Msi Pro X670 P Wifi 6e Motherboard + Amd Ryzen 9 7950x Cpu Combo Socket Am5 Support Ddr5 128gb Memory M.2 Pcie 4.0 Mainboard New - Motherboards - AliExpress
PCIe Gen 4 vs. Gen 3 Slots, Speeds
PCI-Express: Lanes, Routing, Sharing, Switches und Redriver erklärt [PCI-E- 4.0-Update]
Some ASUS X470 and B450 Motherboards Support PCIe 4.0 | eTeknix
Intel Z490 Motherboards With PCIe 4.0 Ready Slots?! - YouTube
Forget about those BIOS updates: Pre-X570 mainboards will not support PCIe Gen 4 - NotebookCheck.net News