High tempetures with custom water cool

heydan

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Jul 24, 2009
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Hi! a few weeks ago I just finished to put together my first water cooling loop but my sorprise was that my CPU is not decreasing tempetures, in fact Im getting higher temps than with my Seidon 240, this is my system specs:

CPU: i7 3770k @ 4426.75 Mhz, default voltage

Mobo: Gigabyte GA-Z77X-UP5 TH

Boot drive: Samsung 840 EVO 250

GPU´s: Gigabyte Radeon HD 7870 Ghz Edt x2 (CrossFire)
GPU Clock: 1100 Mhz Overclock: 1200 Mhz
Memory: 1200 Mhz Overclock: 1365 Mhz

I think that should be the important components Im also water cooling my graphic cards and they have been cooling properly, they´re at 35°C iddle and no more than 50°C with this overclocking while gaming or even at full stress tests, my CPU without overclocking is about 35°C and like 65°C at full load, with the overclock iddle is about 60°C and full stress is getting to what I think is the limit for this CPU at 80°C, my ambient tempeture is about 28°-30°, and my liquid at like 40° while gaming, Im mesureing them with some tempeture sensors, for the water cool loop Im using this components:

CPU Block: Koolance CPU-380i
GPU Blocks: EK-FC7870 - Acetal + Nickel
Rads: Koolance HX-CU1020V (360), EK-CoolStream RAD XT (240) and EK-CoolStream RAD XTX (120)
Pump: Swiftech MCP655 at full speed.
Fittings: EK-CSQ Fitting 10/16mm G1/4
Hose: XSPC High Flex 3/8 ID, 5/8 OD
Reservoir: Phobya Balancer 150

I have tried to put the block in different orientations but non have work for me, I´ve tried to push tight the block into the CPU, put the block not that tight, a bit of termal paste, a little more, and nothing have work, Im using the Prolimatech PK-1, I remember I read in a review that the this processor run more hot than any other CPU with this block, but not that much, hopw someone can orientate me so I can fix this, thanks!

 
The high idles with overclocking would make me think you have all the power savings off and maybe the board has increased the voltage as well.

I would try offset voltage to see if it is any better.

You have LOTS of dissipation capacity by the looks of things.

Your video card temperatures would leave me to guess the cooling is working so may be you just have a hot cpu, they are all a bit different.

That series(Ivy Bridge) of cpu's is known to run hot because of the thermal paste they use between the IHS and CPU Core(the older 2XXX cpus had the core soldered to the IHS for very good heat transfer performance).

Many users have removed the IHS(they call it a de-lid or de-lidding) and used better thermal paste to help lower these temps. Removing the old glue that held the IHS on also reduces the gap. So less gap, less paste, lower temperatures.
 

heydan

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Jul 24, 2009
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Thanks for the tips i´ll be back with some news after trying to offset the voltage, if I don´t see any change i´ll try to do the de-lidding thing, but before doing it i´ll need to make my research, if you know where can I find a good tutorial please let me know, thanks!