Mainboard, Asus, AMD B550, SAM4, ATX, 3xPCI-Express 3.0 1x, 1xPCI-Express 3.0 4x, 1xPCI-Express 4.0 16x, 2xM.2, Memory DDR4, Memory slots 4, 1xHDMI, 1xDisplayPort, 2xAudio-In, 3xAudio-Out, 2xUSB 2.0, 1xUSB type C, 5xUSB 3.2, 1xOptical S/Pdif, 1xRJ45, ROGSTRIXB550-AGAMING

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 PCI Express 3.0 | 2xUSB 2.0 ports quantity | 4xUSB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2xUSB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1xHDMI ports quantity | Weight 945 g

Warranty and RMA handling is provided by DELTA IT — you never have to contact the manufacturer or distributor separately.