EVGA 760 SC ACX possible cooling/ noise fault?

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lukelc1

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Mar 14, 2011
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Hey,

Recently purchased a "EVGA 760 SC ACX" was a bit disappoint and surprised at the cooling on this card. This card runs at about 80c in games and in heaven benchmark, which seems a little hot.

The fan noise is very loud, as on the default fan curve it's told to kick the fans up to 80% when it reaches 80c (which it always does.) . I can make i quieter dropping the fan curve to 50% which doesn't seems to effect temps much just stays around 82c mark .

I feel like I might have a faulty card, evga precision does show the Temp target as 80c but if i drop it more it under clocks card. My old GTX 460 only went to about 60-70c. I have plenty of cooling with 2 intake fans and 2 out take fans.

Any thoughts?
 
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SirFerret

SirFerret

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I have an EVGA 770 SC ACX, which is built on the same cooler as your card. The 80c is actually perfectly normal for this card, as that is how GPU Boost 2.0 works. The card will automatically overclock/overvolt itself till it hits the target temperature set in Precision X (80c is default).

As for fan noise, my card runs 60-70% fan speed when at 80c. The noise is not noticeable to me.

Alas, if you do think you have a faulty card, EVGA has a FANTASTIC customer service department. I have done RMAs with them before, it is very easy and fairly quick turnaround (was a week for me with the standard service, though they do offer cross ship).
 
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lukelc1

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At 60-70% the fan is very noticeable, noise is nearly comparable to a hair dryer on low setting and is the loudest component in the system, does that compare at all to yours?

At 43% its nice and quiet aside from a a very low hum, which happens periodically. Is this normal as I don't want to RMA the card just to find that i'm being overly picky? :) thanks
 
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SirFerret

SirFerret

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Well what type of noise do you hear from your card?

All I can hear from my card (if I turn the volume down and get next to my PC) is a gentle sound of moving air. Not loud or obnoxious, just a sound similar to a high quality case fan. If yours is making a buzzing noise and sounds like a hair dryer, something is probably wrong with one (or both) of your fans.

Another point is to make sure your case has good airflow. If the card can't get fresh air, it will work much harder and therefore create a lot more noise. My case has 140mm side intake that I run at about 50%.
 
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lukelc1

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"gentle sound of moving air" is that on load? as mine sounds pretty aggressive.

When the pc isn't on load (idle) the fan sound is quiet but there is a low hum almost like a vibration (checked HD its not from that)
The case has plenty of cooling, 2 intake, 2 out take.
 
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SirFerret

SirFerret

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Yes that is under load. Just sounds like moving air when listening closely next to case. I wouldn't describe it as "aggressive" in any way. When gaming any acceptable volume level completely covers up the little bit of noise my PC makes.
 
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revolution2718

revolution2718

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Just throwing out some info, do with it what you will. I have a EVGA 770 SC ACX that I overclocked on top of what the factory did, and without touching the fan curve it doesn't get above 70 in my case, which doesn't have a whole lot of fans.
 
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lukelc1

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Something must be wrong with mine then, as you can hear the fan quite noticeably when having volume on a acceptable level.

I think are go ahead and RMA it.
Thanks for clearing this up for me :)

 
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SirFerret

SirFerret

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Depending on how long you have had your card, see if you can get a RMA from whomever you bought it from. That way you will receive a brand new card.

While doing it through EVGA is great and easy, you will receive a refurbished product. While that's cool for a video card that's like five years old and broke, you probably don't want to trade in a week old card for a refurbished one.
 
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