Arctic’s Freezer 50 TR Air Cooler w/ RGB for AMD’s Threadripper Launched
The manufacturer does not disclose the cooler’s rated TDP, but says that it can cool down Ryzen Threadripper 2990WX as well as CPUs ‘of 32 cores and beyond’. So as we've seen with some other air coolers of this size (which can handle upwards of 340W) it's a reasonable bet that the 50 TR can dissipate at least 250 W of heat, leaving some additional headroom for overclocking and/or future processors with a higher TDP.
https://www.anandtech.com/show/14998/arctics-freezer-50-tr-air-cooler-w-rgb-for-amds-threadripper-launched