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GTX 480 SLI IHS Mod

post #1 of 43
11/25/11 at 3:20pm
Thread Starter 
I was inspired by Cakewalk_S thread Modifying Heat Spreader of GTX 560 Guide and Cravinmilds successful attempt.

So i attempted it myself. At first I lapped the Antec 620 and the IHS.

Then I just disregarded the IHS altogether and strapped the Antec 620 directly to the die.

Keep in mind that my GPU's have already been modded with Antec 620's used for cooling. See work log for info

Before

450

IHS removed

450

Die cleaned off

450

IHS Top lapped

450

IHS Bottomed lapped

450

Antec 620 Lapped

450

Temps before lapping the IHS w/Antec 620's strapped to the stock IHS

Lows at 34c & 35c
Peaks at 54c % 56c

328

After lapping the IHS and Antec 620

Lows at 30c & 31c = 4c & 5c drop
Peaks at 49c % 51c = 5c drop

328

Then I just scrapped the IHS altogether and strapped the Antec 620's straight to the die!

450

Final result:

Lows at 32c & 32c = 2c & 3c drop from original mod
Peaks at 47c % 47c = 7c & 9c drop from original mod

328
Edited by Rage19420 - 12/3/11 at 10:03pm
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post #2 of 43
11/25/11 at 3:24pm
No heatsinks on the Vrms and memory wth.gif
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post #3 of 43
11/25/11 at 3:30pm
Thread Starter 
Quote:
Originally Posted by Haze_hellivo View Post

No heatsinks on the Vrms and memory wth.gif

Nope, I have a couple of fans blowing on the cards in front and on the side. Peak VRM temps are at 45c
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post #4 of 43
11/25/11 at 3:34pm
Very cool. Love these risky GPU mods. +rep
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post #5 of 43
11/25/11 at 4:57pm
Right on to the die? Goodness sir, that's ballsy. I'll probably just put my 620 on the heat spreader, I don't want to mess up my card lol.
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post #6 of 43
11/25/11 at 5:18pm
NICE JOB RAGE +rep for U, fantastic temps. Its crazy what a few changes will do for temps wink.gif Keep us all informed as to how this is working out for you. I can see many others following after seeing this lol


FANTASTIC JOB, TAKES SOME BIG BRASSYS thumb.gif
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post #7 of 43
11/25/11 at 5:19pm
+Rep for Extremist Modding.thumb.gif

Knowing what you know now would you still do it again?
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post #8 of 43
11/25/11 at 5:24pm
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can probably push for +900 now with temps below 50c still... might want to make sure you have some cooling for the VRM's though, temps there can create instability as well.

 

*rep for mod

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post #9 of 43
11/25/11 at 5:28pm
love DIY projects.
Reply
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post #10 of 43
11/25/11 at 5:31pm
Thread Starter 
Quote:
Originally Posted by Haze_hellivo View Post

+Rep for Extremist Modding.thumb.gif

Knowing what you know now would you still do it again?

Without any hesitation yes!

However I have to credit Cravinmild for doing it first. He was my inspiration and once I saw him successfully do it, he gave me the courage to dive in.

So major props to him is deserved. thumb.gif
Me Rig
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I7 920 DO OC:3.8 MSI X58 PRO-E ZOTAC GTX 480 SLI W/Antec 620 Cooling Corsair XMS Series 16GB (4x4gb) DDR3 1600 
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WDC 500 Samsung 830 SSD Sony 22X Dual Format/Double Layer DVD±R/±RW Antec 620 
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Me Rig
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Hard DriveHard DriveOptical DriveCooling
WDC 500 Samsung 830 SSD Sony 22X Dual Format/Double Layer DVD±R/±RW Antec 620 
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Antec 620 Windows 7 Home x64 Asus VG278H 3D Vision 2  CORSAIR 850 TXV2 
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