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Triple peltier chiller - Page 28

post #271 of 748
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With that I read it and I didn't really see any reason to buy a £35-50 tec over a £5-8 tec plus I need 2 peltiers cheap one and expensive one that are same power and test them with a margin of 4°c due to thermal past will never be the same but I still don't see any real reasons to buy 6 tecs at £40-$70 each when I can buy 6 for £4 each yea bit more power and heat used but that's it
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post #272 of 748
I get my TEC1-19912 for less than 6.5USD biggrin.gif fully blooded made in China
post #273 of 748
Thread Starter 
Yea china cheap that will be fake anyway but a real USA made tec real quality built but I don't see why there 10x more then my 250w tecs
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post #274 of 748
Well, if you say performance per dollar. China peltiers are king.
1.1USD for a tec1-12706
Same with the waterblocks. lol less than 11USD for a block that fits 6 peltiers redface.gif

I also had no plorbems with my 19906, not like its not outputing any cooling at all.
Its doing a great job

Just If your woundering, I think there are sites that ship to over seas. So you could get them for simular price tongue.gif
Edited by Iwamotto Tetsuz - 11/10/15 at 11:22am
post #275 of 748
headscratch.gif
Quote:
Originally Posted by Iwamotto Tetsuz View Post

Well, if you say performance per dollar. China peltiers are king.
1.1USD for a tec1-12706
Same with the waterblocks. lol less than 11USD for a block that fits 6 peltiers redface.gif

I also had no plorbems with my 19906, not like its not outputing any cooling at all.
Its doing a great job

Just If your woundering, I think there are sites that ship to over seas. So you could get them for simular price tongue.gif
    
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post #276 of 748
More peltiers means more performance, undervolt or full speed no matter any setting
post #277 of 748
Thread Starter 
Yea my tecs n water blocks are from China Aswell! I ment like there saying there better then the same made tecs just stamped saying there better even though there the same inside as I actually made that same thing n there wasn't a difference between the 2 biggrin.gif but yea I ment them USA ones there bigger I didn't see they was 256w qmax 62mm 720w power haha I might buy 4 of them if I get the money and run them half there power then a direct die do a cascade then run a few rads to keep it all nice and cool tongue.gif
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post #278 of 748
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I dunno..
Quote:
Originally Posted by Elloquin View Post

headscratch.gif
[/quote
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post #279 of 748
Quote:
Originally Posted by lzf995 View Post

Yea my tecs n water blocks are from China Aswell! I ment like there saying there better then the same made tecs just stamped saying there better even though there the same inside as I actually made that same thing n there wasn't a difference between the 2 biggrin.gif but yea I ment them USA ones there bigger I didn't see they was 256w qmax 62mm 720w power haha I might buy 4 of them if I get the money and run them half there power then a direct die do a cascade then run a few rads to keep it all nice and cool tongue.gif

I think the thing that makes the diffrence is the plate that goes into contact with the cooler. I rember I saw some online with diffrent matterials, and it says it will give better performance thumb.gif
post #280 of 748
I'm really keen to buy a thermonamic TEC with T200 CuSn solder, much better thermal conductivity than standard T100 BiSn solder, also I want one with Aluminium Nitride Ceramic as opposed to the standard Aluminium Oxide, once again much higher thermal conductivity, I got quoted about USD$150+shipping IIRC for one specced like that, USD$40+shipping for a standard one, not sure how much better it would be but the thermal conductivity increase alone would mean you can basically turn your TEC off and it will still transfer the heat from the cold plate through to the water block very well. Now this is speccing the TEC up from thermonamics standard, its about a 4x increase in thermal conductivity of 2 of the most important components in the make up of a TEC, now imagine what no name fake stuff the cheapo TECs are using instead of aluminium oxide that thermonamic uses standard, I can imagine it isn't specified on any data sheet and hasn't been selected for optimal performance.

Judging from how bad my little cheapo 12715 is struggling to transfer the heat when my CPU is at 100% load when heavily OC'd I'd imagine it is more likely that my cheapo TEC is not up to snuff more so than my Thermal Grizzly Kryonaut TIM and my water block mount. Baring in mind, I bought a 12715 based off of my calculations from customthermos 12715 data sheet, so I can guarantee it won't perform as well as customthermos otherwise I'd be able to hold far better temps than I can at load if my cheapo TEC matched the data sheet of customthermos. So I think it is worth spending a bit more coin, maybe not $150 for thermonamics specced up option but certainly about $40/TEC is worth it in terms of overall result, efficiency, delta, longevity, power consumption etc. I'd say the only data that cheapo TEC's actually have on their TEC's is Umax and Imax, the Qmax is already derated from customthermos for my 12715, 132w qmax vs 141w qmax, so delta might not be as good either. I am quite happy I bought this Kryotherm TEC, I just wish I could find something less power hungry with enough qmax in the 40x35mm size that I got this one. Now to find out how well it performs, I haven't got access to a data sheet for this one either, its 111 couples, 13.7v and 23.1amps, so I've derated a customthermo 245w qmax 26amp 15.2v TEC and hope it is similar to that even though the couple count is different and the imax and umax is about 10% more.

Overall though, I'd say quality water blocks and quality TEC's will make all the difference between being extremely effective and just being good enough.

If I had the funds to buy ultrasonics 62mm TEC block that another user just bought I'd probably spend the money on one of those crazy expensive specced up thermonamic units and his block and just run it as a direct die on every PC I buy for the next decade haha.
Edited by LiamG6 - 11/11/15 at 5:08am
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