Motherboard MSI B550M-A Pro

Micro-ATX motherboard for AMD Ryzen processors on the AM4 socket, built on the B550 chipset. It suits a compact gaming or office PC with one graphics card and one M.2 SSD.

Specifications

• Chipset / socket: AMD B550 / AM4
• Processors: AMD Ryzen 5000 and 3000 Series, Ryzen 4000 G-Series
• Memory: 2 × DDR4 slots, up to 64 GB, dual channel, up to 4600 MHz (OC)
• Expansion slots: 1 × PCIe 4.0 x16, 1 × PCIe 3.0 x1
• Storage: 1 × M.2 (PCIe 4.0 or SATA, 2242 to 2280), 4 × SATA 6 Gb/s, RAID 0/1/10
• Rear USB: 4 × USB 3.2 Gen 1 (5 Gbps) Type-A, 2 × USB 2.0
• Video outputs: HDMI 2.1, DVI-D
• Network: Realtek RTL8111H Gigabit Ethernet
• Audio: Realtek ALC892/ALC897, 7.1 channels
• Form factor: Micro-ATX, 23.6 × 20 cm

Good to know

• The HDMI and DVI-D outputs work only with a Ryzen processor that has integrated graphics.
• Not compatible with the Ryzen 5 3400G and Ryzen 3 3200G.
• PCIe 4.0 depends on the processor: some Ryzen models, such as the G-Series, are limited to PCIe 3.0.
• No built-in Wi-Fi.