Zalman VF770, Cooler, 3.15" (8 cm), Aluminum, Black, Red, Transparent Zalman VF770. Type: Cooler, Fan diameter: 3.15" (8 cm). Product color: Aluminum, Black, Red, Transparent http://rbmods.com/zalman-vf950-led-zalman-vf770/ Both coolers were quiet and performed reasonably well in our use. If you are replacing the original cooler of your graphics card you will see performance difference in both cases. Lower temperatures and lower noise levels are the most common reasons for replacing the original heatsink and fan of the graphic card. In either case I can recommend both of the products in this review. VF770 is a bit less expensive than the VF950 LED and in..