does your ram support x.m.p in the bios?
set to 1600mhz and set dram voltage to 1.65v then see if it works ok or use x.m.p profile 1 if it supports it
OcUK GeForce GTX 680 H20 can I fit it in a BitFenix Prodigy
asus p8z77-i
intel 15-3570k
corsair h100i
BitFenix Prodigy
silent pro 600w
I have evga 660 oc