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9800GX2 + Thermalright HR-03-GT x2

post #1 of 4
Thread Starter 
Okay,

I was originaly planning on water which is now a plan B. tongue.gif

Now, i'm planning on buying two of these heatsinks and putting them on my GX2. (I have seen this mod before somewhere so I know its possible.

http://www.scan.co.uk/products/thermalright-hr-03-gt-6-h-pipe-heat-sink-for-nvidia-8800gt-ati-3850-70-vga-cards-%28fan-not-inc%29-92mmTh

I have these in my basket now and I need a few RAMsinks (16 to be exact), VRM sinks (not really sure what to get), also need something to cool that little "SLI bridge/Controller chip" would another RAMsink be suitable....?

Was thinking these...

http://www.scan.co.uk/products/thermalright-8800-gt-ram-pwn-ddr-ram-heatsinks-for-hr-03revav2

Here are the PCB's to give you an idea on the sort of thing I will need.

[IMG]PCB.jpg

These are my current temps...

[IMG]GX2Temps.jpg

I will be posting again when I have ordered all the parts and get them installed to see how much difference in temps it has made. biggrin.gif

Thanks for help/input. smile.gif
 
Fun inside...
(17 items)
 
 
CPUGraphicsRAMHard Drive
Athlon 64 3500+ 2.2Ghz 9800GX2 (wet) 1998Mhz Shader 4.5GB mixed WD Caviar black 20GB 'SS' 
Optical DriveCoolingOSMonitor
Cheap beige DVD ROM Koolance full copper GX2 block Vista 32bit LG W2486L 
PowerCase
Antec EA650 Antec 900 
CPUMotherboardGraphicsRAM
I7 920 D0 P6X58D-6 [Full mosfet/Northbridge blocks) GTX480 3x 2GB Dominator 1600Mhz 8-8-8-24 
Hard DriveHard DriveHard DriveOptical Drive
M4 64GB WD Green 1.5TB 2x WD CB 640GB Lite-on 22x dual layer, ASUS Blu-ray 
CoolingOSMonitorKeyboard
Custom loop Windows 7 64 bit LG W2486L Microsoft (cheapest they had) 
PowerCaseMouseMouse Pad
Corsair TX950 Lancool PC-K62 Microsoft X5 Akira theme 
Audio
Logitec 5.1 
MotherboardRAMHard DriveOptical Drive
EVGA P55 2x 2GB Corsa 2133MHz 250GB DVD-RW 
CoolingOSMonitor
Air Vista Business 32bit 17" 
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Fun inside...
(17 items)
 
 
CPUGraphicsRAMHard Drive
Athlon 64 3500+ 2.2Ghz 9800GX2 (wet) 1998Mhz Shader 4.5GB mixed WD Caviar black 20GB 'SS' 
Optical DriveCoolingOSMonitor
Cheap beige DVD ROM Koolance full copper GX2 block Vista 32bit LG W2486L 
PowerCase
Antec EA650 Antec 900 
CPUMotherboardGraphicsRAM
I7 920 D0 P6X58D-6 [Full mosfet/Northbridge blocks) GTX480 3x 2GB Dominator 1600Mhz 8-8-8-24 
Hard DriveHard DriveHard DriveOptical Drive
M4 64GB WD Green 1.5TB 2x WD CB 640GB Lite-on 22x dual layer, ASUS Blu-ray 
CoolingOSMonitorKeyboard
Custom loop Windows 7 64 bit LG W2486L Microsoft (cheapest they had) 
PowerCaseMouseMouse Pad
Corsair TX950 Lancool PC-K62 Microsoft X5 Akira theme 
Audio
Logitec 5.1 
MotherboardRAMHard DriveOptical Drive
EVGA P55 2x 2GB Corsa 2133MHz 250GB DVD-RW 
CoolingOSMonitor
Air Vista Business 32bit 17" 
  hide details  
Reply

