Considering the final PCIe 4.0 spec was released in June 2017 that seems improbable. https://en.wikipedia.org/wiki/PCI_Express https://en.wikipedia.org/wiki/PC

Considering the final PCIe 4.0 spec was released in June 2017 that seems improbable. https://en.wikipedia.org/wiki/PCI_Express https://en.wikipedia.org/wiki/PCI_Express AMD didn't even support PCIe 4.0 until 2019 with Zen 2, Intel in 2020 with tiger lake.