MSI PRO B550M-P Motherboard, AMD AM4, B550, Micro-ATX, 4x DDR4, 128GB Max, Dual M.2, Gigabit LAN

Featuring PCIe 4.0 support, the MSI PRO B550M-P delivers premium connectivity for compact business builds. This micro-ATX motherboard is engineered to unlock the full potential of AMD Ryzen processors, offering rapid storage and graphics performance in a space-saving design.

Overview

The MSI PRO B550M-P is a robust foundation for office PCs, home servers, and everyday computing. With four DDR4 memory slots, dual M.2 connectors, and a comprehensive suite of USB ports, it provides flexibility and headroom for future upgrades. Its trusted Realtek components ensure stable networking and clear audio.

What stands out

• PCIe 4.0 support for high-speed SSDs and GPUs
• 4 DIMM slots supporting up to 128GB DDR4 memory
• Dual M.2 slots for flexible storage expansion
• USB 3.2 Gen 2 Type-A ports for rapid data transfer
• Onboard video outputs: HDMI 2.1, DisplayPort 1.4, DVI-D

Technical details

• Socket: AMD AM4
• Chipset: AMD B550
• Form Factor: Micro-ATX
• Memory: 4 x DDR4 DIMM, up to 128GB, max OC speed 4400MHz
• PCIe x16: 2 slots (Gen4 and Gen3)
• PCIe x1: 2 slots (Gen3)
• SATA: 4 x SATA III
• M.2: 2 slots (PCIe 4.0 x4 and PCIe 3.0 x4/SATA)
• LAN: Realtek RTL8111H Gigabit Ethernet
• Audio: Realtek ALC897, 7.1-channel HD Audio
• Rear USB: 2x USB 3.2 Gen2 Type-A, 2x USB 3.2 Gen1 Type-A, 2x USB 2.0
• Display: HDMI 2.1, DisplayPort 1.4, DVI-D
• BIOS: UEFI AMI, Flash BIOS Button

Our verdict

For a budget-friendly B550 board, the PRO B550M-P offers excellent connectivity and room to grow. Its combination of PCIe 4.0, dual M.2, and USB 3.2 Gen2 makes it an outstanding value for a business desktop or a dependable home PC.