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2x50mm TEC's Direct Die by Ultrasonic2

 
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post #81 of 256 (permalink) Old 02-28-2010, 11:31 PM
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So, I'm trying to do a 4.83ghz 5 minute test to show temps but the loop is getting very very hot... 54'C water temp coming off the hot side of the tec and 50 coming out of the rad, so not cool at all.

That being said, at 4.83 the vcore is at 1.60 and during prime95 the CPU is pulling 310-320A so basically 500W+ and it is not surprising that this is at the limits of the TEC itself. If the water temps were stable at 30'C the CPU would be at 42'C with the TEC's at 12V. However as the water temps go up, so does the CPU temp, and the tec's are at peak efficiency when their hot side is around 25'C, not at 50+.

So the answer is better 140M fans for now and possibly a second rad.

having a 3x140 trying to dissipate almost 1kw of heat energy wasn't a great choice in hindsight. Reading through pneumonic's thread and seeing what sort of temps he's getting. This block def. outperforms the single 62, esp. at low volts.

But, that isn't a shortcoming of the block, so far the temperature differences are bang on with the wattages. At 180W tec power and 180W of cpu power, the cpu temps are significantly below the loop temperature (about 20'C below), which means they are operating at way more than 1:1 efficiency at this voltage.

Caps lock is like cruise control for cool.

i7 920 d0 at 4.83ghz at 22'C ;D

Temps controlled by UltraSonic2's 2x50mm TEC waterblock.

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post #82 of 256 (permalink) Old 03-01-2010, 12:02 AM - Thread Starter
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GREAT TESTING !

Well you'll definitely want some of my 300qmax TEC's DONT you ?

and based on the water temp difference in your loop you need another pump and at least some 1/2 descent fans !

in my opinion you've tested the worst case scenario .. lower wattage TEC's and only 1100 rpm fans. SO i think it's done a great job ?

No one as far as i know has ever run one of my 62mm blocks ?

Awesome testing keep it up
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post #83 of 256 (permalink) Old 03-01-2010, 12:16 AM
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Originally Posted by Ultrasonic2 (muffy) View Post
GREAT TESTING !

Well you'll definitely want some of my 300qmax TEC's DONT you ?

and based on the water temp difference in your loop you need another pump and at least some 1/2 descent fans !

in my opinion you've tested the worst case scenario .. lower wattage TEC's and only 1100 rpm fans. SO i think it's done a great job ?

No one as far as i know has ever run one of my 62mm blocks ?

Awesome testing keep it up
I thought you ran it on your q6600?

Anyways, when you shipping me some 300W TEC's I'm hungry for 5ghz. Only beef is that the voltage they require... I think my power supply would take a **** if I asked it to do 36V and 20+A. I'd need get one of these bad boys: http://cgi.ebay.com/ws/eBayISAPI.dll...=263602_263622 (and some ear plugs).

edit: actually this might do and the price is definitely right (even has voltage adjust and current limiter on it!). http://shop.vendio.com/Evan2002/item.../?s=1267347362

Caps lock is like cruise control for cool.

i7 920 d0 at 4.83ghz at 22'C ;D

Temps controlled by UltraSonic2's 2x50mm TEC waterblock.

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post #84 of 256 (permalink) Old 03-01-2010, 12:21 AM - Thread Starter
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o yeah i did . but thats hardly a fear comparison ... it doesn't matter though the 50x2 block will always win hands down
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post #85 of 256 (permalink) Old 03-01-2010, 12:22 AM
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Getting impatient are we? . Very nice testing indeed.

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post #86 of 256 (permalink) Old 03-01-2010, 12:38 AM
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**** it i'm hooking up my 18000btu air conditioner and putting the rad right on top of the cold vent on it.

my electricity bill is going to be mental. If I don't post for the next while its because of an electrical fire.

Caps lock is like cruise control for cool.

i7 920 d0 at 4.83ghz at 22'C ;D

Temps controlled by UltraSonic2's 2x50mm TEC waterblock.

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post #87 of 256 (permalink) Old 03-01-2010, 01:07 AM - Thread Starter
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i've had an electrical fire before.

i did a hard mod one one of my mother boards and the PSU caught fire !
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post #88 of 256 (permalink) Old 03-01-2010, 01:11 AM
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**** it i'm hooking up my 18000btu air conditioner and putting the rad right on top of the cold vent on it.

my electricity bill is going to be mental. If I don't post for the next while its because of an electrical fire.
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post #89 of 256 (permalink) Old 03-01-2010, 05:47 PM
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me=insanely jealous.

although its best to leave this kind of stuff to the guys that know exactly whats going on.

in short, guys like yall. i dont think ill ever need anything like that just to get my COD fix.

great work. i'm just curious on the total cost of that cooling setup TG
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post #90 of 256 (permalink) Old 03-01-2010, 09:54 PM
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me=insanely jealous.

although its best to leave this kind of stuff to the guys that know exactly whats going on.

in short, guys like yall. i dont think ill ever need anything like that just to get my COD fix.

great work. i'm just curious on the total cost of that cooling setup TG
Not that much more than a traditional watercooling setup, the block and the power supply basically. The best part is, even with the tec's completely off, it still runs about as well as it did on air with a TRUE before.

Caps lock is like cruise control for cool.

i7 920 d0 at 4.83ghz at 22'C ;D

Temps controlled by UltraSonic2's 2x50mm TEC waterblock.

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