Thermaltake CL-W0075 BigWater 735 12cm Liquid Cooling System for Intel LGA775 and AM2 Platform Designed for Intel P4 LGA775, Intel BTX platform and all AMD K8 series High performance radiator with a 120mm silent VR fan (1300 to 2400 rpm) Silent and powerful P400 liquid pump provides superb reliability, 400 L/hour Exceptional, high capacity liquid tank capable of holding 350 cc of liquid for continuous usage Second-to-none Copper Water Block with blue LED acrylic covering illuminates the CPU