The article describes a custom PC build for a 25 Gigabit Linux internet router, with goals of high performance, low noise, and low power consumption. The build uses an AMD Ryzen CPU, an ASRock B550 Taichi mainboard, and two Intel-based network cards. The author also considers alternatives, such as using a laptop motherboard or a rackmount server, and discusses the power consumption of the build. The router is also used as a server, replacing two existing devices.