Accelero Twin Turbo is a VGA cooler from Arctic Cooling compatible with a myriad of video cards, including Radeon HD 4850 and 4870 from ATI/AMD and GeForce 9800 GTX+ and GTX from nVidia. We tested this cooler with a Radeon HD 4870, a card that is famous for heating a lot. Let's see if this cooler can really cool down this the hot VGA.