Dynatron's J23 is a 2U CPU heatsink and blower for AMD's Socket SP7 "Venice" processors. Made with aluminum base with copper heat spreaders, aluminum fins, and heat pipes with two blower fans to cool up to 450W TDP at 30°C.
Dynatron's J22 is a passive 2U heatsink for AMD's Socket SP7 "Venice" processors. Made with aluminum fins, copper heatpip, and a vapor chamber to cool up to 600W TDP at 30°C; and 40CFM. Manufacturer Dynatron.