Mainboard, Asrock, AMD B450, SAM4, ATX, 4xPCI-Express 2.0 1x, 2xPCI-Express 3.0 16x, 2xM.2, Memory DDR4, Memory slots 4, 1x15pin D-sub, 1xHDMI, 1xDisplayPort, 2xAudio-In, 1xAudio-Out, 2xUSB 2.0, 1xUSB type C, 5xUSB 3.2, 1xPS/2, 1xRJ45, B450PRO4R2.0

AMD B450 | 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 | 4096 x 2160 pixels | 2xUSB 2.0 ports quantity | 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

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