Gear mentioned in this thread:

post #2 of 4
This thread should give you some help, especially post #14.
http://www.overclock.net/graphics-cards-general/543082-evga-9800-gx2-cooling-help.html

Regarding those 16 VRAM heatsinks, I recommend Enzotech BCC9.
Link: http://www.enzotechnology.com/bcc9.htm

It measures 9mm in height. As the 2 PCBs mirror off each other, make sure you have enough clearance when these heatsinks are installed.
post #3 of 4
Thread Starter 
Thanks for the reply. I will try and get some of those RAMsinks, will grind them down if they are too tall. Any idea on the VRM's or the other small chip? I will also need some thermal compound as I only have AS5....
 
Fun inside...
(17 items)
 
 
CPUGraphicsRAMHard Drive
Athlon 64 3500+ 2.2Ghz 9800GX2 (wet) 1998Mhz Shader 4.5GB mixed WD Caviar black 20GB 'SS' 
Optical DriveCoolingOSMonitor
Cheap beige DVD ROM Koolance full copper GX2 block Vista 32bit LG W2486L 
PowerCase
Antec EA650 Antec 900 
CPUMotherboardGraphicsRAM
I7 920 D0 P6X58D-6 [Full mosfet/Northbridge blocks) GTX480 3x 2GB Dominator 1600Mhz 8-8-8-24 
Hard DriveHard DriveHard DriveOptical Drive
M4 64GB WD Green 1.5TB 2x WD CB 640GB Lite-on 22x dual layer, ASUS Blu-ray 
CoolingOSMonitorKeyboard
Custom loop Windows 7 64 bit LG W2486L Microsoft (cheapest they had) 
PowerCaseMouseMouse Pad
Corsair TX950 Lancool PC-K62 Microsoft X5 Akira theme 
Audio
Logitec 5.1 
MotherboardRAMHard DriveOptical Drive
EVGA P55 2x 2GB Corsa 2133MHz 250GB DVD-RW 
CoolingOSMonitor
Air Vista Business 32bit 17" 
  hide details  
Reply
 
Fun inside...
(17 items)
 
 
CPUGraphicsRAMHard Drive
Athlon 64 3500+ 2.2Ghz 9800GX2 (wet) 1998Mhz Shader 4.5GB mixed WD Caviar black 20GB 'SS' 
Optical DriveCoolingOSMonitor
Cheap beige DVD ROM Koolance full copper GX2 block Vista 32bit LG W2486L 
PowerCase
Antec EA650 Antec 900 
CPUMotherboardGraphicsRAM
I7 920 D0 P6X58D-6 [Full mosfet/Northbridge blocks) GTX480 3x 2GB Dominator 1600Mhz 8-8-8-24 
Hard DriveHard DriveHard DriveOptical Drive
M4 64GB WD Green 1.5TB 2x WD CB 640GB Lite-on 22x dual layer, ASUS Blu-ray 
CoolingOSMonitorKeyboard
Custom loop Windows 7 64 bit LG W2486L Microsoft (cheapest they had) 
PowerCaseMouseMouse Pad
Corsair TX950 Lancool PC-K62 Microsoft X5 Akira theme 
Audio
Logitec 5.1 
MotherboardRAMHard DriveOptical Drive
EVGA P55 2x 2GB Corsa 2133MHz 250GB DVD-RW 
CoolingOSMonitor
Air Vista Business 32bit 17" 
  hide details  
Reply
post #4 of 4
For VRMs and the NF200 chipset, I would suggest using those pure copper heatsinks by Enzotech (eg MOS-C1 or MOS-C10). They are the best that I know of.

Read the comment (post #12) by LevelOne in the thread below. He was the author of that Greek thread about modding 9800GX2. Take note that the VRMs can get very hot (~100C) and must be seriously considered.

Note also you might have to use some 'strong' thermal glue/pad to fix them as the contact surface is so small that they might fall off under their own weight.

Link:http://www.xtremesystems.org/forums/showthread.php?t=193512

Finally, be prepared to use fans to assist in the cooling. See pic below.
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