Dynatron G555 2U CPU Fan For Intel Xeon 5500 Series LGA1366 CPU

Description Specifications Mfr Part Number: G555 CPU Application: Intel Xeon 5500 Series Nehalem EP Processor Socket LGA 1366 for 2U Server & Up Material: Copper Base & Aluminum Fins with Heatpipes embeded Fan: Speed: 1000 ~ 5500 rpm Bearing: 2x Ball Rated Voltage: 12 V Power: 0.54 ~ 9 W Air Flow: 8.36 ~ 53.899 cfm Noise Level: 20.6 ~ 51.4 dBA Air Pressure: 0.009 ~ 0.220 inch-H2O Lead Wire Pin Out: Pin1-Black (-); Pin2-Yellow ( ); Pin3-Green (Techometer/Signal output); Pin4-Blue (PWM) Dimensions: Fan: 77 x 77 x 20 mm Overall: 94 x 89.5 x 64 mm Weight: 460 g