EVO 98 utilizes six hi-speed heatpipes and 52 deep plane aluminum fins. These two elements when combined can produce extreme cooling performance or near silent operation. This heatsink will accept a fan on either side' one drawing air in and the other exhausting, both 25 or 38mm deep fans are suitable, 80 and 92mm deep are also catered for. EVO 98 is designed for both Intel P4 LGA775 and AMD K8 Socket 754/939/940 and is equipped with a heavy-duty copper base supplemented with a direct contact auxiliary heatsink. The fin assembly is encased in an attractive translucent air duct, which has four blue LED giving cool color to your PC.