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Will triple triple 40mm rads cool i7 + GTX670 ? - Page 2

post #11 of 30
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Hmm, I could either use a 240mm rad and go passive, or use a bunch of tripe 40mm rads which will use less space and give me better internal airflow.
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post #12 of 30
Rule of thumb is 120mm of rad space per component plus an additional 120mm rad on top of that. And that's with fans on the radiators. I think 240mm passive would give you worse temps than passive air cooling.

My recommendation is to get a low profile CPU heatsink and an aftermarket GPU cool and run them both passive then use a a few fans for intake and exhaust to give good airflow across the heatsinks
post #13 of 30
Thread Starter 
Quote:
Originally Posted by morencyam View Post

Rule of thumb is 120mm of rad space per component plus an additional 120mm rad on top of that. And that's with fans on the radiators. I think 240mm passive would give you worse temps than passive air cooling.

My recommendation is to get a low profile CPU heatsink and an aftermarket GPU cool and run them both passive then use a a few fans for intake and exhaust to give good airflow across the heatsinks

Thanks I'll consider air cooling. I could also try using low profile fans on the 240 rad, but that might be too thick.

I'm pretty sure either way I do it my cooling will be better than those Eurocom laptops (stacked fins and blowers).
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post #14 of 30
Quote:
Originally Posted by morencyam View Post

That picture is from 2007. You can't compare power consumption and heat load of 6-7 years old hardware to that of today
You can't?! the definition of watt is the same today as it was back then power consumed * eff is hardware consumed all that is consumed is converterd to either mechanical energy or heat energy.
There will be little mechanical energy just a tiny 5400rpm drive and some fans most will be simple heat.
If you think that i7 and GTX670 output more than 4,5x the PS3 or Xbox360's heat output you are seriously delusional.
post #15 of 30
One of these Black Ice rads with some slim Gelid or CoolerMaster fans would give you right around the 40mm thickness you wanted
Quote:
Originally Posted by maarten12100 View Post

You can't?! the definition of watt is the same today as it was back then power consumed * eff is hardware consumed all that is consumed is converterd to either mechanical energy or heat energy.
There will be little mechanical energy just a tiny 5400rpm drive and some fans most will be simple heat.
If you think that i7 and GTX670 output more than 4,5x the PS3 or Xbox360's heat output you are seriously delusional.

Because technology changes. A Core 2 Duo E8500 from 2008 has a TDP of 65W and an i7 2600k from 2011 has a TDP of 95W. That's 30W more of heat. It's that simple. Therefore the newer i7 draws more power than the C2D producing more heat. I never said the definition of wattage changes, just the numbers you use in your calculations and measurements. I also never said they would pull 4.5x more power than an Xbox or PS3, so not sure where you got that
Edited by morencyam - 1/12/14 at 9:25am
post #16 of 30
Quote:
Originally Posted by morencyam View Post

Because technology changes. A Core 2 Duo E8500 from 2008 has a TDP of 65W and an i7 2600k from 2011 has a TDP of 95W. It's that simple. Therefore the newer i7 draws more power than the C2D.
Yeah so what are you getting at? Let's say his i7 peaks at 150W and his 670 peaks at 200W those are both exaggerated numbers and the peak will be lower and the average load will be way lower but stay with me. 350W can certainly be removed by those 3 radiators with some low rpm fans. If a single 2x40mm with a bit faster fans can extract enough heat to keep a xbox360 cool enough to run, then 3 3x40mm radiators with slower fans can certainly keep the i7 and the GTX670 cool.
Quote:
Originally Posted by morencyam View Post

I never said the definition of wattage changes, just the numbers you use in your calculations and measurements. I also never said they would pull 4.5x more power than an Xbox or PS3, so not sure where you got that
That 120mm rad per 150W is a rule of thumb for keeping the delta temp low but it isn't because the system won't cope with it unless you live in a 60 degrees Celsius ambient environment.

Well I said 4,5x because you said the i7 + GTX670 does put out more than a Xbox360 or PS3 which is of course correct but since we have 4,5 times the radiator surface aka "relative cooling capacity" than was needed to cool the Xbox360 and PS3 therefore you are indirectly implying the i7 + GTX670 put out more than 4,5x the heat output of a Xbox360 or a PS4.


All that I'm really supporting here is that those radiators can easily keep those components cool and I actually think they could with quite a low delta temp.
Edited by maarten12100 - 1/12/14 at 9:39am
post #17 of 30
You can't go passive with RAD. You will kill your system.
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post #18 of 30
Quote:
Originally Posted by DaveLT View Post

40mm fans have a hell lot more static pressure though. Great for overcoming the restriction easily

Wut?

No.

The 40mm fans he is talking about are barely chipset fans..He is not talking about 40mm thick fans,he is talking about...




That kind of fan.

Personally,I think asking small rads with that kind of pathetic airflow will struggle.....those 3 rads dont even make a full 240 in surface area,coupled with those simply useless fans=not a pretty picture

Quote:
Originally Posted by ZealotKi11er View Post

You can't go passive with RAD. You will kill your system.

Rubbish.

You can go passive,just not with those rads.
Edited by B NEGATIVE - 1/12/14 at 9:46am
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post #19 of 30
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Quote:
Originally Posted by morencyam View Post

One of these Black Ice rads with some slim Gelid or CoolerMaster fans would give you right around the 40mm thickness you wanted

Thanks but no thanks. The inlet and outlets sticks out. The multi port EX240 looks like it would do the job, but my EX360 measures 30mm thick and the outter cover can't be removed.

Regardless of what I'm going to use for cooling, I'll stick a few of these blowers inside my box to make sure the VRMs and RAM runs cool: http://www.newegg.ca/Product/Product.aspx?Item=N82E16835119145
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post #20 of 30
let's agree to disagree and call it a day. You think they'd work fine and I don't, unless I see testing numbers that prove me wrong
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