AMD Ryzen 4000 desktop CPUs rumored to support existing AM4 motherboards | TechRadar
Amazon.com: MAXSUN A520 M-ATX Motherboard AMD AM4 Zen 3, DDR4, PCIe3.0 x16, SATA 6Gb/s, M.2, USB 3.1, HDMI/VGA for All Ryzen 1000-4000 Series APU/CPU and Ryzen 5000 Series CPU (5000 APU Need
AMD Ryzen 4000 Renoir Desktop APUs Launched For The AM4 Platform
AMD Confirms Zen 3 Ryzen 4000 CPUs Will Work In These Socket AM4 Motherboards | HotHardware
AMD Ryzen 4000 APUs do not necessarily throttle on battery power, despite Intel's claims to the contrary - NotebookCheck.net News