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The list of pains this setup would cause is more than 3
(thelemmy.club)
General rules:
Exceptions may be made at the discretion of the mods.
That's not what it looks like in my PC, but I guess you might be right. Although it seems that most motherboards, people can actually afford come with far fewer full PCIe slots.
If you can afford 15 huge monitors, you can splurge on the motherboard with extra PCI-E slots.