Graphics card fan cooling method actice material aluminium included parts dual heatpipe fan compatible with amd radeon hd 7870 amd radeon hd 7850 amd radeon hd 6970 amd radeon hd 6950 amd radeon hd 6870 amd radeon hd 6850 amd radeon hd 6790 amd radeon hd 5870 amd radeon hd 5850 amd radeon hd 5830 amd radeon hd 4890 amd radeon hd 4870 amd radeon hd 4850 amd radeon hd 4830 amd radeon hd 3870 amd radeon hd 3850 nvidia geforce gtx 680 nvidia geforce gtx 660 nvidia gefo