| pcie版本 | 行代码 | 传输速率 | 吞吐量 | |||
| x1 | x4 | x8 | x16 | |||
| 1.0 | 8b/10b | 2.5GT/s | 250MB/s | 1GB/s | 2GB/s | 4GB/s |
| 2.0 | 8b/10b | 5GT/s | 500MB/s | 2GB/s | 4GB/s | 8GB/s |
| 3.0 | 128b/130b | 8GT/s | 984.6MB/s | 3.938GB/s | 7.877GB/s | 15.754GB/s |
| 4.0 | 128b/130b | 16GT/s | 1.969GB/s | 7.877GB/s | 15.754GB/s | 31.508GB/s |
| 5.0 | 128b/130b | 32GT/s or 25GT/s | 3.9GB/s or 3.08GB/s | 15.8GB/s or 12.3GB/s | 31.5GB/s or 24.6GB/s | 63GB/s or 49.2GB/s |