sabertooth z77 ram problem

[yehia7000]

i bought sabertooth z77 and g.skill sniper 1866 ram but it read it 1600 ,, iam now confused and i dont know what i should do please help

 

[jaquith]

Easy fix, I assume the F3-14900CL9D-8GBSR kit.

F3-14900CL9D-8GBSR
DDR3-1866 9-10-9-28-2N @ 1.50v
ref - http://www.gskill.com/products.php?index=385

BIOS:
F5 ; Load Optimized Defaults
AI Overclock Tuner -> XMP and use Profile 1
-
VCCSA Voltage -> Manual ; if needed
VCCSA Voltage -> 1.20v ; if needed
F10 ; Save & Exit = Yes