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Do i even need MOSFET cooling? - Page 4

post #31 of 50

If you're in a reasonable position and you're sure the VRMs are not heating to any point of danger based on human sensitivity then I encourage you to trust your senses; make sure you're not missing any particular points though i.e. some chips may heat up more than others due to handling different power loads (4 for CPU, 1 for NB but the NB consumes much less power than the CPU integer portion).  You need to be safe, stable and not flaming for all kinds of loads.  See what happens when you fire up Prime95 or IBT though.  A similar load could be experienced if you're in the middle of the game and your Antivirus suddenly starts a scan.  Even that situation could be dangerous.

 

Any case, I do not recommend further overclocking or overvolting as that would really be a stretch.  Invest in proper VRM cooling if you wish to get into that.  Since you've made it this far on stock voltage, if you know you have more clockspeed headroom at this stock voltage, you also have headroom to undervolt from where you are now if you have time..  That improves your situation by actually contributing to a power consumption reduction.

 

Keep in mind that leaving your VRMs without a fan is like leaving a PSU without a fan.  Only the best quality PSUs can run systems without a fan and only if they are not being made to supply lots of power (i.e. I think a 400W fanless PSU is the biggest you can see right now).  And the usual compromise for not having a fan is additional ways to spread heat by radiation such as heatsinks.


Edited by xd_1771 - 2/18/12 at 9:13pm
post #32 of 50
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

If you're in a reasonable position and you're sure the VRMs are not heating to any point of danger based on human sensitivity then I encourage you to trust your senses; make sure you're not missing any particular points though i.e. some chips may heat up more than others due to handling different power loads (4 for CPU, 1 for NB but the NB consumes much less power than the CPU integer portion).  See what happens when you fire up Prime95 or IBT though.  A similar load could be experienced if you're in the middle of the game and your Antivirus suddenly starts a scan.  Even that situation could be dangerous.;

well i still don't feel comfortable with nothing on them, whats is a good way to cool them that is cheap and easy to do?


also why do motherboard companies make boards without MOSFET cooling if it will always kill it? whats the point in saving 3 dollars?

Are these good? http://www.newegg.com/Product/Product.aspx?Item=N82E16835708012
Edited by philhalo66 - 2/18/12 at 9:19pm
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post #33 of 50

Motherboard companies make boards without MOSFET cooling because they expect you to use a downward cooler instead of a tower cooler and not overclock on that board.  There are boards like such.  It allows such boards to be presented at lower cost - but have lower capabilities.


If you have a small 60mm fan sitting around there are ways to mount it to blow to that area.  I'd say in this case due to the special VRM layout of 2 transistors + 2 transistor-based drivers making for a whopping 20 transistors to cool, a fan would be more cost-efficient.  Antec Spot Cool maybe?  Check the OCN marketplace, perhaps there will be a cost-friendly solution. i.e. spare small heatsinks in larger quantities or the fan you need.

post #34 of 50
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Motherboard companies make boards without MOSFET cooling because they expect you to use a downward cooler instead of a tower cooler and not overclock on that board.  There are boards like such.  It allows such boards to be presented at lower cost - but have lower capabilities.


If you have a small 60mm fan sitting around there are ways to mount it to blow to that area.  I'd say in this case due to the special VRM layout of 2 transistors + 2 transistor-based drivers making for a whopping 20 transistors to cool, a fan would be more cost-efficient.  Antec Spot Cool maybe?  Check the OCN marketplace, perhaps there will be a cost-friendly solution. i.e. spare small heatsinks in larger quantities or the fan you need.

hmm, but will that be safe enough for me to overclock and unlock my 4th core? and what about running stock clocks and as a tri core is that safe enough to play BC2?
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post #35 of 50

Fans are actually more effective than heatsinks because they can directly take away any buildup heat.  Considering your case airflow some heatsinks may fill the minimal need to increase surface area of the VRMs to get more effective radiation-to-airflow.

