X4 is an all new multi platform cpu cooler which has been developed from the hugely popular ak 965 heatsink now compatible with four different mounting types to make it suitable for all current amd and intel processors the low noise x4 utilizes three long heatpipes precision embedded in a copper base for rapid and even heat absorption and transfer to 45 aluminium fine fins the pwm fan provides quiet controlled performance and efficient heat dissipation x4 is designed to incorporate automa