1 PCIe x16 slot supports PCIe 4.0 (Note 2) / 3.0 and x4 (PCIEX4). AMD Ryzen 5000 Series Processors/3rd Gen AMD Ryzen™™ Processors 2 PCIe x1 slots support PCIe 4.0 /3.0. Gen AMD Ryzen Processors/ Gen AMD Ryzen Integrated Radeon™ Vega Graphics Processors/AMD Ryzen™™™ Integrated Radeon™™™ Vega Graphics Processors.
eBay