Socket AM4 is a CPU socket used by AMD for its desktop processors, including Ryzen and Ryzen Threadripper CPUs. It was introduced in 2016 to replace the older AM3+ socket and is part of the AMD Ryzen desktop platform. Socket AM4 supports a wide range of AMD processors, offering compatibility with various Ryzen CPU models, as well as some Athlon and A-series APUs. It provides a future-proof platform with support for DDR4 memory, PCIe 3.0, and other modern technologies. Socket AM4 motherboards come in different chipsets, offering varying features and performance levels to cater to different user needs and budgets.