The ASUS Radeon HD 4870 Matrix 512MB Video Card is not your average ATI Radeon HD 4870 as it has a four pipe heat sink that is cooled by two cooling fans. This custom cooler not only lowers noise levels it drops temperatures and allows the card to be overclocked right out of the box.

Quote: "The Asus Matrix HD 4870 is a most unusual card to overclock. Unlike nearly every other video card I've overclocked, this particular card has been equipped with everything you would need to reach the limits of the components. With Asus' iTracker software, you can increase the GPU and GDDR5 voltages well past what would be useful on air-cooling..."



Link: Legit Reviews