| JEMC said: MOBO: That's the trickiest part. Only AMD's X570 boards support PCIe 4.0 so, if you want to be able to it, they're your only choice. I can only tell you to look at reviews of models you like and see what they say about the chipset cooling. Some boards have a heatpipe that connect it to the CPU's VRMs to help with the cooling, as well as having the fan at idle most of the time (and thus making it less prone to failures). |
If it is a well-designed aka "premium" board, the fan shouldn't fail all that quickly. The old Sabertooth X79 board I had has a fan which has been fine since 2011... And running almost constantly. But it does mean an extra failure point, no doubt.
The issue with chipset fans tends to be noise in my opinion, smaller, but faster fans tend to be more audible than larger, slower moving fans.
Your other suggestions are exactly on point. AMD is the only option in my opinion on the CPU front, bit of a role reversal!
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