Aftermarket Cooler For 4850

[adi67]

Is there currently available a cooler that will fit the 4850 *and* that comes with sufficient heatsinks for all the RAM/VRM/whatever else chips that are cooled by the stock cooler?

Obviously I'd want it to be quieter than the stock cooler as well as delivering a healthy reduction in temps...

 

[adi67]

Thanks...seem to recall reading somewhere that you lose software fan control with this product as the fan plugs in to a mobo header...is that correct, do you know?

 

[adi67]

Thanks, yes tried that but the stock fan is too noisy to achieve the kind if drops in temps I'd get from a decent aftermarket cooler.

 

[adi67]

Anything beyond 40 results in some pretty irritating noise from my Sapphire card...

 

[adi67]

OK, thanks - been a good while since I needed to replace one as my X1950XTX that's just been replaced by the 4850 ran quietly anyway...so probably not needed an aftermarket cooler since I had an X800 or similar.

 

[adi67]

So what are the odds on seeing dedicated 4850 coolers coming on to the market in the near future..? Ones that provide airflow onto the VRMs and all the necessary sinks and so on...

 

[adi67]

Well I've opted for the Neo and some Zalman sinks for anything that the stock cooler covers that the Akasa doesn't.

With the stock cooler I'm getting 80C idle and 90C or so load. the fan profile thing is fine, but it's too easy to forget to wind the fan up before starting a 3D app.

Looking forward to seeing how this affects things.

I was planning on using AS5...any advice on how best to apply it? I've tended to use it only on CPUs previously...

 

[adi67]

Ok, thanks. Seem to recall doing that back in the day with various AMD processors.

What's under the stock heatsink for the memory chips...they use pads of some kind or AS5 on those too..?

 

[adi67]

Well I replaced my Sapphire 4850's stock cooler today with a Neo Vortex.

Idle temps are down from 80C to 46C

Load temps are down from ~90C to 78C

The good news is temps are down all round and there's no more faffing around with profiles to play with the fan speed. The Neo Vortex is quiet too.

The (somewhat) bad news is that the reduction in load temps is far smaller than I'd hoped for, although perhaps I was unrealistic? The cooler is on tight and there's a thin, even layer of AS5 on the GPU (which still has to cure I guess).

Just thought I'd post my results.

 

[adi67]

Your load temps are closer to what I was expecting - I was a bit surprised to see such high load temps still..

 

[adi67]

OK so, for whatever reason, I'm unhappy with my Vortex Neo.

If I fit an Accelero S1 do I need anything more in the way of heatsinks over and above what I used for the Vortex?

What is the best type/way of attaching a fan to the S1? For fan type, I do want a basically silent running one. Do people usually attach their S1 fans to a mobo header/PSU molex or can they attach to the header on the 4850 itself and use the BIOS fan profile?

Thanks...