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If i buy a TEC

post #1 of 8
Thread Starter 
What then?
I can buy a Waterblock+TEC on it, i buy it for the waterblock but if it has tec on it ill try it out..

how much energy does tit consume ?
its a 300W TEC
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post #2 of 8
I've never used a tec and know little about them but from what I've heard they are terribly unefficent. So if your looking for lower temps or even sub ambient then look into a water chiller instead

My
post #3 of 8
TECs look like a heat transfer extension. They should just combine TECs and waterblocks together. That's just my opinion.
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post #4 of 8
I wouldn't get a direct die single TEC, is it has a Qmax of 300W it might just be able to give you sub ambient temps while consuming a few hundred watts


if it consumes 300W at peak, it wont keep an i7 cold on its own. and will probably only increase your temps.
    
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post #5 of 8
Quote:
Originally Posted by runeazn View Post
What then?
I can buy a Waterblock+TEC on it, i buy it for the waterblock but if it has tec on it ill try it out..

how much energy does tit consume ?
its a 300W TEC
You sound like you havent really researched this....

Now I am not being nasty or anything and I see you are a respected member of the forum but I have to say this.... it will be a non starter without you putting a lot more effort it.

Most off the shelf TEC products are not the best simply because they have to work within the "idiot-proof" range. Bare TECs bought off Ebay etc require a lot of other stuff to get them working correctly and you will need to research how to use/install them and it isn't cheap. You can throw a lot of money at TEC and due to lack of research etc end up with an awful setup.

One of the main problems for "newbie" TECies is the necessity for two complete loops in your rig - one to cool your components with the TEC and the other to cool the TEC itself.
Don't be fooled into thinking it is simply just a case of "poking " in a TEC and applying the power.

That said if you want to have a go, it can be fun you can learn a lot, there are plenty of people to help you, it will involve a certain amount of D.I.Y.
but the bottom line is - dont assume it will be easy or cheap.
post #6 of 8
Thread Starter 
Quote:
Originally Posted by zipdogso View Post
You sound like you havent really researched this....

Now I am not being nasty or anything and I see you are a respected member of the forum but I have to say this.... it will be a non starter without you putting a lot more effort it.

Most off the shelf TEC products are not the best simply because they have to work within the "idiot-proof" range. Bare TECs bought off Ebay etc require a lot of other stuff to get them working correctly and you will need to research how to use/install them and it isn't cheap. You can throw a lot of money at TEC and due to lack of research etc end up with an awful setup.

One of the main problems for "newbie" TECies is the necessity for two complete loops in your rig - one to cool your components with the TEC and the other to cool the TEC itself.
Don't be fooled into thinking it is simply just a case of "poking " in a TEC and applying the power.

That said if you want to have a go, it can be fun you can learn a lot, there are plenty of people to help you, it will involve a certain amount of D.I.Y.
but the bottom line is - dont assume it will be easy or cheap.
no its 2nd hand as somebody used this TEC+ EK HF supreme on his i7 980X= assembled already.
and ofc i know i need to insulate, and i will be buying it for cheap and thought i dont want to hassle with dissassembling it.

but as i need 2 loops ill guess ill buy the block and throw away the tec in the trash bin :/
Edited by runeazn - 4/22/11 at 3:11am
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post #7 of 8
Unreal... Sometimes I wonder if people even read what others are trying to say on this forum anymore....The OP is talking about a direct die TEC assembly using an off the shelf water block from EK. If your mate has indeed used it to cool his 980x ask him for some screen shots of it in action. Then decide if it is worth the effort. Lastly, this being a DIRECT DIE set up you will only need a single water cooling loop albeit larger in capacity (more/bigger rads) which you apparently according to your SIG you already have.

Regards,
Elloquin
    
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post #8 of 8
Direct cpu cooling with a TEC is fine, so long as the TEC setup is rated correctly for the heatload of the CPU.

If you were to keep your i7 at your current speed and voltage, then it's putting out a heatload of approx 155w.

Now the only "300w" TEC I know specs of is the HB TEC, and if that is the TEC you are using, then if you were to run it at 19v and keep the hotside of the TEC at ~40C you'd have a TEC coldside temp of approx 15C under that 155w heat load. Which should be enough to keep the CPU under ambient at your current CPU settings.

Now if you were considering overclocking you're heatload will increase and the coldside temps will be worse.

For example, if you overclocked your i7 to 4ghz and used a vcore of 1.25v, then it'd put out a heatload of approx 210w - much higher then what you're current setup is putting out.

Using that same HB "300w" TEC at 19v and keeping the hotside of the TEC at ~40C your TEC coldside temp is now going to be much higher, at approx 27C. But that is the TEC colside temp only, and the actual CPU temp would be even higher.

If you were to use 2 of those HB "300w" TECs at 19v and kept the hotside of the TECs at ~40C your TEC coldside temp would much better, at approx 4.5C

At the end of the day, you really need to plan your TEC cooling solution thoroughly to get the best results. You need to ensure you pick the right TECs (and amount of them) to use for the heatload that your CPU will put out, as well as ensure your provide the correct amount of power to those TECs and ensure you can remove enough of the heat from the TEC hostide as possible.

My advice is to have a read of Ultrasonic2's thread regarding his 2x TEC direct CPU solution, or have a read of Elloquin's "stacking" thread where his stacked TEC direct CPU block is achieving almost -50C (unloaded) during his initial tests
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