bought this at micro center and ended up not building the system. never opened the box. still brand new.. free shipping for lower 48 states only. no shipping outside of U.S. The AMD Ryzen 9 9900X 12-Core processor offers powerful performance with a clock speed of 4.4 GHz and a maximum boost speed of 5.6 GHz. It features a generous 12 MB of L2 cache and 64 MB of L3 cache, ensuring efficient processing for a wide range of tasks. The processor supports Socket AM5 and comes with a 3-year manufacturer warranty, making it a reliable choice for high-performance computing needs. With its 12 cores and 24 threads, this Ryzen 9 processor from AMD is designed to handle demanding workloads smoothly and efficiently.