Graphics card fan cooling method actice material aluminium included parts fan compatible with amd radeon hd 7870 amd radeon hd 7850 amd radeon hd 7770 amd radeon hd 6950 amd radeon hd 6870 amd radeon hd 6850 amd radeon hd 6800 amd radeon hd 6790 amd radeon hd 6770 amd radeon hd 6750 amd radeon hd 5870 amd radeon hd 5850 amd radeon hd 5830 amd radeon hd 5770 amd radeon hd 5750 amd radeon hd 4890 amd radeon hd 4870 amd radeon hd 4850 amd radeon hd 4830 amd radeon hd