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I have an SE in a CM Cosmos S case and have set the fans with MSI Afterburner to idle at 32% fan and 44oC. playing Crysis2, BFBC2 etc goes up to 65-70% at 79 to 83oC depending on room temperature. 32% is almost silent.
Stock fan is set to idle at 48% which is to high and slightly audible IMO. Fan at 70% is not too bad but audible over system fans. Quieter and less annoying than a stock 5850.
These are at Stock speeds. Going up to 755 mhz did not seem to have much effect on temps but its only a mild OC.
Its a v.good card but you need adequate case ventilation. I would say Sli would be a different matter as far as noise and temps go.
480 SE stock in Antec 900
Crysis 2 for an hour or so
I'm getting average temps of 70c with the fan at the standard 48%
480 SE stock in Antec 900
Crysis 2 for an hour or so
I'm getting average temps of 70c with the fan at the standard 48%