PCIe 3.0 4.0 5.0採用128b/130b編碼
速度如下表格
標準 |
編碼 |
總線頻率 |
單lane峯值帶寬 |
帶寬(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 |
標準 x lane |
時鐘 |
帶寬(x 1) |
帶寬(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 |
標準 x lane |
時鐘 |
帶寬(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 |