Used. Only replaced to upgrade PC. Works Perfectly. No Box. The AMD Ryzen 9 7900X is a high-performance processor with 12 cores and 24 threads, offering a clock speed of 4.7 GHz and a maximum boost speed of 5.6 GHz. It features a large L3 cache size of 64 MB and a CPU socket type of LGA 1718/Socket AM5. The Ryzen 9 7900X is designed for demanding computing tasks such as gaming, multi-threaded workloads, and content creation, offering excellent performance and efficiency for a wide range of applications. Made by AMD, this processor is a top choice for those seeking a powerful and reliable CPU for their computing needs.