1600mhz ram shows 1333mhz on BIOS

iClutch

Reputable
Dec 16, 2014
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I have this problem that my bios shows different ram MHz than it is.

Corsair vengeance cl9 1600mhz 2x4Gb.

Mobo: Asus Z87-A

I tried setting the ram frequency to 1600mhz in the advanced options, so i reseted my pc, and what i see is strange.
Heres a picture:
http://imgur.com/BMCfMni

That shouldn't be like it, shoild it?

Thanks for any help :)