MSI PRO B550M-P GEN3 Motherboard (AM4)

Business Elegance. Reliable Performance.

The MSI PRO B550M-P GEN3 motherboard is designed for professionals and system builders who demand stability, performance, and long-term reliability. Built on the AMD B550 chipset, it fully supports AMD Ryzen™ processors and delivers essential features for productivity, office systems, and entry-level gaming builds.

Key Features

DDR4 Boost

Advanced memory signal technology delivers pure data signals for improved stability and better overall performance.

Audio Boost

High-quality audio components provide studio-grade sound for an immersive listening experience.

Turbo M.2

Supports PCIe Gen3 x4, maximizing NVMe SSD performance for faster boot times and data transfers.

EZ Debug LED

Quick and easy troubleshooting with onboard LEDs that indicate CPU, memory, GPU, or boot issues.

Core Boost

Premium power layout and fully digital power design ensure stable power delivery for multi-core CPUs.

PCI-E Steel Armor

Reinforced PCI-E slot protects graphics cards against bending and EMI interference.

Specifications

Model Name:
MSI PRO B550M-P GEN3

CPU Support:

• AMD Ryzen™ 5000 Series

• Ryzen™ 5000 G-Series

• Ryzen™ 4000 G-Series

• Ryzen™ 3000 Series

CPU Socket:

• AMD AM4

Chipset:

• AMD B550

Graphics Interface:

• 1 × PCI-E 3.0 x16 slot

Display Outputs:

• HDMI™ (supports up to 4K @ 30Hz)

• VGA

• DVI-D
  (Requires processor with integrated graphics)

Memory Support:

• 4 × DDR4 DIMM slots

• Dual Channel

• Up to DDR4-4400+ MHz (OC)

Expansion Slots:

• 2 × PCI-E 3.0 x1 slots

Storage:

• 1 × M.2 Gen3 x4 (32Gbps) slot

• 4 × SATA 6Gb/s ports

USB Ports:

• 6 × USB 3.2 Gen 1 (5Gbps) Type-A

• 8 × USB 2.0

LAN:

• Realtek® RTL8111H Gigabit LAN

Audio:

• 8-Channel (7.1) HD Audio with Audio Boost

Rear I/O Connections

1. Keyboard / Mouse (PS/2)

2. VGA

3. USB 2.0

4. USB 3.2 Gen 1 (5Gbps) Type-A

5. LAN (RJ-45)

6. Audio connectors

7. USB 2.0

8. DVI-D

9. HDMI™

10. USB 3.2 Gen 1 (5Gbps) Type-A

Ideal For

• Office & business PCs

• Workstations

• Home productivity builds

• Reliable Ryzen-based systems