Memory runs slower after adding second GPU

Hello,

I have a GTX 670 and added a second GTX 670 because I bought a larger monitor. My memory used to run at 1600Mhz but now it's only stable at 1333MHz. Do you know what could be causing this? Could it be related to the power supply? I currently have a OCZ 700 PSU.

Here is my other specs.
I7 2600K at 4.2Ghz
4 x 4 GB Corsair RAM
1 x 256 SSD
2 x 2 TB traditional hard drives in a RAID 1 configuration
1 x standard SATA DVD drive


Thanks,

David
7 answers Last reply
More about memory runs slower adding
  1. since you have 4 ram sticks i would raise the voltage a bit and see if that helps it run at 1600
  2. use the manual settings to 1600 in the bios
  3. alvine said:
    since you have 4 ram sticks i would raise the voltage a bit and see if that helps it run at 1600


    Hi, the voltage is at 1.50 V. How high should I rise it? Thanks.

    David
  4. That voltage is pretty standard for 1600 mhz ram. Very strange. I would do what Scout said, go to the bios and change it to 1600, should fix your issues.
  5. dont forget that you work with intel cpu so raising memory voltage it at your risk
  6. Hi, I enabled XMP in the BIOS and everything seems to be stable. I haven't had any BSOD yet running the memory at 1600Mhz. Thanks for all the advice.
  7. keep it working have fun
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