How come H97 motherboards and other budget motherboard can have 2 way crossfire support, but you need a Z97 motherboard to do 2 way SLI?
Crossfire vs SLI requirements
- Thread starter TechyInAZ
- Start date
Solution
Vexillarius
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- Aug 23, 2014
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Nvidia doesn't support SLI if it involves a PCIe x4 slot, while AMD's Crossfire does.
H97 isn't capable of splitting CPU PCIe lanes across slots, so you'll always have a x16 slot (and usually a x4 from the chipset). Z97 can split the lanes across two slots, x8 + x8.
Hence, SLI is only possible with Z97.
Partial sourcce: http://www.pugetsystems.com/labs/articles/Z97-vs-H97-What-is-the-Difference-562/
H97 isn't capable of splitting CPU PCIe lanes across slots, so you'll always have a x16 slot (and usually a x4 from the chipset). Z97 can split the lanes across two slots, x8 + x8.
Hence, SLI is only possible with Z97.
Partial sourcce: http://www.pugetsystems.com/labs/articles/Z97-vs-H97-What-is-the-Difference-562/
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