Asus begins removing pcie 4.0 from pre motherboards

ASUS confirmed to have begun removing PCIe 4.0 support from its pre- AMD X570 motherboards, preventing PCIe 4.0 devices from accessing their full performance levels when using 300 and 400 series motherboards with Ryzen processors third generation (Mattise).

ASUS has removed PCIe 4.0 on ROG Strix X470-I Gaming, Crosshair VI Hero, and Crosshair VII Hero motherboards

Earlier this year, AMD confirmed that its 300/400 series motherboards did not support PCIe 4.0, but that did not stop motherboard manufacturers from offering this option. Now, thanks to AMD's latest AGESA iterations, namely Comb PI 1.0.0.0.3 AAB, ASUS has been forced to remove PCIe 4.0 support from much of its AM4 range.

The latest BIOS files for AMD's ROG Strix X470-I Gaming, Crosshair VI Hero, and Crosshair VII Hero have been found to no longer support PCIe 4.0. We hope that the other ASUS AM4 motherboards will be affected once new BIOS iterations are available. These BIOS files also address Destiny 2 incompatibility issues and problems with some Linux distributions.

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PCIe 4.0 support is also being removed from third-party 300/400 motherboards, with Gigabyte being another example of this.

It is likely that many users prefer not to update the BIOS of their AM4 motherboards in order not to lose this compatibility with PCIe 4.0 although, at the moment, there are not many products that take advantage of it beyond some SSDs, but this could change quickly in the coming years. months. We will keep you informed.

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