THEMIS Evo, \"Designed in Germany\", is manufactured by several patents to reach advanced performance, high quality & workmanship, environmental protection and ease of use. With Anti-vibration rubbers and supporting all modern sockets, THEMIS Evo is your professional choice of cooling.Features:- Non-Copper base design (C.D.C. - CPU Direct Contact)- Patented pressing heat-pipe/fin technology to prevent the risk of heat-pipe damage- Patented solder-less louver fin assembly to increase heat-pipe ventilation- 100% Nickel heat-sink design- Compatible with all modern sockets of INTEL & AMD at market- Anti-Vibration rubber used to minimise movement and noise- Large dissipating area & elegant fin design- Easy installation and user friendlySpecification:- Dimensions: 122x82x165 mm- Weight: 614 g [Heat Sink Only]- Thermal Resistance: 0.11 C/W- Heat Sink Base Material CPU Direct Contact [C.D.C.]- Fin Material Aluminum Alloy; Solder-less fins assembly; Nickel- Heat-pipe: 4x SPEC F8mm- Fan Dimension [WxHxD] 120x120x25 mm- Voltage Rating 12V- Starting Voltage 7 V- Speed 10001500 RPM [PWM controlled]- Bearing Type Sleeve Bearing- Air Flow 43.865.68 CFM- Air Pressure 1.02.24 mmH2O- Life Expectance 40,000 hrs- Noise Level 24.53 dBA [Max.]- Connector 4 pin with PWM**For an AM4 bracket please visit the manufacturer support page with proof of purchase of the cooler and proof of purchase for the Ryzen CPU. We have some brackets available here - https://www.overclockers.co.uk/raijintek-am4-brackets-hs-029-rt.html . **