x670e Godlike/Ace, the best consumer motherboards for multi GPU

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9999pcielanes

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Oct 11, 2024
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I'm just sharing this. if you need a 3-4 GPUs setup like I do, these are by far the best in the entire consumer space (z890 and x870e included). 5.0 x8/x8/x4/x4 (via the m.2 slot) and why not another m.2 4.0 x4 via the PCH for the gpu that drives the displays. there's also bifurcation, so maybe you could even do 6 x4 but I haven't, nor can I at the moment, tried.
MSI was the only one with a brain that used to prefer disabling USB-C/TB4 ports instead of halving the available internal slots like all other manufacturers, and now MSI as well, do. I was looking forward to the biostar z890 since it has the same layout as these x670e's, but yeah. they crippled it to x8/x4/x4. There are some boards that come with 3x m.2 5.0 and 2 x8/x8 slots, but they all turn off the second pcie slot if you decide to use the 2nd and 3rd 5.0 m2 slots.

any 5.0 card will get the equivalent of 3.0 x16 bandwidth on a x4 slot, which is basically going to have no effects at all on any GPU aside the 5090.

and nice little addition, you aren't giving up 1/3 or even 50% the single thread performance like you would with a zen2/3 epyc or spr-sp. im not even considering threadripper or xeon W as they have absurd prices. you could call these threadripper lite.
 
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9999pcielanes

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Oct 11, 2024
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just the price... at this price i'd go with threadripper or epyc.
it depends, there are/were some good deals on ebay for 2nd hand x670e ace's and they were like 400/500usd. but yeah they are rare. considering that udimm ram costs 1/2 as much as rdimm and a 6c 7500f/7600 is most likely okay, I'm 99% sure it's still much cheaper.

threadripper and pcie 5.0 in the same sentence screams 1.5k for the CPU alone to me lol
and I'd hate buying a dead and outdated platform like wrx80. maybe h13ssl+9334 qs could be a (noticeably more expensive) alternative.