What non x570 AM4 ITX board with bifurcation + VRMs for 3900X?

Associate
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4 Nov 2004
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I currently have an MSI b450 Gaming Plus ITX, which apparently has VRMs good enough for the 3900X.

However, I also want bifurcation, which this board doesn't officially support. Oddly though the latest BIOSes do contain the x8+x8 option - but maybe it's a mistake as it doesn't seem to work.

My next bet is the ASRock b450 itx, as that does officially support bifurcation - but then I'm worried the VRMs will get too hot for my 3900X.

I really don't want active cooling so the x570 is out.
 
Soldato
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26 Sep 2010
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Stoke-on-Trent
Apparently the ITX doesn't even like the 3900X. Granted this is from June

http://forum.asrock.com/forum_posts.asp?TID=11875&title=difficulty-to-post-on-b450-itx-ac-with-3900x

But who knows if Asrock have sorted the BIOS. Hell, I've seen people on these forums having issues with the X570 boards so that doesn't instil confidence they've sorted last-gen boards out. This seems to be a bigger issue than just drafting a fan over the VRMs.

I know I said the Aorus review wasn't glowing, but it didn't seem to be a bad board. What's in the review that's turned you off??
 
Associate
OP
Joined
4 Nov 2004
Posts
391
Apparently the ITX doesn't even like the 3900X. Granted this is from June

http://forum.asrock.com/forum_posts.asp?TID=11875&title=difficulty-to-post-on-b450-itx-ac-with-3900x

But who knows if Asrock have sorted the BIOS. Hell, I've seen people on these forums having issues with the X570 boards so that doesn't instil confidence they've sorted last-gen boards out. This seems to be a bigger issue than just drafting a fan over the VRMs.

I know I said the Aorus review wasn't glowing, but it didn't seem to be a bad board. What's in the review that's turned you off??

chiefly the VRM temps still being high, and only on the 3900x at stock. That’s the whole reason for being concerned about the b450.
 
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