AMD B550 | micro ATX | Audio 7.1 channels | CPU AMD | Socket Socket AM4 | Supported memory types DDR4-SDRAM | 2xNumber of memory slots | Memory slots type DIMM | Supported storage drive interfaces M.2,NVMe,SATA III,PCI Express 4.0 | 5120 x 2880 pixels | 4xUSB 2.0 ports quantity | 1xUSB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1xUSB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1xEthernet LAN (RJ-45) ports | 1xHDMI ports quantity