SATA II (3 Gbps)
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最大速度
3.00 Gbps
最大分辨率
—
供电功率
—
发布时间
2004
将SATA带宽翻倍至3 Gbps (300 MB/s)。增加了原生命令队列(NCQ)以改善随机I/O性能。对机械硬盘足够，但会成为SSD的瓶颈。
Bandwidth
3 Gbps
性能
数据
✓
视频
✗
音频
✗
功率
✗
Ethernet
✗
未来兼容分析
即使对基础的SATA SSD也构成瓶颈。目前仅适用于机械硬盘。
兼容接口
速度测试
| 场景 | 文件大小 | 理论值 | 实际值 |
|---|---|---|---|
| Transfer a 1GB file | 1.00 GB | 2.7s | 3.2s |
| Transfer a 2GB photo album | 2.00 GB | 5.3s | 6.4s |
| Transfer a 10GB movie | 10.00 GB | 26.7s | 32.0s |
| Transfer a 25GB game install | 25.00 GB | 66.7s | 80.0s |
| Transfer a 50GB backup | 50.00 GB | 133.3s | 160.0s |
| Transfer a 100GB project | 100.00 GB | 266.7s | 320.0s |
| Transfer a 250GB backup archive | 250.00 GB | 666.7s | 800.0s |
| Transfer a 500GB drive clone | 500.00 GB | 1333.3s | 1600.0s |
| Transfer a 1TB drive image | 1000.00 GB | 2666.7s | 3200.0s |