DDR3 Incorrect RAM speed

Hello folks,

I'm just having all kinds of trouble with my RAM ever since I built my system. According to various programs I sometimes have 3GB of RAM, sometimes I have the full 4GB that I installed. Some say its running at 800mhz, some say that its running at 1600mhz. In the Bios, I changed what I believe to be the RAM to 1600mhz. Can anyone help me get this all straightened out? Please, thanks. :(

Windows 7 Professional 64-bit
Intel Core i-7 860 @2.8GHz -- 1156
Gskillz 4GB 1600mhz RAM 2 x 2GB
ASUS P7P55 WS Supercomputer motherboard
MSI GTX 460 1GB & EVGA 9800GTX+
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  1. Best answer
    Your DRAM frequency in your BIOS should show 800MHz, which relates to DDR3 1600 (2x800). You can confirm this with CPUID's CPU-Z under the memory tab.
  2. I dont understand. It's supposed to say that?

    CPU-Z says DDR3 1096MB. Dual Channels. NB Frequency 2407.5MHz.

    Under the Timings section it says:

    DRAM Frequency 802.4 MHz.
    FSB:DRAM 2:12
    CL 9.0 clocks.. etc etc...
  3. You are running at DDR3 1600 by the DRAM Frequency showing 802.4 (FSB:RAM 2:12). It is 800 x 2 given you DDR3 1600. I'm not seeing an issue with your speeds, unless someone else does??
  4. Haha, I don't know. I'm just asking. Is that what its supposed to be? I bought DDR3 1600MHz RAM. Am I using it to its full capability or does my motherboard have it running slower than its designed speed?

    From what you're saying, I can almost gather that it's fine.
  5. From what I'm reading, everything looks to be running fine so you should be good to go.
  6. Best answer selected by w0lfATTACK.
  7. Thank you, sir.
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