The Eclipse IV has been announced by X2 and Spire. This cooler is the successor to the companies award winning TherMax series coolers and is said to offer even more performance. The heatsink is made up of 45 aluminum stacked fins. The front and rear of the fins have a shark-teeth design for better outflow of air. Six 6 mm copper heatpipes makes a “U” shape and go up into the heatsink stack. These heatpipes are soldered to the base of the cooler and are nickel plated.