Hi there. I bought a Cooler Master 212 Evo the other day and just finished installing it. I have the Noctua NH-D14 on hand because I thought I was gonna do some OC, but I ended up not so I swapped it for the 212 EVO. However, I noticed something extremely odd and it's never happened before when I had the NH-D14... my normal idle CPU temps are between 40-43 degrees (Celsius) and with the 212 EVO installed right now, just opening up a simple Google Chrome page makes it spike up to 48 degrees. Is there something wrong with the cooler? Should I go back to the NH-D14? I'd like some help on this. =/ Thanks in advance!
Solution
I'm familiar with the 212 Evo but not the Noctua cooler. Try removing the 212, clean the cpu and cooler of all thermal paste. Reapply thermal paste to the cpu and re-set the 212 Evo. If the temps dont change. it could just be that the Noctua has a bigger radiator or has better parts to dissipate heat better.
Snipergod87
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ThatVietGuy
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NO IT ISN'T!!!!!!!!! Read my frickin' post again! >_< I said, and I quote, "I noticed something extremely odd and it's never happened before when I had the NH-D14... my normal idle CPU temps are between 40-43 degrees (Celsius) and with the 212 EVO installed right now, just opening up a simple Google Chrome page makes it spike up to 48 degrees." Learn to read.
TechyInAZ
Titan
Ok guys, calm down!!!
What temp software are you using? Is it a specific core that is getting to 48C?
What temp software are you using? Is it a specific core that is getting to 48C?
I've always been using CPUID HWMonitor. And no; it's the part where it says "package" I'm assuming the the whole CPU itself, right? Every other core is between 35-41 degress at idle. Either way... I've never ever gotten this problem before and I've had the Noctua NH-D14 installed for 4 months and never had a spike that high with opening a simple webpage. Idle temps always stayed between 40-43 all the times. I only got the CM 212 EVO to replace the Noctua NH-D14 because I wasn't gonna OC, after all. It was such a hassle to install the 212 EVO, but when I got everything back together and fired it on, I immediately opened up CPUID HWMonitor and a webpage and noticed my idle temps went from 41 straight up to 48-50 for like 2 seconds and then back to 44 (which is still 2 degress higher than when I had the NH-D14 installed) Maybe I put on a little too much thermal paste? I'm not sure if I did or not. =/
johnnyb105
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The 212 isn't as good as the NH-D14 there no comparsion between the 2 the 212 evo is a fine cooler for what it is but if you want temps of the NH-D14 you need to put it back on and replace the fans with ones that are quiet and if you put too................ much THERMAL PASTE ON you make the temps go higher thus your overworking the entire cooling system you only need a pea size drop if that on your cpu... BTW WHAT ARE YOUR SPECS DONT SEEM TO SEE THEM POSTED HERE HELP US HELP YOU!
johnnyb105
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I'm pretty it doesn't matter if I had the NH-D14 or the 212 EVO on... the idle temps shouldn't spiking an extra 8 degress JUST from opening up a simple webpage.
That's just retarded. And I don't have any extra fans to replace the ones that came with the NH-D14, by the way. I'm in the process or removing the 212 EVO and reapplying the thermal to see if that helps solve the problem. I originally bought the Noctua NH-D14 in hopes I'd OC my CPU, but I ended up not doing it. The Noctua fans are way too loud so because I wasn't gonna be OC'ing, and wanted something smaller I decided to buy the 212 EVO to replace it. Enermax Ostrog GT mid tower
i5-2500k @3.3Ghz
ASRock Z75 Pro3
MSI Nvidia 560Ti Twin Frozr III @1GB
G.Skill 8GB @1333Mhz
Antec 650W
320GB HDD
UPDATE: Reapplying the thermal paste did not solve the issue. I'm thinking that there's something wrong with the heatsink itself cause I've never had this problem regarding the temp spikes when I had my NH-D14 installed. Think I'm just gonna try that out and let you guys know if it resolves the problem.
Snipergod87
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Temperature spikes are created by a sudden increase in processor activity as the core has to work for a moment then they drop back down. I am not sure why you say your NH-D14 is loud as it is an extremely quiet cooler and if you customize the fan speeds in the BIOS you will not be able to hear them. How did you have them plugged into the board? Using the CPU FAN header(s) or something else like connecting to a SATA or Molex connector. Even my Hyper 212+ can be quite loud until my custom fan speed profiles kick in after Windows loads.
