AMD Ryzen on Twitter: "Ryzen 3000 series' PCIe 4.0 compatibility means your PC is ready for the future with double the data bandwidth, backwards compatibility, and the ability to connect more devices
AMD Reveals the X570 Chipset: PCIe 4.0 is Here
Amazon.com: MSI A520M PRO Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, Dual M.2, USB 3.2 Gen 1, HDMI/DP, Micro-ATX) : Electronics
Amazon.com: ASUS Hyper M.2 x16 Gen 4 (PCIe 4.0/3.0) supports 4x M.2 NVMe devices (2242/2260/2280/22110) up to 256 Gbps for AMD TRX40 / X570 PCIe 4.0 NVMe RAID and Intel RAID platform- CPU functions : Electronics
Sapphire PULSE AMD Radeon RX 6500 XT 4GB DDR6 PCI Express 4.0 Graphics Card Black 11314-01-20G - Best Buy
So is this PCIE 4.0 or no? : r/ASUS
PCI Express 4.0 arrives in July, but you need a new AMD Ryzen processor by Jose Antunes - ProVideo Coalition
Gigabyte Aorus X570 Motherboard And PCIe 4.0 SSD Preview: Ready To Rock Ryzen 3000 | HotHardware