CASTLE 240EX features Anti-leak Tech Inside, exclusively safe, 25% more skived fins on the back side of the copper base, the heat absorption area extensively increased, Flow route optimized to reduce operation noise and energy loss, 2 specially tuned TF120 S fans are included (in matching the radiator's properties), Customizable Logo, exciting DIY experience, Ultra large copper base, extensive compatibility (including TR4), 5V Addressable RGB, adjustable through motherboard or the included controller.