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Crossfire Bottom Card 70c Top 90c Temps - Page 2

post #11 of 18
Quote:
Originally Posted by L337Something;12301477 
I have a Antec 900 series 2 with crossfire 4890s top card is obviously going to be hotter but its running 90 degrees celsius. at the end of Heaven Benchmark v2.1 getting a score of 1080 and average of 45 fps. bottom card is getting 71c temps at the end. is this normal? No overclock! is it safe to overclock crossfire?

Split your cards up. I had my 6850 running next to each other just because thats where the PCI-E(16x) slots are. Temps were hitting the 90oC's. Moved the bottom card to the (x4) slot and the temp dropped 15-20oC. Haven't noticed a hit in performance.
post #12 of 18
Hi,

Have the same trouble with my cards and my board 16x slot spacing.

My cure was ram sinks on top card/Hot one/ and side case fan blowing
across them.wink.gif
Dropped top card temps about 8 to 10c.

Couldn't ram sink 2nd card as no room.
HTH

Pic

Later:D
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post #13 of 18
I have 5870's and had the same issue.


You cant see it in this picture but what i did was move the antec spotcool you see currently over the northbridge to the rear of the gpus so they pull more cool air.. it worked fairly well.

IMG_5542.JPG
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post #14 of 18
Quote:
Originally Posted by Irocing;12324607 
Hi,

Have the same trouble with my cards and my board 16x slot spacing.

My cure was ram sinks on top card/Hot one/ and side case fan blowing
across them.wink.gif
Dropped top card temps about 8 to 10c.

Couldn't ram sink 2nd card as no room.
HTH

Pic

Later:D

What did you stick the ram sinks too?
post #15 of 18
Quote:
Originally Posted by ht_addict;12338763 
What did you stick the ram sinks too?

Hi,

Ram chips;)

Later:D
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post #16 of 18
Quote:
Originally Posted by Irocing;12338888 
Hi,

Ram chips;)

Later:D

You funny. I assumed the ram chips were on the face down side, so I guess your sticking them in the area of the ram chip ;-)
post #17 of 18
Quote:
Originally Posted by ht_addict;12341170 
You funny. I assumed the ram chips were on the face down side, so I guess your sticking them in the area of the ram chip ;-)

Hi,

You funny to:)

Pic 5770 , big sinks, not mine, I run shorter copper.

Later:D
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post #18 of 18
Crossfire or trifire needs the best case ever Cooler Master HAF 932 with benefit off side panel fan.
If you dont want to change your case your next move is to put a 120 fan that blow air to the cards as you see here.
I had at least 5c to 10c down with this setup.
dscn06971.jpg
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