ASUS ROG STRIX B550-A GAMING. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen\u2122 3. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 3.0, RAID levels: 0, 1, 10. Parallel processing technology support: 2-Way CrossFireX. Component for: PC, Motherboard form factor: ATX, Motherboard chipset family: AMD\n\nProcessorProcessor manufacturerAMDProcessor socketSocket AM4Compatible processor seriesAMD Ryzen\u2122 3MemorySupported memory typesDDR4-SDRAMNumber of memory slots4Memory slots typeDIMMECC \u0441ompatibilityECCSupported memory clock speeds2133,2400,2666,2800,3000,3200,3466,3600,3866,4000,4133,4400,4600 MHzMaximum internal memory128 GBStorage controllersSupported storage drive interfacesPCI Express 3.0RAID supportYesRAID levels0, 1, 10GraphicsParallel processing technology support2-Way CrossFireXInternal I/OUSB 2.0 connectors2USB 3.2 Gen 2 (3.g