Laminar RH1 Cooler Heatsink Specifications Heatsink fin material: Aluminum Heatsink base/core material: Copper Heat Column Heatsink fastener (Attaches to supplied backplate) material: Stainless Steel Intel Laminar RH1 Cooler Thermal Solution Specifications Overall Height Up to 69mm (top of fan to bottom of heatsink) Overall Size Up to 103mm x 103mm Mass Up to 450g Sound Power Level 2.6 BA (1600 RPM, 40C inlet, 65W); 4.5 BA (max RPM) Sound Pressure Level 16 dBA (1600 RPM, 40C inlet, 65W) TDP Support Up to 65W (12th Gen Intel Core Desktop Processors) Fan Type PWM controlled variable speed fan LEDs ARGB LED light ring and white LED Intel logo Connector Types 4-pin and 5V ARGB Operating Voltage 13.2V max, 12.0V rated, 10.8V min Current (peak) Up to 450mA Max RPM (+/- 5%) Up to 3000 RPM Min RPM (+/- 20%) 1000 RPM Operating Temp 0 to 70C Operating Humidity 85% relative humidity @ 55C Fan Protection Locked-rotor/polarity protected Sense Frequency 2 pulses/Rev, 12V pull-up with 10Kohm PWM Frequency 25KHz +/- 5KHz PWM Pull-up Voltage 5.25V max PWM Duty Cycle Range 0?100%