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DDR3 2133 running at 1066?


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So I have 16gb (4x8) of G.Skill F3-17000CL9D PC3-17000, DDR-2133 1.65v installed on a ASUS P8Z77-V LK motherboard. 


In the BIOS, I have it set to 2133 and I also selected the correct XMP profile and according to the bios, its running at 2133mhz at 1.65v. 


But when I check it in Windows using CPU-Z, it says its running at 1066mhz at 1.5v. It also says its PC3-12800, not PC3-17000.  Windows does however show the correct timing of 9-11-10-28. 


I can't figure it out. Hopefully someone here can help me so I can get the most of the ram! 




So I think CPUZ shows the actual clock speed of the ram which would be 1066 but double that and its 2132..so maybe it is running at the right speed. But still weird that it shows its PC3-12800 and not PC3-17000. 

Edited by Nerwin
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