| Revision | Bandwidth (per lane) | Year Introduced | | :--- | :--- | :--- | | | ~1 GB/s | 2010 | | PCIe 4.0 | ~2 GB/s | 2017 | | PCIe 5.0 | ~4 GB/s | 2019 | | PCIe 6.0 | ~8 GB/s | 2022 |