遍对这款三星SSD非常满意,称赞其快速的读写速度、简单的安装以及适合预算配置的性价比。一些人指出,像990 EVO PLUS这样带DRAM的替代品价格相近,可能是更好的选择,还有少数人提到需要额外螺丝或固件更新等小麻烦。总体而言,它被视为游戏和存储扩展的可靠之选。
优点
- 读写速度快
- 安装简单
- 性价比高
- 三星品质可靠
- 适合游戏存储
缺点
- 无DRAM设计
- 需要固件更新
- 需要额外螺丝
- 散热器安装棘手
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
该驱动器总体评价良好,尤其是在ThinkPad和Dell等笔记本电脑的WWAN插槽以及Raspberry Pi设置中使用。用户称赞其兼容性、价格和日常使用的足够性能。然而,一条经过验证的评论报告了大约两年后出现故障,尽管卖家响应迅速的客户服务缓解了问题。总体情绪积极,但存在可靠性担忧。
优点
- 在WWAN插槽中工作
- 价格好
- 日常使用速度足够
- 与Raspberry Pi兼容
- 安装简单
缺点
- 两年后故障
- 不是最快的
- 无DRAM设计
- 限于PCIe 2x
评分
规格
| Samsung 990 EVO | KingSpec 256GB SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2242 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x2 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✗ |
| Controller | Samsung in-house Controller | — |
| Reliability | ||
| Endurance (TBW) | 无数据 | |
| MTBF (hours) | 无数据 | |
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✗ | ✗ |
| Hardware Encryption | ✓★ | — |
优缺点
Samsung 990 EVO 2TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (90th percentile)90th %ile
- Strong endurance (83rd percentile)83rd %ile
- Strong feature (79th percentile)
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
- Strong affordability (89th percentile)89th %ile
- Strong social proof (77th percentile)
- Below average capacity (17th percentile)17th %ile
结论
Scores 87 overall, wins 6 of 6 usage categories and 9 of 18 specs.