MSI B550M-A PRO DDR4 AMD AM4 Motherboard
A micro-ATX motherboard for AMD AM4 desktop builds, based on the B550 chipset. It supports selected Ryzen 5000, 3000 and 4000G processors, DDR4 memory and PCIe 4.0 storage and graphics connectivity.
Key specifications
- Socket: AMD AM4
- Chipset: AMD B550
- CPU support: Ryzen 5000 and 3000 series; supported Ryzen 4000G desktop APUs. Not compatible with Ryzen 5 3400G or Ryzen 3 3200G.
- Form factor: Micro-ATX
- Memory: 2 × DDR4 DIMM, up to 64GB; up to 4600MHz (OC)
- Expansion: 1 × PCIe 4.0/3.0 x16 and 1 × PCIe 3.0 x1
- Storage: 1 × M.2 PCIe Gen4 x4 and 4 × SATA 6Gb/s
- Display: HDMI 2.1 and DVI-D (CPU dependent)
- Networking: Realtek RTL8111H Gigabit LAN
- Audio: Realtek ALC892/ALC897 7.1-channel HD audio























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