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GTX 670 copper block? - Page 3

post #21 of 28
Thread Starter 
If using a full cover EK block, do you apply TIM to the RAM/mosfets as well or should I use the included thermal pads that EK provides?
post #22 of 28
I'd follow the instructions - I'm sure they have their reasons for wanting the pads instead of using paste.
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post #23 of 28
Quote:
Originally Posted by Fan o' water View Post

Got my 670's under so water - now for some temp testing.
450
thumb.gif
That looks awesome, would love to see the numbers, can you also touch test the VRM/ RAM sinks and see how hot they are getting under OC'd load ?
post #24 of 28
Zerocraft - Will try to get some testing in tonight and touch one of the vram heatsinks.

The gpu chips are idling 2 and 4 degrees above ambient and reached 15 and 17 degrees above ambient during bench tests.
On air I was idling 17C above ambient and 50 C above while benching/gaming. Serious improvement.

cheers!
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post #25 of 28
Ok with an ambient temp of 23C, after 90 minutes of demanding gameing, Plants vs Zombies (just kidding), the cards got to 42 and 44C. So I did touch the heatsinks over the vrm's, the ones closest to the fans were warm, but not hot and the ones farthest from the fans were very warm, but not hot. So the vrm plate/heatsinks/fan combo seems to be working quite well.

Quite pleased with the results!
thumb.gif
Cheers
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post #26 of 28
Forgot to mention the VRAM heatsinks were warm, not hot.
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post #27 of 28
Quote:
Originally Posted by PuffinMyLye View Post

If using a full cover EK block, do you apply TIM to the RAM/mosfets as well or should I use the included thermal pads that EK provides?

Only use TIM on the CPU. Use the thermal tape for VRMs and vRAM.
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White Widow
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Swiftech 360mm XP radiator and Swiftech 240mm X... Swiftech MCP-35x pump Swiftech Reservoir Rev2b EK HD6970 Water Block Non-Reference 
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Primochill 1/2" ID/ 3/4" OD tubing Windows 7 x64 Professional HP 27" Logitech G19 
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post #28 of 28
Hey Fan o' water,

Great work! I'm looking to do something similar too!

I was just wondering if you could provide a few measurements for the push-pin spacing, because I'm looking for some mobo VRM waterblock that can fit the reference GTX 670's VRM section.

If it's not too much trouble I'd like:

GTX%2520670%2520VRM%2520Dimensions.JPG

- the length and width of the whole copper piece you devised (represented by the red and blue lines in the markup of your above)
- the diagonal distance between from the middle of one push pin to the other (represented by the orange line in markup of your image above)
- the total diagonal distance of the whole copper piece you devised (represented by the green line in markup of your image above)

Is this ok with you?


Cheers,
dr--
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