MSI B550-A PRO Desktop Motherboard - AMD B550 Chipset - Socket AM4 - ATX - 128 GB DDR4 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 6 x SATA Interfaces

ATX form factor brings a significant number of PCI slots, expansion slots, and peripheral ports with an enhanced heat dissipation capability DisplayPort host interface lets you conveniently connect multiple monitors to increase productivity DDR4 SDRAM compatible slot - Installs memory that reduces processors idle time and enhances computers performance Supported 0 RAID levels provide data reliability and fault tolerance HDMI interface connects variety of HD devices including Gaming Controllers, Blu-ray players, laptops, PCs, digital cameras and many others for you to experience the ultimate HD display With 4 USB 2.0 ports, connect devices for a quick data movement Ryzen 3 processors supported for enhanced, dependable system performance with maximum usability