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2 Questions about liquid CPU cooling.

post #1 of 12
Thread Starter 
Hey guys,
I am currently getting ready to build my first computer, I have already bought a few components but still have a few left that I need to buy, one of the most important pieces being the CPU cooler.
So I have 2 questions for you guys, sorry if these sound stupid but as I have said before, this is my first time building a PC!

1. Is it required for me to use the fan that comes with the liquid CPU cooler (more specifically the H60 from Corsair) or can I use the stock fan that is already in my case and just stick the radiator directly on the stock case fan?

2. If I have to use the fan that comes with the CPU cooler, does it have to fit the size of my fan in the case as is? Because currently I am looking at the Corsair H60 which comes with a 120MM fan and my case itself has a stock fan of 140MM, so I was wondering if indeed I have to use the fan this thing comes with, will it fit or do I have to get a liquid CPU cooler that comes with a bigger fan?

Thanks for reading guys.
post #2 of 12
You don't need to use the fan that comes with the CPU cooler, but you will need to either use one that matches the size of the fan meant for the case, or a different size CPU cooler.


So that gives you 2 options:

1) Use a cooler that has a radiator that is 140mm in size

2) Use a 140mm to 120mm fan shroud / adapter

Have a look around, there should be plenty of options available from different retailers.

Personally I would go for the option of a larger radiator.
post #3 of 12
No, you do not have to use the fans that come with the cooler. When I purchased my H70 I swapped out the fans and it made a huge difference in terms of sound.
post #4 of 12
You could look at a H90. The same design as the H60 just a little big bigger radiator. H90 140mm vs H60 120mm radiator
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post #5 of 12
Thread Starter 
Thanks for the quick responses guys, I am looking at the H90 and I may get it and just keep the stock fan on, I am not interested in this ****ty Corsair fan.
post #6 of 12
Quote:
Originally Posted by Imperious View Post

Thanks for the quick responses guys, I am looking at the H90 and I may get it and just keep the stock fan on, I am not interested in this ****ty Corsair fan.

The "****ty corsair fan" is probably quite a bit better than the stock case fan. The big thing about radiators is the create a lot of resistance. So lets say I buy a really nice case fan that puts out 150CFM, and stick it on a radiator but the fan only has .6mmH2O of Static pressure. You're going to have about little no to no airflow coming out the other side of the radiator. Assuming the Corsair fan is the Corsair SP-140 performance edition then I can guarantee you it will work a LOT better than the case fan you have.

The thing about water cooling, is the fan's flow rate isn't nearly as important as it's static pressure, in most cases. Always look for static pressure > flowrate in radiator fans.
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post #7 of 12
The stock Corsair fans that come with Hxx sets are actually tuned for high-pressure environments. They're supposed to be used for radiators rather than airflow. They can get loud at high RPMs though, but no doubt it'll outperform your stock case fan.
post #8 of 12
Quote:
Originally Posted by ZytheEKS View Post

The "****ty corsair fan" is probably quite a bit better than the stock case fan. The big thing about radiators is the create a lot of resistance. So lets say I buy a really nice case fan that puts out 150CFM, and stick it on a radiator but the fan only has .6mmH2O of Static pressure. You're going to have about little no to no airflow coming out the other side of the radiator. Assuming the Corsair fan is the Corsair SP-140 performance edition then I can guarantee you it will work a LOT better than the case fan you have.

The thing about water cooling, is the fan's flow rate isn't nearly as important as it's static pressure, in most cases. Always look for static pressure > flowrate in radiator fans.

The way i understood it was he was talking about his crappy corsair case fan, not the corsair H90 corsair fan
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post #9 of 12
Quote:
Originally Posted by Namkab View Post

The way i understood it was he was talking about his crappy corsair case fan, not the corsair H90 corsair fan

According to his original post he was talking about removing the radiator fan, and screwing it into the case fan.
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post #10 of 12
Thread Starter 
Sorry if my comment offended anyone, I didn't mean to sound like I was trashing the Corsair fan, I was talking about sticking the radiator directly onto the stock fan on my case.
I am probably going to just use the Corsair fan after looking into it a little further.
If anyone was wondering, my case is a NZXT 820.
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