VRM heatsinks for GTX 770

TheMagicalWallaby · May 18, 2014

Could anybody tell me if they know of some VRM hetsinks for my GTX 770 that I can put under the fan on the Kraken G10. I am going to be liquid cooling my GPU and I heard that just a fan sometimes isn't enough when overclocking or just in general it will run hot. If this id not true for Nvidia cards let me know.

Hjgrove · May 18, 2014

What clock speeds are you planning to get up too?

TheMagicalWallaby · May 18, 2014

Hjgrove :

I am not sure as of right now, but it wouldn't be anything crazy. But if I didn't overclock, would it be fine? And if I did an overclock lets say 300MHz, would it be fine?

Vitric9 · May 18, 2014

I just want to add one thing about the GTX 770....The issue with Getting a GTX 770 300Mhz offset to the core clock is not really cooling as it is Voltage. As you probably know Nvidia has Locked the Voltage on their Kepler GPUs. the GTX 770 is locked at roughly 1.2v. or 1.212v MSI has their Lightning Edition PCBs which is supposed to let you go as high as you feel fit..within reason. But Every other GTX 770 graphics card has their Voltage Locked. So by Default, the Boost Voltage is 1.8v or there abouts. You can get it up to 1.212v with an OC tool.. I don't know if all the Nvidia GK104 graphics cards can have the BIOS flashed but that is an option to achieve the voltage needed to push 300+ MHz.. I am curious about all this and I am still learning as I read on so I would like to know how much of an OC you can get as well....

TheMagicalWallaby · May 18, 2014

Vitric9 :

I just want to add one thing about the GTX 770....The issue with Getting a GTX 770 300Mhz offset to the core clock is not really cooling as it is Voltage. As you probably know Nvidia has Locked the Voltage on their Kepler GPUs. the GTX 770 is locked at roughly 1.2v. or 1.212v MSI has their Lightning Edition PCBs which is supposed to let you go as high as you feel fit..within reason. But Every other GTX 770 graphics card has their Voltage Locked. So by Default, the Boost Voltage is 1.8v or there abouts. You can get it up to 1.212v with an OC tool.. I don't know if all the Nvidia GK104 graphics cards can have the BIOS flashed but that is an option to achieve the voltage needed to push 300+ MHz.. I am curious about all this and I am still learning as I read on so I would like to know how much of an OC you can get as well....

Yeah, I haven't ever really done much GPU overclocking. So I am curious to try it.

Vitric9 · May 18, 2014

I got a PNY GTX 770 XLR8 last summer on a sale..I knew that it was a reference based PCB and would not OC as well as Asus DCII or EVGA /ACX. So this PNY design is not at all for overclocking I would have to say the Max OC is about 100Mhz on the core clock even with the Voltage at 1.212. ..
EVGA precision is the one to use with the GTX 700 series....Oh... Also Make that you have adaptive power setting on in the Nvidia Control Panel when your not gaming. This way the GPU will ramp down in 2D/Desktop. I forgot to set that for a while and the GPU was running at 1046MHz and 42°C in desktop.

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VRM heatsinks for GTX 770

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Hjgrove

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