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Old 27-08-12   #1
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Icon1 How Important is the Thermal Paste for My Rig


As I was cleaning my Rig yesterday and noticed that the Thermal Paste below heat sink of CPU is all dried up like a powder.

So I want to know if it is necessary to buy a thermal paste and re-apply? or I can leave it as it is.?
As of now I reassembled the things and running.
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Old 27-08-12   #2
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Re: How Important is the Thermal Paste for My Rig

I would strongly urge you to reapply some otherwise it could lead to CPU throttling and fall in performance while doing stressful tasks. Which is your cpu/cooler btw?
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Old 27-08-12   #3
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Re: How Important is the Thermal Paste for My Rig

I'm using AMD PHENOM-II 555BE with stock heatsink and fan with ATI 4870 Graphics card. Most of time it is used for Gaming (Casual though).

Although my CPU is unlockable to B55 but as i'm using VIP tornado cabby it was crashing because of excessive heat so again lockaed it.
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Old 27-08-12   #4
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Re: How Important is the Thermal Paste for My Rig

You should surely reapply the thermal paste and do some stress tests to see at what temps it's running on idle and load. Post back the results here so we could give you more info on it.
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Old 27-08-12   #5
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Re: How Important is the Thermal Paste for My Rig

You have to reapply the thermal paste, Otherwise it's will become hotter like a sexy lady and burn your hand by heavy price.
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Old 27-08-12   #6
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Re: How Important is the Thermal Paste for My Rig

I'm not saying currently it is crashing. System is working fine as of now without any problem.
I was using unlocked 555BE (B55) before adding ATI 4870 , at that time there was no problem. When I added 4870 due to poor ventilation system in my cabby(VIP Tornado) system started crashing after 10-15 on full load. So I have to lock those 2 cores and increased fan speed of GPU to 50% from stock 20%. Also added a local 120MM exhaust fan.

As of now it is working fine but going ahead who can tell!!

Any way pls suggest me a good Thermal Paste (Sasta,Achha aur Tikau ).
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Old 27-08-12   #7
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Re: How Important is the Thermal Paste for My Rig

Originally Posted by para View Post

Any way pls suggest me a good Thermal Paste (Sasta,Achha aur Tikau ).
CM thermal paste at 100 bucks, but it didn't do well for your PC. So buy ARCTIC COOLING ACTC-MX2(4G) or Arctic MX-4 Thermal Paste cost around 400 to 500 bucks.
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Old 27-08-12   #8
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Re: How Important is the Thermal Paste for My Rig

It doesnt nessesarily have to crash, if the CPU overheats during intensive applications or high ambient temperatures (summer) the CPU could simply throttle. i.e the performance of the CPU will automatically be greatly decreased but the system will keep running.

You can get some Dupont OEM thermal paste from people who assemble computers. Avoid using the white ceramic paste.
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Old 27-08-12   #9
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Re: How Important is the Thermal Paste for My Rig

Get these buddy both are good but i personally prefer deepcool since its non-conductive to electricity and safer

Arctic Silver 5 Thermal Compound

DeepCool Z5 THERMAL PASTE

You can contact @nikolain for thermag v1 Rs.150
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Old 27-08-12   #10
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Re: How Important is the Thermal Paste for My Rig

Originally Posted by kbganesh View Post
Get these buddy both are good but i personally prefer deepcool since its non-conductive
Non conductive to what? Heat or electricity? And how does that help? Can you please explain.
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Old 27-08-12   #11
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Re: How Important is the Thermal Paste for My Rig

^non conductive to electricity..!! My bad edited the posted..
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Old 27-08-12   #12
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Re: How Important is the Thermal Paste for My Rig

Originally Posted by vijayninel View Post
It doesnt nessesarily have to crash, if the CPU overheats during intensive applications or high ambient temperatures (summer) the CPU could simply throttle. i.e the performance of the CPU will automatically be greatly decreased but the system will keep running.
I dont know, if it is the reason Crysis is getting stalled for few seconds every now and then

Originally Posted by kbganesh View Post
Get these buddy both are good but i personally prefer deepcool since its non-conductive to electricity Arctic Silver 5 Thermal Compound DeepCool Z5 THERMAL PASTE
Originally Posted by Timon View Post
CM thermal paste at 100 bucks, but it didn't do well for your PC. So buy ARCTIC COOLING ACTC-MX2(4G) or Arctic MX-4 Thermal Paste cost around 400 to 500 bucks.
Hmm....how frequently I have to apply? won't the tubes will dried up after opening once (I'm sure we dont use whole paste at once)?
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Old 27-08-12   #13
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Re: How Important is the Thermal Paste for My Rig

Originally Posted by kbganesh View Post
^non conductive to electricity..!! My bad edited the posted..
The CPU IHS is not electrified and the metal base of the heatsink will come into direct contact with the IHS even if thermal paste is applied. The paste only fills in microscopic air gaps and doesn't prevent direct contact between the IHS and heatsink. There is no advantage in having a electrically insulating thermal paste.

Originally Posted by para View Post
Hmm....how frequently I have to apply? won't the tubes will dried up after opening once (I'm sure we dont use whole paste at once)?
Yes the whole syringe is applied at once. Once in a few years will suffice.
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Old 27-08-12   #14
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Re: How Important is the Thermal Paste for My Rig

what PSU are you using?
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Old 27-08-12   #15
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Re: How Important is the Thermal Paste for My Rig

Originally Posted by kauffmann View Post
what PSU are you using?
I'm using Corsair 450VX
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