AMD Does a 180° By Supporting Zen 3 on B450/X470 Motherboards

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In a surprising yet pleasant twist, AMD has extended Ryzen 4000/Zen 3 support to B450 and X470 Motherboards. This comes with a few caveats though which will be outlined below.

AMD Ryzen 4000

There was a huge backlash from fans when AMD dropped support for 400 series motherboards. And rightly so, as it would mean a dead end for upgradability for those who bought them. This also comes after ODMs like MSI have already come out saying their Mobos especially their ‘Max’ line-up will support future AM4 based CPUs. So it wasn’t only AMD who was under fire.

This problem stemmed from the fact that the BIOS has a limited ROM capacity of 16MB. So they had to come up with a solution to get around this restriction.

The Caveats of Supporting Zen 3

Now coming to the caveats, the upgrade path will be uni-directional meaning you can’t downgrade the BIOS back to use the Zen 2 and earlier CPUs. This is owing to the fact of limited BIOS ROM available as mentioned earlier. This will essentially cause the support of Zen 2 and older CPUs to be dropped.

The ‘beta’ BIOS will be developed in collaboration with the motherboard partners. And its rollout might not coincide with the launch of Zen 3 later this year.

To avoid problems similar to the Zen 2 and B350 Motherboards. AMD will allow the download of the beta BIOS to only verified ‘Zen 3’ customers. This is to avoid laymen who have a Zen 2 or older CPU to accidentally upgrade their BIOS and get locked out.

Finally, AMD hammers the point that this will be the final upgrade pathway and subsequent CPUs such as Zen 4 will not be supported. While they do offer the ability to be able to run Zen 3 CPUs on the B450/X470. AMD recommends customers to use a 500 series motherboards to get the best performance and exclusive features.

Overall this is a great gesture from AMD, listening to fan feedback and acting on it. This will make sure they don’t lose all their hard earned goodwill over the past few years.

Chirag Govindaraj
An avid gamer and tech enthusiast. Inquisitive, in pursuit of learning how tech works in powering the media we love.

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