Questions Regarding CPU Cooling and Case Airflow (Edited)

OneHaplessGamer

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Mar 15, 2016
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*New Edit* I decided to adjust this post for the most part - some questions I was able to answer myself, and some I decided to do away with, but I do have a couple of questions I want to ask regardless.

Hey guys. I've recently got enough money to try and settle an issue I've been having with my computer - because of my less than ideal heatsink and the thermal paste that was used, as well as the barest minimum of case fans, my CPU temps have been a bit higher than I would like. When playing games such as Overwatch with adjusted settings to avoid unnecessary CPU usage (limited FPS to 59, made a minor adjustment to one or two settings that affect the CPU to have slightly reduced performance) and, a bigger culprit in it all, Grand Theft Auto V and Online, my CPU has hit temps ranging from 60-61C as the range, to as high as 66C - which has me worry about the health of my CPU, though I could also be overreacting about this concern. Anyways... I'll go ahead and post my current specs, then I'll get into my questions. Specs are as follows:

Gigabyte GA 990FXA-UD3 R5 Motherboard
AMD FX-8350 CPU (stock settings), current with a Cooler Master GeminII S524 Ver. 2 heatsink (thermal paste/grease used was the paste that came with it - i.e. Cooler Master brand, which I heard less than ideal things about in terms of quality)
Radeon RX 480 (8 GB - XFX)
x2 Corsair Vengeance Pro 8GB (16 GBs RAM)
PNY 240GB SSD
Toshiba DT01ACA200 2TB HDD 7200 RPM
Seagate ST1000DM003 HDD 7200 RPM
EVGA 600W Bronze PSU
Case - Cooler Master Elite 431 Plus Mid Tower with a disk drive (came with the computer when I bought it)
Three Thermaltake RGB fans, 120mm - One acting as an intake, one acting as an exhaust, and one acting as the CPU fan until the GeminII S524 Version 2 is replaced - all three fans connected via CPU Fan header

This is where my questions change up - a lot of them seemed... unnecessary - pointless really, I'll be honest with you guys and myself here - apologies by the way.


So, in the case of an AMD FX 8350, or any AMD CPU that generates a lot of heat (FX-8350, 8370, 9000s, etc.), what would be some of the most recommended options for a heatsink that would allow for optimal airflow while keeping the processor as cool as possible, be it stock or overclocked performance? I've heard both on previous posts here and on other forums that some air coolers have the potential for use on overclocked CPUs, but when people talk about overclocking they usually bring up water-cooling.

Some of the air coolers I've seen such as the R1 Universal which caught my eye and the Cooler Master V8 GTS look to be rather powerful and, at least from what I read about the R1 Universal by Cryorig at least, can perform rather well, but the size of each cooler has me wonder how much airflow the case would have with such large coolers and, in turn, how temperatures would look for a mid-tower rig with such large air coolers installed while the weight of those named coolers has me asking myself 'Would the two to three lb range have any negative impact on a motherboard, even if properly secure?'. In addition, would an air cooler have a positive or negative impact on the temperatures of surrounding components such as the video card?

Then there's an AiO water cooling system route my brother suggested to me, and has been suggesting, the Corsair H100i GTX, which I believe I mentioned previously - both for stock performance and the possibility of overclocking. However, I've read about the downsides of water cooling systems, including AiO's, namely the multiple points of failure in the pump and the radiator's fans, as well as the chance of leaking - some people even mentioning one of their tubes coming loose and causing said leaks. What is the chance of an All-in-One water cooler leaking - especially the GTX if anyone who owns or previously owned this specific model - and what are the chances of a pump failure as well, if anyone knows?

Finally, in terms of optimal airflow for the case, what is recommended? A balance of intakes and exhausts, more intakes than exhausts, more exhausts than intakes? What sort of pressure, and how much impact would different types of pressure have on the overall performance of a rig?
 

OneHaplessGamer

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Mar 15, 2016
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Providing a status update right now - my brother and I replace my case fans and the fan of my GeminII S524 V2 with three Thermaltake RGB fans rated at 1500 max RPMs and 22.14-40.6 CFM. The intake and exhaust fans are in the same spots the old ones were at, yet all three are connected via controller - but have been connected to the CPU Fan. My brother made the decision to connect the controller to this part of the board, which has me feel a bit uncertain though my knowledge regarding air flow and cooling is limited compared to his - each fan it would seem is now running at the exact same speed due to this connection.

Tested last night with the side panel on, temperatures approached 60C after a thirty minute Youtube video, fullscreen, with Steam in the background. Currently testing without the side panel. I'm starting to think the temperatures will truly go down when a new heatsink (whichever would do the best job at maintaining as cool an 8350 as possible - PLEASE, any suggestions would be appreciated) is installed and having the fans on either System Fan header while the CPU fan header focuses on controlling the heatsink alone.

I also found the answer to the height problem - apologies for the noobish question of asking about the dimensions... It seems height won't be too much of an issue for a heatsink - my case can handle a maximum heatsink height of 192mm it seems.
 

OneHaplessGamer

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Mar 15, 2016
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Adjusted the majority of the topic - sorry for most of the previous questions. Some stuff I answered myself, but a few questions are bothering me about how to approach the cooling of my processor and how much impact each route has on my whole rig.
 

OneHaplessGamer

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Mar 15, 2016
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I know it seems doubtful there will be any responses to this (I guess I deserve it for being so indecisive about this subject for as long as I have), but I just thought I'd update with this post.

So right now, I'm a bit unsure about the H100i GTX (or any AiO water cooler). My brother has sworn by this AiO, but a number of you have said a CLC is unable to outperform an equally (or almost equally) priced air cooler. Why is that, even if water cooling is considered to be more efficient due to using both a liquid (coolant) to transfer heat from the waterblock to the radiator and then air via the fans to dissipate the heat from the radiator?

Also, would a $80-90 or so air cooler be considered overkill (such as the Cryorig R1 Universal), or are there other air coolers that can outperform such coolers? I was looking around on another site and someone mentioned the Scythe Fuma, which seemed interesting. I was also able to find two reviews for the R1 Universal and the Scythe Fuma in question, both of which were tested on an AMD FX-8350 on stock clock speeds (4.02 MHz), a low overclock (4.2 4.22 MHz), and a medium overclock (4.42 MHz) Both seem rather promising, though the weight of Cryorig cooler is greater than the Fuma.

R1 Universal review: http://www.dvtests.com/cryorig-r1-universal-test-review/
Fuma review: http://www.dvtests.com/scythe-fuma-test-and-review/

Would either of these be considered a solid option for cooling an 8350 processor be it OC'd or stock performance, or is there a recommended cooler that would keep things even cooler (preferably not an extremely heavy cooler, though if the motherboard can handle such weight it'd be a necessary sacrifice)? I'm still looking around at good examples, but I just thought I would ask.

And another question I just figured would be best to ask here - would a heatsink that has its fan(s) aligned with the rear exhaust case fan improve case airflow, or would the only way to improve it be additional case fans?