感謝 後來在英文版的WIKI找到了

PCIe 1.0/1.1 PCIe 2.0/2.1 PCIe 3.0 PCIe 4.0

Taktrate 1,25 GHz 2,5 GHz 4,0 GHz ?,? GHz
Transfers/s 2,5 GT/s 5,0 GT/s 8,0 GT/s 16,0 GT/s [2]
Kodierung 8b10b 8b10b 128b130b ?
Lanes (Breite)
x1 250 MB/s 500 MB/s 985 MB/s ? MB/s
x2 500 MB/s 1000 MB/s 1969 MB/s ? MB/s
x4 1000 MB/s 2000 MB/s 3938 MB/s ? MB/s
x8 2000 MB/s 4000 MB/s 7877 MB/s ? MB/s
x16 4000 MB/s 8000 MB/s 15754 MB/s ? MB/s
x32 8000 MB/s 16000 MB/s 31508 MB/s ? MB/s