I need a AM4 motherboard but struggling to find the right brand
It's curious, but if looking at it from a 'brand' perspective and looking at it broadly (which is probably unfair of course) you can say some brands are better depending on the generation chipset they're using.
For instance: MSI you have to be very careful which board you're looking at in their X570 lineup, while their B450 line was strong, with quite a number of particularly good boards. And both Asus and Gigabyte misfired with most of their B450 boards while hitting it beautifully with their X570 lineup.
And B350 (mostly out of consideration for current purchase, but still widely available) are pretty weak across the board mainly because of the the pitiful...