Cooler Master LGA775 2U Heatsink/Fan for Xeon X3380, X3370, X3360, X3350, X3330, X3320, L3360 Designed for Xeon X3380, X3370, X3360, X3350, X3330, X3320, L3360 LGA 775 Screws Mounting Type 2U Active Solution PWM Control, Speed Sensor (Tach Output) Cooler Master S2N-7DDLS-L6-GP