AMD Reveals the X570 Chipset: PCIe 4.0 is Here
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AMD has decided to block PCIe 4.0 support on all pre-X570 motherboards | PC Gamer
Gigabyte X570 Gaming X Amd Ryzen 3000 Pcie 4.0 Sata 6Gb/S – TeciSoft
PCIe 4.0: Everything you need to know, from specs to compatibility to caveats | PCWorld
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GIGABYTE AM4 Motherboards: PCIe 4.0 Ready for Ryzen 3000
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