These are brand new tray processors in their original AMD clamshells with sticker. The 5900XT, launched in 2024, has a 100 MHz lower base and boost clock speed than the 5950X, but is identical in every other way.
MSI PRO B650-S WIFI AMD Socket AM5 AMD Ryzen 7 7th Gen AMD Ryzen 9 7th Gen Socke
AMD Ryzen 9 9900X Processor (radeon graphics integrated, 12 Cores/24 Thread
AMD Ryzen 9 9950x AM5 CPU - 16 Cores, 32 Threads
AMD Ryzen 9 5950X Desktop Processor (4.9GHz, 16 Cores, Socket AM4)
AMD Ryzen 9 5900X Desktop Processor (4.8GHz, 12 Cores, Socket AM4) Box
