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795 posts

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#195344 16-Apr-2016 18:32
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Hi all

Looking for a water cooling kit ( similar to this http://www.amazon.com/Corsair-Hydro-Liquid-Cooler-CW-9060010-WW/dp/B009VV56TY/ref=sr_1_1?ie=UTF8&qid=1460787976&sr=8-1&keywords=computer+water+cooling+kit )

Currently have a super micro x7dbe motherboard with dual E5420 harpertowns. These sockets are LGA771.
Can't seem to find any that fit LGA771 sockets.

CPU's are sitting at 55C ...nothing is happening on the freenas machine, sitting at 9%.
Have installed 3 front fans(desktop chassis, cool master haf 935) 2000rpm each. Exhaust fan is 1200rpm

Thanks




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  #1534132 16-Apr-2016 21:04
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Do you really need water, or do you just need effective air cooling? Have you taken the heatsink off the CPU, cleaned it, put on new heat paste, and tried again? Also three input fans and one smaller output fan doesn't sound right.




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Ultimate Geek

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  #1534133 16-Apr-2016 21:13
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Yeah cleaned the CPU's and put new thermal paste.
The fan setup not ideal for positive air pressure?

3 x in fans 2000rpm, 120mm
1x out fan 1200rpm, 120mm

Heat/air can also be pushed out the top of the chassis




 
 
 
 


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  #1534141 16-Apr-2016 21:34
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BinaryLimited: Yeah cleaned the CPU's and put new thermal paste.
The fan setup not ideal for positive air pressure?

3 x in fans 2000rpm, 120mm
1x out fan 1200rpm, 120mm

Heat/air can also be pushed out the top of the chassis

 

Please forgive an obvious question, but is the "out" fan actually blowing in the right direction?

 

(I got caught that way once - embarrassing undecided)





Sideface




795 posts

Ultimate Geek

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  #1534148 16-Apr-2016 21:55
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Sideface:

BinaryLimited: Yeah cleaned the CPU's and put new thermal paste.
The fan setup not ideal for positive air pressure?

3 x in fans 2000rpm, 120mm
1x out fan 1200rpm, 120mm

Heat/air can also be pushed out the top of the chassis


Please forgive an obvious question, but is the "out" fan actually blowing in the right direction?


(I got caught that way once - embarrassing undecided)



Haha, yeah double checked that




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  #1534160 16-Apr-2016 22:50
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Unless you have huge vents, "positive pressure" simply means the fans have to work harder to do their job and are less effective.

Try two fans intake and one out the back, another out the top.

Push-pull balance is the most effective, as it's not a house with humidity, but more like a car radiator, where the more airflow it gets the cooler it can run...

Also, 55c is likely only 20 over ambient on a day like today, and not really a concern... Have you tried tools like coretemp http://www.alcpu.com/CoreTemp/ to really stress the machine for at least 15 mins and see what your temps max out at? Back in the day I was O/C'ing all my machines, this was the only really useful way to see what really mattered, as when your machine is running "flat out" if it's still something decent like 75-80 then you're likely fine for normal use and still OK when flogging the beast too!

Also, is it in a cupboard, under a desk in the corner, or in the roof space by any chance? Cooling can only work with the difference between the heats ink and ambient temps, and the greater the difference, the easier it is to cool.

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