Ryzen™ 9 3900XT Specifications: # of CPU Cores 12 # of Threads 24 Base Clock 3.8GHz Max Boost Clock Up to 4.7GHz Total L2 Cache 6MB Total L3 Cache 64MB Unlocked Yes CMOS TSMC 7nm FinFET Package AM4 PCI Express® Version PCIe 4.0 Default TDP / TDP 105W System Memory Specification Up to 3200MHz System Memory Type DDR4 Supported Technologies AMD StoreMI Technology AMD Ryzen™ Master Utility