The AMD Ryzen 9 5900X motherboards are the best to maximize the performance of the 12-core processor. This CPU needs a 500-series motherboard. We've gathered the best X570 boards and B550 boards available. here suggest some Best Motherboards for Ryzen 9 5900x. I hope it is useful for you.
ASUS ROG Strix E570
GIGABYTE B550 AORUS Elite V2
ASUS ROG Strix rX570-I Gaming
ASUS Prime X570-P
ASUS ROG X570 Crosshair VIII Formula