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post #11 of 17
I don't agree that 'higher CFM is needed for low FPI rads'.
It is true that static pressure is less important with low FPI rads.
Low FPI rads are designed to work with quieter fans typically 1000 to 1200 RPM, maybe up to 1500 RPM with 11 FPI. Of course, they will work fine with faster fans. But its not really what they are designed for, meaning they dont really take advantage of the increased airflow the way a high FPI rad would.

I've used sickleflows, they look nice and work ok, but no way are they 19db. 3 of these being fed 12v and you will definitely hear them. Even to my aging tinnitus afflicted hearing these are a bit too loud to have sitting on the desk next to me for very long. Thats a strictly personal opinion of course.
Use them by all means, but consider a fan controller to connect them to.

This is worth reading
http://martinsliquidlab.i4memory.com/Radiator-Fan-Orientation-And-Shroud-Testing-Review.html
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post #12 of 17
Quote:
Originally Posted by DiHyMo View Post

I don't agree that 'higher CFM is needed for low FPI rads'.
It is true that static pressure is less important with low FPI rads.
Low FPI rads are designed to work with quieter fans typically 1000 to 1200 RPM, maybe up to 1500 RPM with 11 FPI. Of course, they will work fine with faster fans. But its not really what they are designed for, meaning they dont really take advantage of the increased airflow the way a high FPI rad would.
I've used sickleflows, they look nice and work ok, but no way are they 19db. 3 of these being fed 12v and you will definitely hear them. Even to my aging tinnitus afflicted hearing these are a bit too loud to have sitting on the desk next to me for very long. Thats a strictly personal opinion of course.
Use them by all means, but consider a fan controller to connect them to.
This is worth reading
http://martinsliquidlab.i4memory.com/Radiator-Fan-Orientation-And-Shroud-Testing-Review.html

This may be a bit better, especially since your link is broken.
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post #13 of 17
Thread Starter 
Thanks for the link guys. I think I might just cave and end up getting the Gentle Typhoons.
Would you recommend the AP-15s then, or would it be better to stick with the 14s?

Noise really isn't too much of an issue for me because I had a long time dealing with the stock air cooler on my CPU and how it used to scream at me during the summer months tongue.gif
I wouldn't like to have to deal with that again, but I think you get the idea.

I think I'm also gonna bite and get the new top panel that supports the 360 when I get paid next week.

Upgrades to my rig by the end of the month and WC stuffs coming in April thumb.gif
It's gonna be a fun spring...
Edited by Big Shabazz - 3/11/12 at 9:18pm
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post #14 of 17
AP14s are definitely quieter than 15s.
If you use AP15s on a low FPI rad you will only need them on one side. Perhaps this is also true of the AP14s, certainly it is true on 7 FPI rads like the RX.

Having said that I have AP13s and AP14s in push/pull on XSPC RX rads. Not really necessary but works mint at an acceptably quiet noise level.

When I first tried GTs I got a pair of each, looked at how much air they moved through the rads I had, and beyond where I was utilizing that airflow, for example to provide airflow over the upper mobo area. And I listened to their noise levels. Doing this allows you to select which best suits your particular needs.
I know, they're not cheap. But there are worse things than having a spare pair of GTs laying about, you will use them sooner or later.

Personally I recomend the AP14s for rads up to 11 FPI.
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post #15 of 17
I recommend AP-15's and a fan controller. That way you can up the speed if needed, but have lower speeds for regular use.
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post #16 of 17
Thread Starter 
Quote:
Originally Posted by superericla View Post

I recommend AP-15's and a fan controller. That way you can up the speed if needed, but have lower speeds for regular use.

I think I might do this. My case came with a sort of 3-speed fan controller than I can use for this. I'm also thinking that I'll just end up flipping the rad in front to have it push air in and take off the pull side of the fans. Going to check height clearance again as well to see if I can fit the same radiator up top. Might be a tight fit though, because it'd be about 9cm with the fan and rad.
Edited by Big Shabazz - 3/12/12 at 9:27am
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post #17 of 17
Thread Starter 
So I ordered 8 AP-15's and a new top panel today. Top panel is for a different model case, but has the same dimensions as mine. Now I just have to cut some openings for the fans once everything gets here and we'll be in business biggrin.gif

New plan now is to mount an EK Coolstream XT 360 rad on the top and an EK Coolstream XTX in the front. Both will be in push config. and blowing into the case (still deciding on push/pull for the front mounted rad, but I have to see if there's that much of a temp difference and if I have enough space). The two extras are for the HDD cage that's going to be mounted on the bottom and another in the back for exhaust.
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