Dynatron R16 1U LGA 2011 Sandy Bridge EP/EX CPU Heatsink Cooler - NEW CPU Socket 2011, Socket 2011, Square ILM, (Mounting pitch: 80 x 80mm). CPU Support Intel Sandy Bridge EP/EX Processors. Solution 1U Solution. Overall Dimension 90.0 x 90.0 x 28.0 mm. Material Vapor Chamber Base with Copper Stacked Fin; Fan Dimension 80 x 80 x 15 mm; Bearing 2 Ball Bearing; Rated Voltage 12 V; Lead Wire Pin Out: Pin1- (-); Pin2- (+); Pin3- (Techometer/Signal output); Pin4- (PWM); Note: 1. Support CPU Power up to 150 Watts; 2. Pre-print thermal compound Shin-Etsu G751; 3. RoHS Compliance; 4. Backplate is not included;