1-Intel Core i9-13900KF: The flagship 13th Gen CPU from Intel with 24 cores is a powerful processor for gaming and productivity tasks. Note that the "F" in the name means it doesn't have integrated graphics, so a discrete GPU is needed (which you have).
2-Cooler Master MasterLiquid ML360L ARGB V2: This is a liquid CPU cooler suitable for the high-performance CPU you've chosen. It will ensure that your CPU stays cool even under heavy loads.
3-ASUS Prime Z790-P WiFi 6E DDR5: A top-tier motherboard that supports 13th and 12th gen Intel processors and DDR5 RAM, which you've chosen. It's compatible with your selected CPU and RAM.
4-Kingston KC3000 1TB PCIe 4.0 NVMe M.2 SSD: A high-speed storage solution with read speeds of up to 7000MB/s, ensuring quick boot times and fast load times for games and applications.
5-Kingston FURY Beast RGB 16GB (1 x 16GB) 5600MHz DDR5: This is a fast DDR5 memory module, compatible with your chosen motherboard. However, for the best performance, you may want to consider adding another 16GB stick for dual-channel memory.
6-ASUS TUF Gaming GeForce RTX 4080 OC: A high-end GPU that should handle any current game on maximum settings. It will also be useful for GPU-accelerated tasks in professional software.
7-Seasonic FOCUS GX-850 850W 80+ Gold: A high-quality power supply unit with an 80+ Gold rating for energy efficiency. 850W should be enough for your components, but be sure to check the power requirements of the CPU and GPU specifically.
8-ASUS TUF Gaming GT501 Mid-Tower Case: This case can accommodate up to EATX motherboards, so your ATX motherboard should fit without issues. Just make sure your cooler and GPU will fit in this case as well.