I just got my XFX Radeon HD 7850 Double Dissipation Black Edition. I found that when the fan goes to around 50%, the card makes a high pitched rattling noise. The noise comes from the red metal strip on the side of the card vibrating against the heatpipe on the inside and can be stopped if I push the red strip against the heatpipe. Is anyone else having this problem? I currently have some cables pushing up against the red strip to force it against the heatsink but the noise still comes back at 60%+ fan speed. I'm starting to think this is a serious design flaw.
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