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Can you undervolt a locked CPU?

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Go to solution Solved by i_build_nanosuits,

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yes absolutely you can do that you have full control over all the voltages...you just can't bump the CPU multiplier.
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Isn't this more useful for laptops?

 eGPU Setup: Macbook Pro 13" 16GB DDR3 RAM, 512GB SSD, i5 3210M, GTX 980 eGPU

New PC: i7-4790k, Corsair H100iGTX, ASrock Fatal1ty Z97 Killer, 24GB Ram, 850 EVO 256GB SSD, 1TB HDD, GTX 1080 Fractal Design R4, EVGA Supernova G2 650W

 

 

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Isn't this more useful for laptops?

 

No... it's useful for anyone who wants a cooler, quieter CPU/cooler.

 

I think voltage control comes from the Mobo chipset, the multiplier might be locked at say 35, but you should be able to fine tune the voltage on a Z97/Z87/Z77 etc board

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  • 3 weeks later...
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yes absolutely you can do that you have full control over all the voltages...you just can't bump the CPU multiplier.

| CPU: Core i7-8700K @ 4.89ghz - 1.21v  |  Motherboard: Asus ROG STRIX Z370-E GAMING  |  CPU Cooler: Corsair H100i V2 |
| GPU: MSI RTX 3080Ti Ventus 3X OC  |  RAM: 32GB T-Force Delta RGB 3066mhz |
| Displays: Acer Predator XB270HU 1440p Gsync 144hz IPS Gaming monitor | Oculus Quest 3 VR

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