Motherboard compatible with ram?

i have the asus m4a78lt-m motherboard and i would like to buy the G.SKILL F3-12800CL8D-4GBXM i just wanted to know if these are compatible mobo ram

any help would be great
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  1. The F3-12800CL8D-4GBXM will run at 'SPD' but it's dependent upon the CPU; some AMD CPU's are limited to DDR3 1066, some DDR3 1333 while 6-core DDR3 2000.

    Q - What CPU?
  2. amd phenom IIx4 965 black edition
  3. The 965 BE is fine with DDR3 1600, but you'll need to Memory Clock Mode -> Manual, Memory Clock Value -> 800 MHz {Hoping that means 800MHz X 2 = 1600 MT/s}, and the REALLY odd thing looking at you manual is the total lacking of CAS Timing settings.

    IF that's the case then chances are 50/50 the 'SPD' may or may not adjust them to 8-8-8-24 and then you're wasting money on a great set of RAM.

    IMO - after looking at your limited BIOS
    $25 KHX1600C9D3B1K2/4GX ->

    IF you have a 64-bit OS:
    $44 F3-10666CL9D-8GBRL
  4. so are you positive the 8 gb ripjaws will work?
  5. KHX1600C9D3B1K2/4GX are rated for AMD and have just as much likelyhood as the Ripjaws X
    ASUS M4A78LT-M ->
    4 x DIMM, Max. 16GB, DDR3 1800(O.C.)/1600(O.C.)/1333/1066 Hz ECC, Non-ECC, Un-buffered Memory
    Dual Channel Memory Architecture

    I would flash to version 0802 BIOS "1.Improve system stability, 2.Improve memory stability"

    Default In the Memory Over Voltage -> Auto
    1600 MHz In the Memory Over Voltage -> 1.65v.

    100% certainty -> technical support and ask, the answer will be it 'should.'
  6. ok now im sort of a noob so could you explain what i would have to do after i buy the ram?
  7. First, you need a 64-bit OS, in the BIOS:
    Memory Clock Mode -> Manual
    Memory Clock Value -> 800 MHz
    Memory Over Voltage -> 1.65v
  8. ok thank you. when i built my comp i started off with gb of ram and it wasnt compatible with my mobo so now im looking for ram that is so thank you very much
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