PCIe 3.0 4.0 5.0采用128b/130b编码
速度如下表格
标准 |
编码 |
总线频率 |
单lane峰值带宽 |
带宽(x1) |
PCIe 3.0 |
128b/130b |
4Ghz |
8 GT/s |
1000 MB/s |
PCIe 4.0 |
128b/130b |
8Ghz |
16 GT/s |
2000 MB/s |
标准 x lane |
时钟 |
带宽(x 1) |
带宽(x lane) |
PCIe 3.0 x1 |
8 GHz |
1GB/s |
1000 MB/s |
PCIe 3.0 x4 |
8 GHz |
1GB/s |
4000 MB/s |
PCIe 3.0 x8 |
8 GHz |
1GB/s |
8000 MB/s |
PCIe 3.0 x16 |
8 GHz |
1GB/s |
16000 MB/s |
PCIe 4.0 x1 |
16 GHz |
2GB/s |
2000 MB/s |
PCIe 4.0 x4 |
16 GHz |
2GB/s |
8000 MB/s |
PCIe 4.0 x8 |
16 GHz |
2GB/s |
16000 MB/s |
PCIe 4.0 x16 |
16 GHz |
2GB/s |
32000 MB/s |
标准 x lane |
时钟 |
带宽(x lane) |
PCIe 3.0 x1 |
8 GHz |
1000 MB/s |
PCIe 3.0 x4 |
8 GHz |
4000 MB/s |
PCIe 3.0 x8 |
8 GHz |
8000 MB/s |
PCIe 3.0 x16 |
8 GHz |
16000 MB/s |
PCIe 4.0 x1 |
16 GHz |
2000 MB/s |
PCIe 4.0 x4 |
16 GHz |
8000 MB/s |
PCIe 4.0 x8 |
16 GHz |
16000 MB/s |
PCIe 4.0 x16 |
16 GHz |
32000 MB/s |