Dynatron K785 2U Active CPU Cooler 840556077742 Engineered for 2U rackmount and compact server applications, the Dynatron K785 delivers superior thermal management with its aluminum extruded radial heatsink featuring a copper core. Compatible with Intel LGA 115X and 1200 sockets, this active CPU cooler combines durability with high-efficiency performance. Its 77mm PWM fan with dual ball bearings offers variable speed control from 1,000 to 4,500 RPM, achieving up to 45.56 CFM airflow and 3.746 mm-H2O air pressure at 100% duty cycle. With a long 70,000-hour lifespan and M3 screw-type mounting, the K785 is a reliable cooling solution built for demanding environments. PRODUCT SPECIFICATION: CPU Support: Intel CPU Socket: LGA 115X/1200 Screw Type: M3 Installation Torque: 5-7 in-lb Material: Aluminum Extruded Radial Heatsink with Copper Core Solution: 2U Server and Up Dimensions: 90.0 x 90.0 x 62.0 mm Fan Dimension: 77x77x20 mm Weight: 500 g Speed: At Duty Cycle 20%: 1000 RPM At Duty Cycle 50%: 2500 RPM At Duty Cycle 100%: 4500 RPM Rated Voltage: 12V Bearing: 2 Ball Bearing Power: At Duty Cycle 20%: 0.84 W At Duty Cycle 50%: 1.44 W At Duty Cycle 100%: 6.0 W Air Flow: At Duty Cycle 20%: 10.12 CFM At Duty Cycle 50%: 25.30 CFM At Duty Cycle 100%: 45.56CFM Air Pressure: At Duty Cycle 20%: 0.185 mm-H2O At Duty Cycle 50%: 1.156 mm-H2O At Duty Cycle 100%: 3.746 mm-H2O Lead Wire Pin Out: Pin1- (-) Pin2- (+) Pin3- (Techometer/Signal output) Pin4- (PWM Life – Continuous operating under normal temperature (40 °C or 104 °F): 70,000 Hours
