DDR4 Memory Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC ModeCPU (Max Soportado) Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD Ryzen™ 4000 G-Series Desktop ProcessorsM.2 port 1Serial ports(Front) 1Chipset AMD® B550 ChipsetCanal de Memoria DualUSB 3.2 ports (Front) 2(Gen 1, Type A)DIMM Slots 2USB 3.2 ports (Rear) 4(Gen 1, Type A)Max Memoria (GB) 64PCI-Ex16 1PCI-E Gen Gen4 / Gen3PCI-Ex1 1SATAIII 4USB 2.0 ports (Front) 4RAID 0/1/10LAN 1x Realtek® RTL8111H Gigabit LANTPM 1Puertos USB 2.0 (Posterior) 2 (Type A)Puerto Audio (Posterior) 3 HD audio connectorsHDMI 1DirectX 12Form Factor MATXDVI-D 1Operating System Support for Windows® 10 64-bit