They're plugged into the CPU_FAN headers, only one of them seems to work with the fan control in the BIOS, while the other one is always at full speed. I have the fan speeds in the BIOS set to level 1 and it's set to speed up only if the temps exceed past 45 degress. There's a 4-pin and a 3-pin header for the CPU fans. My two fans don't seem to be able to be controlled in the BIOS at the same time. Just one of them seems to be. Is it because there's only one 4-pin CPU fan header? What if I used a splitter for both CPU fans and plug that into the 4-pin CPU fan header? Would that work so both fans can be controlled? Or no? One is at full speed while the other is being controlled by my BIOS. They are loud to me. Maybe I'm just picky on the noise levels? I don't know. All I know is that I can still hear them in my case.
Also, just letting you know that I have the ASRock Z75 Pro3 mobo so it'll give you an idea of what my BIOS is. But like I said, only one of my CPU fans seems to work with the fan control in the BIOS.
I had a similar issue when using the 212. I never had big jumps until I used that cooler.. I'm now using a d15 and it doesnt do that. In the past ive used a h100i the temps never bounced around at idle. I personally think some of the 212s have alot of valleys or something to cause it. Mine would go from 28-46 just at idle every second. Tried to reseat it several times. as soon as I switched coolers to the d15 it returned to normal and stopped jumping.
Yeah. Well, I reinstalled the NH-D14 and I have a slight problem. =/ Both my Noctua fans are plugged into the CPU_FAN headers, only one of them seems to work with the fan control in the BIOS, while the other one is always at full speed. I have the fan speeds in the BIOS set to level 1 and it's set to speed up only if the temps exceed past 45 degress. There's a 4-pin and a 3-pin header for the CPU fans. My two fans don't seem to be able to be controlled in the BIOS at the same time. Just one of them seems to be. Is it because there's only one 4-pin CPU fan header? I no longer have the low-noise adapter that came with my cooler because I can't find it anywhere. =/ What if I used a regular y-splitter for both CPU fans and plug that into the 4-pin CPU fan header? Would that work so both fans can be controlled? Or no? One is at full speed while the other is being controlled by my BIOS. They are loud to me. Maybe I'm just picky on the noise levels? I don't know. All I know is that I can still hear them in my case.
Also, just letting you know that I have the ASRock Z75 Pro3 mobo so it'll give you an idea of what my BIOS is. But like I said, only one of my CPU fans seems to work with the fan control in the BIOS.
I wouldn't worry too much about having both fans. 1 should be good enough if you are not OCing. Personally I like background noise. But it honestly should be pretty quiet noctua makes very quiet stuff. If I were you i'd put the working fan in the middle so it pulls from the back and pushes through the other heat sink out the back of the case
Snipergod87
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The single 140mm fan would be enough, in the bios you should be able to link one of the motherboard 3pin headers to the CPU fan. Noctua also includes low noise adapters which are inline resistors on small extension cables which will drop fan speed even more.
I don't think a Y splitter on a PWM fan would work well but I haven't tried. Since you aren't OCing either the single 140mm fan in the middle or use the low noise adapter on the fan connected to the 3pin
I don't think a Y splitter on a PWM fan would work well but I haven't tried. Since you aren't OCing either the single 140mm fan in the middle or use the low noise adapter on the fan connected to the 3pin
Well, as it turns out, it really doesn't matter which cooler I have installed. Either the 212 EVO or the NH-D14; there's always gonna be a spike in temps. I reinstalled my 212 EVO and I don't see a difference cause it'll spike for a second or two no matter what cooler I have in my PC. Someone here said, and I quote, "Temperature spikes are created by a sudden increase in processor activity as the core has to work for a moment then they drop back down." I noticed that opening something like a webpage or my League of Legends client that the temps would momentarily spike and then just drop back to normal. I guess the only reason why I never noticed it before, with the NH-D!4 installed, was because I never really had CPUID HWMonitor open when I was opening a webpage, game client, etc etc; but open on everything else so I thought my temps were always around the 40 degree mark all the time. I guess it was something I should have paid more attention to.
So I have my 212 EVO reinstalled and it's running smoothly. It's definitely not as loud as my NH-D14 because it only has the one fan. Plus the fan is running at 900 RPM at level 1 speed in BIOS. Plus my BIOS fan control is set to speed up my fans if my temps exceed 45 degrees. Also it's more quieter simply because the NH-D14 ran two fans at a total of a near 2000 RPM, while the 212 EVO has one fan running at 900 RPM. So that really makes a difference for me. 
The only thing that I noticed is that my temps stay at 44-46 degrees, in which case my fan speed till go up cause it goes past 45 degrees, and seems to take a very long time to go back down below 45. I ramped up the fan speed to 1200 RPM and it didn't change much. =/ What is the danger temps for a i5-2500k? If my temps aren't anywhere near that, cause they're between 43 - 46 on idle, then should I be worrying so much?TRENDING THREADS
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