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Couple of questions

post #1 of 5
Thread Starter 
Ive got most of my water cooling setup sorted now, its pretty huge hehe, ill get some pics when mounted on the wall outside, i have a couple of TEC questions if i may.

After reading NOL's guide ive learned a fair bit, I know i need a coldplate between the cpu and TEC with cermaic paste between, but do i need one between TEC and waterblock also? or just stick AS5 or similar there?

Also ive ordered another 9800gx2 so go in sli, but my psu will be pretty maxed i think (880w hiper) so i was wondering if one of these from my old CB days could power it? (bottom one has nifty switch on back to adjust 3v-6v-9v-12v-13.8v)



It mentions only certain waterblocks take TEC's, was wondering if you could tell me the best one for a very high flow system with 1/2" barbs (minimum).

last but not least, ive got hold of a 320w 50mm(i think) TEC, this should cool a clocked Q6600? I hope anyway lol

before i forget what does di-electric grease come named as? dont seem to be able to find any reference to it on any local sites, and are there good brands of cermaic paste like AS5 is for heat?

enough of my questions now, thanks for reading all my crap lol.

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post #2 of 5
Quote:
After reading NOL's guide ive learned a fair bit, I know i need a coldplate between the cpu and TEC with cermaic paste between, but do i need one between TEC and waterblock also? or just stick AS5 or similar there?
Just one cold-plate, on the hot side next to your water block use AS5, on the cold side of your TEC next to the cold plate use Ceramiqe, or however you spell it.....Then AS5 on your IHS...

If you can use those PSU's or not would depend on what size TEC you are using and at what voltage you are going to run it...The biggest one is 20 amps, so it would only really be good for smaller TEC's..

Here is a list of common size TEC's and the amps they pull at various voltages..Its a great run down...

...TEC undervolting charts

Here are some general TEC links..

..TEC Clamping

..Condensation Prevention

..Cold Plate Materials and Thickness
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post #3 of 5
Thread Starter 
excellent, many thanks for your help

ill now see what i can blow up hehe
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post #4 of 5
Hey NP...Hope you get some good load temp's with it...
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post #5 of 5
Quote:
Originally Posted by magoozle View Post
Ive got most of my water cooling setup sorted now, its pretty huge hehe, ill get some pics when mounted on the wall outside, i have a couple of TEC questions if i may.

After reading NOL's guide ive learned a fair bit, I know i need a coldplate between the cpu and TEC with cermaic paste between, but do i need one between TEC and waterblock also? or just stick AS5 or similar there?

Also ive ordered another 9800gx2 so go in sli, but my psu will be pretty maxed i think (880w hiper) so i was wondering if one of these from my old CB days could power it? (bottom one has nifty switch on back to adjust 3v-6v-9v-12v-13.8v)



It mentions only certain waterblocks take TEC's, was wondering if you could tell me the best one for a very high flow system with 1/2" barbs (minimum).

last but not least, ive got hold of a 320w 50mm(i think) TEC, this should cool a clocked Q6600? I hope anyway lol

before i forget what does di-electric grease come named as? dont seem to be able to find any reference to it on any local sites, and are there good brands of cermaic paste like AS5 is for heat?

enough of my questions now, thanks for reading all my crap lol.

The '320' is almost certainly the power draw at full load at 27C, not the heat pumping. That would be a 12724 TEC, which has Qcmax (heat pumping) of 228W.

The Swiftech MCW6500-T is a very nice block for a 50mm TEC especially if you have high flow rate. The TEC that comes with it is the same as what you have. If you want to upgrade, an easy source is the 345W (Qc) from ArcticSpider. There is a better one from Hui Mao but it is hard to get as there is no distributor I know of outside of China. The ArcticSpider TEC is from Hui Mao too.

With that TEC running on your 13.5V supply, you will draw only about 8A, and you will get better cooling than the 320 TEC. You can run that up to 30V with a good block, but I would recommend staying below 24V - you will actually get better cooling.

You really need something bigger for that CPU with OC but the bigger TECs are very hard to get.
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