 

How does eBay sound to you?  Because I found something that sort of applies to you: LINK 20 pcs for $8 shipped

OK the above is not exactly designed for computer MOSFETs...

 

EDIT: These RAM sinks look most effective for cost.  You'll even end up with a few extra after 2 packs for less than $7.50 shipped I think.  Very cost effective.


Edited by xd_1771 - 2/18/12 at 9:38pm
post #36 of 50
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Fans are actually more effective than heatsinks because they can directly take away any buildup heat.  Considering your case airflow some heatsinks may fill the minimal need to increase surface area of the VRMs to get more effective radiation-to-airflow.

How does eBay sound to you?  Because I found something that sort of applies to you:
LINK

20 pcs for $8 shipped
OK the above is not exactly designed for computer MOSFETs...

those are for amplifiers not PC's. but i did find these http://www.newegg.com/Product/Product.aspx?Item=N82E16835708012 each one covers 2 i read another forum that they work very well if you got half decent airflow i got my top fan blowing down over the fets and those are just high enough to get hit by the air. those coolers not the fets. although when i put my hand near the fets i can feel a pretty strong breeze of cold air right around them.

Quote:
Originally Posted by xd_1771 View Post

Fans are actually more effective than heatsinks because they can directly take away any buildup heat. Considering your case airflow some heatsinks may fill the minimal need to increase surface area of the VRMs to get more effective radiation-to-airflow.

How does eBay sound to you? Because I found something that sort of applies to you: LINK 20 pcs for $8 shipped
OK the above is not exactly designed for computer MOSFETs...

EDIT: These RAM sinks look most effective for cost. You'll even end up with a few extra after 2 packs for less than $7.50 shipped I think. Very cost effective.

0.0 i got like 75 of those because my GPU cooler from thermaltake came with like 200 of them are those really enough?
Edited by philhalo66 - 2/18/12 at 9:40pm
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post #37 of 50

I edited the above post:
EDIT: These RAM sinks look most effective for cost.  You'll even end up with a few extra after 2 packs for less than $7.50 shipped I think.  Very cost effective.


MOS-C10 is bigger and probably should cover 2 and about the size of the ones I link above so it looks also effective for a non-impeding cost.

post #38 of 50
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Fans are actually more effective than heatsinks because they can directly take away any buildup heat.  Considering your case airflow some heatsinks may fill the minimal need to increase surface area of the VRMs to get more effective radiation-to-airflow.

How does eBay sound to you?  Because I found something that sort of applies to you: LINK 20 pcs for $8 shipped
OK the above is not exactly designed for computer MOSFETs...

EDIT: These RAM sinks look most effective for cost.  You'll even end up with a few extra after 2 packs for less than $7.50 shipped I think.  Very cost effective.
Quote:
Originally Posted by xd_1771 View Post

I edited the above post:

EDIT: These RAM sinks look most effective for cost.  You'll even end up with a few extra after 2 packs for less than $7.50 shipped I think.  Very cost effective.


MOS-C10 is bigger and probably should cover 2 and about the size of the ones I link above so it looks also effective for a non-impeding cost.

hmm i think I'll get 3 or 4 packs of those but they gonna take about a month to get here from china frown.gif
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post #39 of 50
I have always thought about adding those ram sinks to my motherboard on the mosfet but have always been so worried that the increased heat and on and off cycles over time will cause for them to fall of and thus shorting out multiple components on the motherboard and whatever is directly below when mounted vertically (usually GPU is below).
    
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post #40 of 50
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Quote:
Originally Posted by johnny13oi View Post

I have always thought about adding those ram sinks to my motherboard on the mosfet but have always been so worried that the increased heat and on and off cycles over time will cause for them to fall of and thus shorting out multiple components on the motherboard and whatever is directly below when mounted vertically (usually GPU is below).

thermal adhesive biggrin.gif
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