The ASUS PN50 relies on AMD Ryzen 4000 mobile processors

The ASUS PN50 is built for AMD’s Ryzen 4000 series Renoir mobile chips — Ryzen 3 4300U, Ryzen 5 4500U, or Ryzen 7 4700U. There’s no socket to swap after purchase, so pick the CPU tier you need at order time.