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Mobo to OC 3570k @4.5Ghz and Dual X-fire R9 280x Toxic @ 1.3Ghz

Hi guys,

I am planning to build a game rig with a 3570k and a two R9 280x SapphireToxic.
I'll watercool Cpu and Gpus with a custom kit.
I'll air cool the case so the mobo and the VRMs of the GPUs won't fry.

My aim is to overclock the Cpu to get 4.5Ghz
and push each Gpu at ~ 1.3Ghz.

I'm not sure which motherboard will be solid enough to guarantee such overclocks.
After making my eyes bleed for the reading, I've noticed that the Gigabyte GA-Z77X-UD3H could make the job for a good price.

Do you think that this mainboard will accomplish the task??
Thanks
7 answers Last reply Best Answer
More about mobo 3570k 5ghz dual fire 280x toxic 3ghz
  1. There is no possible way to guarantee with a 100% certainty that you can hit 4.5 GHz. It doesn't matter how well the motherboard supplies voltage if the CPU is simply a bad overclocker.

    That being said, you will probably be able to hit 4.5 GHz with that motherboard, especially since you are water cooling. It's a common overclock for the 3570K.
  2. ihog said:
    There is no possible way to guarantee with a 100% certainty that you can hit 4.5 GHz. It doesn't matter how well the motherboard supplies voltage if the CPU is simply a bad overclocker.

    That being said, you will probably be able to hit 4.5 GHz with that motherboard, especially since you are water cooling. It's a common overclock for the 3570K.


    Thanks ihog,
    let's pretend that I'll be lucky and get a nice cpu,
    do you think that the GA-Z77X-UD3H can handle the overclock of the 3570K AND the overclock of the two GPUs??
  3. Best answer
    The motherboard should be able to. The OC of the CPU and the OC of the GPUs are separate, though. The motherboard doesn't have that much of a part of GPU OCing. You just have to make sure your PSU is sufficient.
  4. Not all the same CPU are good overclockers, lets say my 3570k oc's to 4.7ghz but yours to only 4.5ghz, thats simply based on your luck. And good choice on the GPU, I have the same one and it runs bf4 on ultra(~70fps) because my cpu is 4670k. You will get around 60fps on ultra with a single card and around 90 with dual cards.
    Good luck with the build.
  5. ihog said:
    The motherboard should be able to. The OC of the CPU and the OC of the GPUs are separate, though. The motherboard doesn't have that much of a part of GPU OCing. You just have to make sure your PSU is sufficient.


    Thanks ihog, what u wrote is very interesting.
    1) so the mobo won't be affected by any electrical and thermal stress from the double gpu overclock, but just from the cpu overclock, is that correct?
    2)so the only thing I can do to facilitate the process of increase the core clock of my Gpus is finding a proper Psu, isn't?
    2a) do you think a Corsair Enthusiast TX 850W is good enough and has a good quality/price ratio?


    Congratulation for your system rounakr94, I was going to buy the 4670k myself, but then I preferred the 3570k for overclocking practicability.
  6. Yeah 3570k is also good. I went for the 4670k as most of the games work better on it. But dont get a i7 as some games are not well optimised for hyperthreading.
  7. 1. Very little.
    2. No, the power supply won't affect how well you can overclock. It's more so how much, since you will be drawing more power when OCing. You just need to make sure your PSU is enough to power the entire system when the CPU and GPUs are overclocked.
    3. Yes, that would be good. If you want more headroom, you could go for more watts, but I think 850W would be good. I also like that model because it has a single 12V rail with 70 amps, which is perfect for those cards.
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