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Phanteks PH-TC14PE - 80C when running Prime95 - Page 2

post #11 of 91
Quote:
Originally Posted by forbjok View Post

EDIT:
Honestly, when the stock cooler reaches 80C in less than 10 seconds, how high would it go if left running?
That shouldn't even be enough time for the air inside the case to heat up.
Is it even reliably usable at all, under any circumstances?

Your OP says
Quote:
At idle, the temperatures are acceptable, but not great (~33C), but when I start Prime95 in "blend" mode, it slowly climbs to around 80C after half an hour or so.

33c is no problem at idle... That's 8-10c delta.

But which is it??? 80c in less than 10 seconds or slowly climbs to around 80C after half an hour or so???

What rpm are fans running?
Edited by doyll - 8/23/12 at 1:51pm
post #12 of 91
Thread Starter 
If the problem is a lack of intake, I might consider getting one or two additional 140mm fans.
I'm unsure if it will be possible to mount one in the bottom without coming into conflict with the PSU, but there should be room for another in the front, and I believe there is room for 2 at the top and one in the side panel.

I'm somewhat skeptical about removing the noise reduction material in the side panel though.
One of the main reasons I got the R4 (and the Phanteks cooler too) was that they are supposed to be very quiet.
Quote:
Originally Posted by doyll View Post

Your OP says
33c is no problem at idle... That's 8-10c delta.
But which is it??? 80c in less than 10 seconds or slowly climbs to around 80C after half an hour or so???
What rpm are fans running?
Yes, I know 33C at idle is no problem. That's fairly normal, even for most other processors I've had. It's the 80C+ I don't like.

80C in less than 10 seconds was with the stock Intel cooler that came with the processor. I knew they weren't very good, but that the difference would be that huge I did not expect. With the Phanteks, which I have now remounted, it climbs slowly to 80C over half an hour or so.

Both fans are running at just over 1200rpm according to the Asus AI suite.
Edited by forbjok - 8/23/12 at 2:03pm
post #13 of 91
Only reason I have rear exhaust is for airflow over motherboard, not to cool case. I use intakes to push air through case.



Only thngs missing are bottom fan and side cover.
post #14 of 91
Quote:
Originally Posted by forbjok View Post

If the problem is a lack of intake, I might consider getting one or two additional 140mm fans.
I'm unsure if it will be possible to mount one in the bottom without coming into conflict with the PSU,

If your PSU is not more than 170mm long you can put a 140mm fan in bottom.

but there should be room for another in the front, and I believe there is room for 2 at the top and one in the side panel.

Don't need fans in top or side panel

I'm somewhat skeptical about removing the noise reduction material in the side panel though.

Top vents open isn't much more noise, but side panel open is.

One of the main reasons I got the R4 (and the Phanteks cooler too) was that they are supposed to be very quiet.

It is same design as R2 and R2 is quiet. The loudest thing in my is Corsair TX750 PSU
.
post #15 of 91
Thread Starter 
Upon closer inspection, it does look like it should be possible to install a fan in the bottom.
I thought the PSU's modular connectors were lower down, but they are actually near the top, so there should be enough space for a fan.
How much difference do you think it would make to put in a fan there?
Would it be better to move the current rear-fan down to the bottom as an intake?

I removed the pads from the top vents.
It might have improved the temperatures slightly. It currently seems to be running at 76-80C.
I'm not 100% sure if that's because of an improvement, or if the room temperature is just lower now.
post #16 of 91
Have you tried moving your rear exhaust to front or bottom intake yet? If you put it in bottom you can just lay it in. Do raise your case up on some blocks so bottom fan can get air easier. Caster base serves 2 purposes; makes moving case easier and give fans better airflow. My basic rule of thumb is either blade length or 1/2 of fan diameter clearance in front and behind fan for easy airflow. Most case vents restrict 20-30%. wink.gif

My hypothesis is with decent fans there is little need for exhaust fans. Same principle as coolers. Push air in and it exhausts itself.
post #17 of 91
Quote:
Originally Posted by damric View Post

These are typical results when you buy a case based on looks, instead of cooling ability.
You could go for a much much cheaper CM HAF 912, fill all the fan slots, and have much better temperatures. These big air coolers really need lots of case flow. Your case, probably better to water cool.

Just because a case is sold with few fans doesn't mean it's not a good case. rolleyes.gif
post #18 of 91
Quote:
Originally Posted by forbjok View Post

All clocks and voltages are at stock values, as I have not changed them. (unless they are incorrect by default)

might want to go into bios and pull those numbers for us biggrin.gif it does NOT sound like stock values if you are getting those temps from a phantek smile.gif

maybe you got sold a RMA board where the previous owner was doing some serious tweaking before returning it.

i do not own an ivybridge, but i seriously cant see those temps when you are using a phantek
post #19 of 91
Quote:
Originally Posted by psyclum View Post

i do not own an ivybridge, but i seriously cant see those temps when you are using a phantek

Agree. thumb.gif
I was thinking same thing but with my limited knowledge was hesitant to say anything.
post #20 of 91
Thread Starter 
Quote:
Originally Posted by psyclum View Post

might want to go into bios and pull those numbers for us biggrin.gif it does NOT sound like stock values if you are getting those temps from a phantek smile.gif
maybe you got sold a RMA board where the previous owner was doing some serious tweaking before returning it.
i do not own an ivybridge, but i seriously cant see those temps when you are using a phantek
Even if it was an RMA board (which I think is very unlikely), I flashed the BIOS to the latest version and loaded defaults as pretty much the first thing I did after booting it up. If anyone had been messing with the settings, the changes should be gone anyway.

Also, due to the extreme temperatures with the stock cooler, I began to suspect the CPU being defective, and information I've gotten from a post I made about that on a norwegian hardware forum indicates that these temperatures are not at all normal, so I e-mailed the webshop I purchased it from. Long story short, they agreed that the temperatures were abnormal, and told me to request an RMA, which I have done.

I'm ordering a new CPU of the same model, and while I'm at it I'll probably order some additional case fans.
I was thinking of ordering 2 x Fractal Design Silent R2 140mm fans (FD-FAN-SSR2-140) to put as a rear exhaust fan (I moved the original one to the bottom as an intake), and an additional front intake.
Does this sound like a good idea, or should I get more fans? (only other available mounts aside from the side door would be the top ones I think, and I'm not sure if there's any point in putting fans there)
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