Mainboard ASROCK AMD B550 SAM4 ATX 2xPCI-Express 3 0 1x 1xPCI-Express 3 0 16x 2xM 2 1xPCI-Express 4 0 16x Memory DDR4 Memory slots 4 1x15pin D-sub 1xHDMI 1xUSB type C 5xUSB 3 2 1xPS 2 1xRJ45 3xAudio port B550PRO4

AMD B550 , ATX , Audio 7.1 channels , CPU AMD , Socket Socket AM4 , Supported memory types DDR4-SDRAM , 4xNumber of memory slots , Memory slots type DIMM , Supported storage drive interfaces M.2,SATA III , 4xUSB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity , 1xUSB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity , 1xUSB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity , 1xEthernet LAN (RJ-45) ports , 1xVGA (D-Sub) ports quantity , 1xHDMI ports quantity , Weight 465 g