Stock cooler for 3900x model
Stock cooler for 3900x model
it doesn't need to be switched off, after all... this wasn't a problem on x570 x570 doesn't have that option. it's built into the setup as an overclocking feature, similar to how AMD treated it for Z390, turning it off by default.
B450 has never experienced this problem either... If some boards had it, it would likely be x570. So basically, it's not a concern.