Am I correct in understanding that these two motherboards are compatible out the box with the Ryzen 9 3900X CPU without requiring anything to be flashed like previous Ryzen based AM4 motherboards of the past?
MSI MPG X570 GAMING
https://www.newegg.com/msi-mpg-x570...cM82lFuxazWfGmI8kHKvYvGD6c5k3nABoCGLEQAvD_BwE
GIGABYTE X570 GAMING X AMD Ryzen 3000
https://www.google.com/amp/s/www.newegg.com/amp/gigabyte-x570-gaming-x/p/N82E16813145161
MSI MPG X570 GAMING
https://www.newegg.com/msi-mpg-x570...cM82lFuxazWfGmI8kHKvYvGD6c5k3nABoCGLEQAvD_BwE
GIGABYTE X570 GAMING X AMD Ryzen 3000
https://www.google.com/amp/s/www.newegg.com/amp/gigabyte-x570-gaming-x/p/N82E16813145161