PCI Express Speed List
| Version | Intro- duced |
Line code | Transfer rate per lane |
Throughput | |||||
|---|---|---|---|---|---|---|---|---|---|
| ×1 | ×2 | ×4 | ×8 | ×16 | |||||
| 1.0 | 2003 | NRZ | 8b/10b | 2.5 GT/s | 0.250 GB/s | 0.500 GB/s | 1.000 GB/s | 2.000 GB/s | 4.000 GB/s |
| 2.0 | 2007 | 8b/10b | 5.0 GT/s | 0.500 GB/s | 1.000 GB/s | 2.000 GB/s | 4.000 GB/s | 8.000 GB/s | |
| 3.0 | 2010 | 128b/130b | 8.0 GT/s | 0.985 GB/s | 1.969 GB/s | 3.938 GB/s | 7.877 GB/s | 15.754 GB/s | |
| 4.0 | 2017 | 128b/130b | 16.0 GT/s | 1.969 GB/s | 3.938 GB/s | 7.877 GB/s | 15.754 GB/s | 31.508 GB/s | |
| 5.0 | 2019 | 128b/130b | 32.0 GT/s | 3.938 GB/s | 7.877 GB/s | 15.754 GB/s | 31.508 GB/s | 63.015 GB/s | |
| 6.0 | 2022 | PAM-4 FEC |
242B/256B FLIT |
64.0 GT/s 32.0 GBd |
7.563 GB/s | 15.125 GB/s | 30.250 GB/s | 60.500 GB/s | 121.000 GB/s |