CalcProgrammer1
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Get a 5870 with the reference cooler. The reference cooler is the one that ATi designed and works very well. I have my 5870 at max clocks (900/1300) and with the fan at 50% it stays around 60-61C full load. The reference cooler looks like the Batmobile as referenced by this picture:
I got the Diamond HD5870 and it works well, but any manufacturer that has the reference design will work as they're all the same card. Some of the other cards that don't use the reference design have different power/voltage controllers and sometimes these aren't as good.
This is the one I got, looks to be the cheapest 5870 with reference design:
Newegg.com - DIAMOND 5870PE51G Radeon HD 5870 (Cypress XT) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card w/ATI Eyefinity
My i7 930 is at 4.1GHz with a Corsair H50 self-contained water cooler. It stays around 60C as well and my case is the Antec Nine Hundred, a pretty good case in terms of airflow. I have a side fan blowing out which takes some of the heat off the GPU.
I got the Diamond HD5870 and it works well, but any manufacturer that has the reference design will work as they're all the same card. Some of the other cards that don't use the reference design have different power/voltage controllers and sometimes these aren't as good.
This is the one I got, looks to be the cheapest 5870 with reference design:
Newegg.com - DIAMOND 5870PE51G Radeon HD 5870 (Cypress XT) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card w/ATI Eyefinity
My i7 930 is at 4.1GHz with a Corsair H50 self-contained water cooler. It stays around 60C as well and my case is the Antec Nine Hundred, a pretty good case in terms of airflow. I have a side fan blowing out which takes some of the heat off the GPU.