The fat passive aluminum cooler did far better than expected in keeping the card working away and punching out pixels. Even when loading up Duke Nukem Forever which is known for spinning up VGA card fans, the HIS HD 6570 Silence hung in there. After 45 minutes of active gameplay, the HIS HD 6570 was hot, 85 degrees Celsius, but it never hiccupped or game me any visual artifacts or abnormalities.
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