





Motherboard MSI PRO B550M-P
- CPU socket
- AM4
- Chipset (MB)
- AMD B550 MB
- Form factor
- Micro ATX
- Supported memory
- DDR4
- Number of memory slots
- 4
Description
MSI PRO B550M-P is a compact Micro ATX motherboard for AM4, aimed at budget and mid-range Ryzen configurations. It is based on the AMD B550 chipset and supports Ryzen 3000, 4000 G-Series, 5000 and 5000 G-Series processors, giving you a wide choice for CPU upgrades. With 4 DDR4 slots and up to 128 GB RAM, you have enough resources for gaming, work, and heavier multitasking scenarios. The built-in Realtek 7.1 audio and gigabit LAN cover basic needs without additional cards.
What you get
The AM4 socket and B550 chipset allow you to build a configuration with a modern Ryzen processor and rely on stability and good compatibility. The four DDR4 slots supporting up to 128 GB and frequencies up to 3200 MHz (O.C.) are more than enough for gaming and work machines, allowing you to start with 2 modules and later add more. Dual-channel memory helps the integrated graphics in G-Series processors and speeds up overall system response. One M.2 slot supporting PCIe 4.0/3.0 x4 and SATA gives you the option for a very fast system NVMe drive, while the 4 SATA3 ports and RAID 0/1/10 are ideal for a combination of HDD/SSD for storage. On the rear I/O, you have VGA, DVI-D, and HDMI, which is convenient if you use an APU with integrated video and an older or newer monitor.
- The AM4 socket supporting Ryzen 3000, 4000 G-Series, 5000 and 5000 G-Series processors gives you a wide choice from budget to more powerful CPUs.
- The Micro ATX form factor allows for a compact case without sacrificing essential expansion capabilities.
- 4 DDR4 slots with a maximum of 128 GB and frequencies up to 3200 MHz (O.C.) provide enough RAM for gaming, productivity, and future upgrades.
- 1 x M.2 (Key M) slot supporting PCIe 4.0/3.0 x4 and SATA (2242/2260/2280) allows for the use of a fast NVMe or more affordable SATA M.2 SSD.
- 4 x SATA3 6.0 Gb/s and support for RAID 0, 1, 10 provide flexibility for more drives and protection/acceleration according to your needs.
- 1 x PCIe 3.0 x16 slot for a graphics card plus 2 x PCIe 3.0 x1 for additional cards (audio, capture, network) expand the system's capabilities.
- Realtek ALC897 7.1-Channel HD Audio and Realtek RTL8111H Gigabit LAN cover quality sound and stable network connectivity for gaming and work.
- Rear I/O with VGA, DVI-D, and HDMI, plus USB 3.2 Gen 1 5Gbps and USB 2.0 ports, facilitates connection with new and old monitors and peripherals.
- 24-pin + 8-pin power connectors provide stable power supply to the CPU and other components.
Who it is suitable for
This motherboard is suitable if you want an affordable AM4 configuration for gaming, everyday work, or an office machine, without giving up on NVMe, RAID, and enough RAM. It is also a good choice for compact Micro ATX cases with one main GPU and several drives. If you are looking for more PCIe slots, Wi-Fi on the board, or higher RAM overclock potential, a more expensive B550/X570 model would be more appropriate.
The combination of the B550 chipset, support for the new Ryzen generations, and M.2 PCIe 4.0 slot in Micro ATX format makes MSI PRO B550M-P a very sensible base for a budget to mid-range Ryzen build with good upgrade prospects.
Full specifications
- Manufacturer
-
MSI
- CPU socket
-
AM4
- Chipset (MB)
- AMD B550
- Form factor
- Micro ATX
- Supported processors
-
Supports AMD AM4 Socket Ryzen 3000, 4000 G-Series and 5000 and 5000 G-Series Desktop Processors
- Supported memory
-
DDR4
- Number of memory slots
- 4
- Maximum RAM capacity
- 128 GB
- Memory frequency (MHz)
-
Up to 3200(O.C.)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Realtek ALC897 Codec7.1-Channel High Definition Audio
- Built-in Wi-Fi
-
No
- Built-in LAN
-
Realtek RTL8111H chip (10/100/1000 Mbit)
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0,1,10
- M2 slot
-
1x M.2 slot (Key M) (from AMD Processor)B550M PRO Supports PCIe 4.0/ 3.0 x4Supports SATA 6Gb/sSupports 2242/ 2260/ 2280 storage devices
- Expansion slots
-
1 x PCIe 3.0 x16 slot (From CPU)2 x PCIe 3.0 x1 slots (From AMD B550 chipset)
- Power connector
-
1 x 24-pin1 x 8-pin
- USB ports
-
1 x USB 3.2 Gen 1 5Gbps connectors (From AMD B550 Chipset)2 x USB 2.0 Type-A connectors (From AMD B550 Chipset)
- Graphics
-
1 x VGA port1 x HDMI 1.4 port1 x DVI-D port
- Dimensions
- 24.4 cm x 24.4 cm
- Processor generation
-
3rd generation4th generation5th generation
- Warranty
- 36 months
- OS
-
Microsoft Windows 10, Microsoft Windows 11
- Rear I/O panel
-
Keyboard / MouseVGAUSB 2.0USB 3.2 Gen 1 5Gbps Type-ALAN portAudio connectorUSB 2.0DVI-DHDMIUSB 3.2 Gen 1 5Gbps Type-A
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