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i5-2500k temps too high...?

post #1 of 21
Thread Starter 
I have an RS240 cooling an i5-2500k non-overclocked... yet.
This is my first time watercooling (and building a computer from scratch) so I may have made a few mistakes which might be affecting the temps.

Idle, my temps are 36c and I'm not convinced these are the best temps I could be getting with this setup. One thing I do know is that I'm having a really hard time getting all the air out the loop. I got a lot of it out already but I can still hear air particularly in the CPU block and pump. I can also hear a lot of water moving around in the rad when I tilt the comp but I'm not sure if thats normal or not. There are also a lot of micro air bubbles in the res.

Here is a photo of my setup, it goes res>pump>rad>cpu>res. The reason I have my pump mounted where it is (and how) is because I'm going to be adding another rad where the front intake fan is (in order to add a block for my GPU) which means I'm going to have to move my HDD cage over next to the pump.



So anyway, my current CPU temp (at idle) is 34c, room temp is 21c.

I don't think the temps are much too high but I would have thought I'd be getting temps in the high 20s to low 30s (maybe 26-32c?)

I suspect two things may be affecting the temps in a negative way; air and the thermal paste (that I applied shoddily). Basically the first time I applied it I tried the spread method but after I watched a youtube video I decided the pea method was the best (because it doesn't leave air pockets). So I re-applied it the pea method but because I already had all the tubes connected it was tricky to align the block on the cpu so I'm pretty sure I had it touching surfaces on 1 side before the other.
    
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post #2 of 21
That does sound strange.. My i3-2100 is on water and it sits at 28c idle. What pump are you using?
post #3 of 21
34c is about right based on 21c ambient. You will not see 20's with a 240 rad. I'm currently sitting at 36c idle with 24.5c ambient (no OC at the moment) as well with a 360 and 120 rads, but my GPU is also under water.

Regarding your build in general, chop out some of that tubing. You could get rid of 6" of tubing with the bit that goes from the res to the CPU.
 
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post #4 of 21
Thread Starter 
The pump I'm using is EK DCP 4.0 but I might try to return it for the EK DCP 2.2 because I think it will still be enough for CPU, GPU and 2 rads while being quieter.

As for the tubing, I need to leave some slack on the one going from CPU to res so that I can slide the res out to fill it. I might cut a bit off it tho but that will be when I get the GPU block.

So those temps aren't out of the norm? In one way I'm saying dam but in another I'm glad nothings wrong haha.

When I add the 200mm rad and GPU Block I'm guessing my CPU temps will increase again?
    
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post #5 of 21
It will probably stay the same actually. If you add the 200 without the GPU, you may see 1 degree drop, maybe two at most. Honestly I wouldn't worry about it. What are your load temps like?
 
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Crucial C300 128gb Samsung F4 2TBx4 Raid5 LG Bluray Combo GPU - HK GPUx3 
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CPU - HK Rev 3.0 360+120 Rads, Gentle Typhoon AP-15s Win7 Pro x64 Samsung SyncMaster XL2370 
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Corsair HX750w Cooler Master HAF X Logitech G9 Razer Barracuda AC-1 
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post #6 of 21
Thread Starter 
Ok that sounds good then. What about the air in the loop? Should I worry about it or should I just leave it the way it is? I cans till hear a bit of air in the CPU and pump but not much
    
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post #7 of 21
Thread Starter 
What software should I use to test load temps?
    
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Hard DriveHard DriveCoolingOS
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post #8 of 21
Prime95, Intel Burn Test, LinX, Orthos
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post #9 of 21
Thread Starter 
I'm testing it now with Intel Burn Test and using HW Monitor to see temps. I put the Stress level to maximum. i know I have to run it for longer but so far (5 minutes in) temps are:
Core #0: 41
Core #1: 45
Core #2 48
Core #3: 46
Package: 48
    
CPUMotherboardGraphicsRAM
i5 2500k  Asus P8z77-I Deluxe/wd EVGA GTX 770 4GB SC G.Skill 8GB 
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CPUMotherboardGraphicsRAM
i5 2500k  Asus P8z77-I Deluxe/wd EVGA GTX 770 4GB SC G.Skill 8GB 
Hard DriveHard DriveCoolingOS
Crucual M500 120GB Crucial MX100 250GB ex120+st30 280 w/ noctua LNA Windows 8.1 Pro 
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Dell U2713hm  Microsoft POS SilverStone SFX 450w-G Custom 
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post #10 of 21
Thread Starter 
I wonder if my temps would improve a bit if I put the side panel on because wouldn't there be a more direct air flow from front to back?
    
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