AMD was the first to introduce PCIe 4.0 support into its processors, but the company seems to be in no hurry with PCIe 5.0 support. Recent data indicates that Socket AM5 Raphael processors will not receive PCIe 5.0 support.
Information is taken from a recent leak from Gigabyte. Recall that Raphael is the first generation of processors in the AM5 version and on the Zen 4 architecture. They will be released next year as part of the Ryzen 6000 or Ryzen 7000 line.
The leak indicates that such CPUs have 28 PCIe 4.0 lanes, 16 of which are dedicated to the GPU, four will be used for one M.2 slot, four more will go to the discrete USB4 controller and the remaining four are needed for the chipset.
At the same time, we recall that the upcoming Intel Alder Lake processors should receive support for PCIe 5.0, although there are still questions about its implementation.
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