Placa de baza MSI B550-A PRO Socket AM4 911-7C56-007 / 4719072733667 SPECIFICATIONS Model Name B550-A PRO CPU Support Support for 3rd Gen AMD® Ryzenth processors and future AMD® Ryzen™ processors with BIOS update CPU Socket AMD Socket AM4 Chipset AMD® B550 Chipset Graphics Interface 1x PCIe 4.0 / 3.0 x16 slot + 1x PCIe 3.0 x16 slot Support 2-way AMD® CrossFire™ Technology Display Interface DisplayPort, HDMI – Requires Processor Graphics Memory Support 4 DIMMs, Dual Channel DDR4-4400 MHz (OC) Expansion Slots 2x PCI-E 3.0 x1 slots Storage 1 x M.2 Gen4 x4, 1 x M.2 Gen3 x4 slot 6x SATA 6Gb/s ports USB ports 2x USB 3.2 Gen 2 10Gbps (1 Type-A + 1 Type-C) + 5x USB 3.2 Gen 1 5Gbps (4 Type-A+ 1 Type-C) + 8 x USB 2.0 LAN Realtek® RTL8111H Gigabit LAN Audio 8-Channel (7.1) HD Audio with Audio Boost https://www.msi.com/Motherboard/B550-A-PRO/Specification