Make sure you guys take a moment today to read our XFX R9 290X Double Dissipation Edition CrossFire review. What's better than a R9 290X with a custom cooling solution? Two R9 290X with custom cooling solutions mated together for jaw dropping performance. Take two custom XFX R9 290X Double Dissipation Edition video cards, enable CrossFire, and let your jaw hit the floor. We will test this combination against the competition in a triple-display Eyefinity setup as well as 4K Ultra HD display gaming. We will find out if custom cards hold any advantage over the reference designed R9 290X.