MSI B550-A PRO AM4 ATX Motherboard - Memory Support: 4x DDR4 DIMM Slots (128GB, 4400 MHz O.C) - Graphics Interface: 1x PCIe 4.0 x16, 1x PCIe 3.0 x16 - Supports 2-Way AMD CrossFire - Expansion Slots: 2x PCIe 3.0 x1 - Storage Support: 2x M.2 Slots & 6x SATA 6Gb/s Connectors - Total USB Ports: 2x USB 3.2 Gen 2 (1x USB-C), 5x USB 3.1 Gen 1 (1x USB-C) & 8x USB 2.0 - Network: Realtek RTL8111H Gigabit LAN - 3 Years Limited Warranty - Open Box

Manufacturer Warranty: 12 Months Limited Warranty

Manufacturer Contact Info: http://au.msi.com, 1300 222 688

**A BIOS update may be required to support the latest AMD Ryzen processors. Please check the manufacturer's website for more details.**