The AMD A520 is an entry-level chipset that supports Ryzen 3000 to Ryzen 5000 processors based on the Zen 2 and Zen 3 architecture. Unlike the AMD chipsets B550 and X570, the A520 does not support PCIe 4.0 or overclocking. However, motherboards with the A520 chipset support PCIe 3.0 and provide a reliable foundation for office and home users for their PCs.