Separately within Swiss amd x590 motherboard Basement Think ahead Render
AMD X590 Chipset Pops Up Again - 24 Full PCIe 4.0 lanes instead of 16?
AMD X590 & X599 ROG Zenith II Motherboards From ASUS Leak Out
AMD X590 Chipset Hinted in GIGABYTE Motherboard BIOS File - The FPS Review
AMD X590 Chipset surfaces again (and X599 as well)
ASUS PRIME X570-PRO - Motherboard - ATX - Socket AM4 - AMD X570 - USB-C Gen2, USB 3.2 Gen 1, USB 3.2 Gen 2 - Gigabit LAN - onboard graphics (CPU required) - HD Audio (8-channel) - Peng-Gadgets
The X590 Chipset Exists According to ASUS - ThinkComputers.org
AMD X590 chipset: more PCIe 4.0 lanes, better overclocking
Gigabyte's reportedly working on AMD X570S "Silent" AM4 motherboards | OC3D News