theres a switch next to where the CF fingers usually are, it changes card from quiet to uber mode. dont switch it when the pc is on though
http://www.tomshardware.com/reviews/radeon-r9-290x-hawaii-review,3650-6.html
http://www.tomshardware.com/reviews/radeon-r9-290x-hawaii-review,3650-6.html
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