2x8Gb or 4x4Gb ram modules ?

Dropy

Distinguished
Jan 23, 2015
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Hi everyone!
I am planing to build a new pc and i can now choose between having 2x8Gb ram modules or 4x4Gb.
Please help!

Other pc components:
Cpu: I7 4790k
Motherboard: ASRock extreme 4 z97