How many PCIe slots do I need

DutchGamer

Reputable
Mar 30, 2014
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I want to crossfire 2 SAPPHIRE VAPOR-X R9 270X's, and they both require 2 PCIe slots. Does that mean I would need 4 PCIe slots on my mobo, or do I only need 2 with enough space in between? Could you also suggest some cheap mobo's if I would need 4 slots, because I am having a hard time finding one in my price range (max. about $130). My cpu is an i5-4570, so the mobo has to be an 1150 socket. Thank you