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help, need a new cooler for HD3850 Idling at 59C!

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#26
Thermalright V2
 

_jM

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#27
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#28
Dont get that xigmatek and a ATi card. Only two out of four pipes will make contact with the small core. I would get a Zalman VF900, I love mine and its running my hot ass 4850 at 29c idle and 48c load at 850mhz.
Agree on the vf900,mines running 29c idle and was max 65ish running 3dmark 06 at 800mhz core.I have a modded fan on mine though.
I have had a bad experience with the VF900cu, I put one on my X1950Xt and the temps got to 94C, and then my X1950XT died.

I REALLY dont think I would be abled to overclock my 3850 with a VF900.
 
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#29
thanks scrizz, but I cant find it at newegg. whats another good online store to get it at and not get ripped off?
 
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#30
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#31

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#32
I have had a bad experience with the VF900cu, I put one on my X1950Xt and the temps got to 94C, and then my X1950XT died.

I REALLY dont think I would be abled to overclock my 3850 with a VF900.
You were doin it wrong then :p
 
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#33
dammit you guys! you got me stuck on deciding!
 
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#34
You were doin it wrong then :p
No, I reaplied the thermalpaste like 3 times and got the same temps everytime. I was using AS5 and used less than a grain of rice to cover the whole core and it had perfect contact.

want a link to the thread here on TPU?
 
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#35

p_o_s_pc

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#36
Im not sure how good the Xigmatek will be . As its HDT , and your putting it on an uncovered chip. Seems that only the two middle heatpipes would touch. I would go with a copper plate. Im using the Zalman vf900's and love them. My 4850's idle temps are around 39 with a very warm ambient in my room.
your right... only 2 pipes touch... pic from Xbit labs
 
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#37
:roll:

Indeed. I had a vf-900 on my 9600GT and it idled at 32C. She was frosty cold.....
Is it possible that the heat pipes didnt have any liquid in them then? And I got a borked one?
 
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#38
The surface could have been not flat. I'm telling you a VF900 would fit perfectly and cool it well. Not EVERY SINGLE VF900 comes with defects.

I would get one from these guys
http://www.sharkacomputers.com/zavgaco.html
They have some cool colored ones as well.(and ramsinks)
 
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#39
one question then, would the VF900 not be good enough to cool a X1950XT? Other users said that it wasn't.
 

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#40
My guess is it came with an uneven surface or something silly like that.
 
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#41
The surfice was flat, I held it to my razor knife.
 

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#42
I think it would cool a 1950xt very well.I have had my 3850 benching at 837core with my vf900 on it.
 
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#43
K

kyle2020

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#44
Get an Accelero S1 Rev. 2: it's passive but you can buy extra fans for it (there's a special module available): it should lower your temps quite considerably and it's cheap too.

Note: best take the card to the shop where you buy the Accelero because, as i understood it, different manufacturers may change the PCB layout and thus make the VGA cooler NOT 100% compatible and you want to insure your card is 100% compatible before you buy the cooler.
he wouldnt need the fans added on - my S1 idled my GT @ 35 degress C all day long.
 

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#45
K

kyle2020

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#46
My Akasa Vortexx NEO is brilliant too - not as good as an S1, about 5 degrees warmer on idle, but worth every penny and a few more degrees for the lower profile and lovely blue LED's.
 
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#47
the S1 is a good choice too
 
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#49

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#50
29c nice, my 3850 idles at 40c with a Zalman GV1000, but ambient temp is around 30c (tropical country)