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MSI PRO B550M-P Motherboard, mATX - Supports AMD Ryzen 5000/5000 G-Series, 4000 G-Series, 3000/3000 G-Series Desktop Processors, AM4 - DDR4 Memory Boost (up to 4400+ MT/s OC), PCIe 4.0 x16, M.2 Gen4

  • Based on 13 reviews
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Availability: In Stock.
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Arrives Tuesday, Sep 1
Order within 10 hours and 54 minutes
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Features

  • RYZEN 5000 READY, HIGH PERFORMANCE - The PRO B550M-P is a micro-ATX motherboard outfitted with the AMD B550 chipset (AM4, Ryzen 5000 ready); The VRM features MSI Core Boost technology for improved stability & performance
  • PASSIVE & AI COOLING - A chipset heatsinks provide passive cooling; Frozr AI cooling automatically adjusts system fan settings based on CPU & GPU temperatures
  • DDR4 MEMORY, PCIe 4.0 x16 SLOT - 4 x DDR4 DIMM slots enable extreme memory overclocking speeds (1DPC 1R, up to 4400+ MT/s OC); 1 x PCIe 4.0 x16 slot (64GB/s) with Steel Armor supports cutting-edge graphics cards
  • DOUBLE M.2 CONNECTORS - Storage options include 1 x M.2 Gen4 x4 64Gbps slot and 1 x M.2 Gen3 x4 32Gbps slot
  • WELL CONNECTED - Network hardware includes a Gigabit LAN controller; Rear ports include USB 5Gbps Type-A, and 7.1 HD Audio with Audio Boost

Description

PRO B550M-P: Business Elegance Designed for efficient and stable performance on the AMD B550 chipset (Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 / 3000 G-Series supported, AM4), the MSI PRO B550M-P motherboard includes premium GPU support with a PCIe 4.0 x16 slot, improved DDR4 memory support (up to 4400+ MT/s OC), and extensive M.2 Gen4 storage options. With a fully digital VRM power design featuring Core Boost technology and augmented with passive & active - Frozr AI - cooling, the MSI PRO B550M-P is a business- oriented Micro-ATX motherboard that ensures reliable power delivery to the Ryzen 5000 processors. MSI B550 PRO motherboards feature durable PCBs with 2oz of thickened copper for improved signal clarity. Connectivity includes Realtek 1G LAN, USB 5Gbps Type-A, 4K/60Hz display support, and 7.1 HD audio. For professionals looking for an efficient AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 / 3000 G-Series platform that unites PCIe 4.0 x16 graphics card architecture, improved DDR4 support, and M.2 Gen4 storage options into one elegant design, the MSI PRO B550M-P epitomizes business elegance.

Brand: msi


CPU Socket: Socket AM4


Compatible Devices: Personal Computer


RAM Memory Technology: DDR4


Compatible Processors: Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors See more


Chipset Type: AMD B550


Memory Clock Speed: 4400


Platform: Windows 11


Model Name: B550M-P


Graphics Card Interface: PCI Express


Processor Socket: Socket AM4


Compatible Devices: Personal Computer


RAM Memory Technology: DDR4


Compatible Processors: Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors


Chipset Type: AMD B550


Memory Clock Speed: 4400


Platform: Windows 11


Graphics Card Interface: PCI Express


Memory Slots Available: 4


Number of Ethernet Ports: 1


Total PCIe Ports: 1


Chipset Family: AMD B550


Brand: msi


Model Name: B550M-P


Model Number: PRO B550M-P


Manufacturer: MSI


Number of Items: 1


UPC: 824142462966


Mfr Part Number: PRO B550M-P


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Sep 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Work great for my Ryzen build
I bought this motherboard for a Ryzen 5 5600 build and it has been a great choice for my budget PC. Installation was straightforward, and I had no issues getting everything set up and running. The BIOS is easy to understand, and having two M.2 slots is a nice feature because I can add more storage in the future without changing the motherboard. I was originally considering spending more on a higher-end B550 board, but for a normal gaming and everyday PC, this board has done everything I needed. If you're building an AM4 system and want something reliable without paying extra for features you may not use, this is a solid option. ... show more
Reviewed in the United States on July 22, 2026 by Carly

  • good budget board
grabbed a 5500 off a friend wanted to make a budget pc for my 10 year old. this does just the job and the price is amazing. The good price doesn’t have any compromises in features. i was willing to give up aesthetics to save the extra 20/30$. it booted up first try and was stable so far and im pretty happy with this especially for the price. ... show more
Reviewed in the United States on July 30, 2026 by rip pop smoke

  • Reliable motherboard
I’m pretty new to building gaming PCs, and this motherboard was a great choice for my first build. The setup was easier than I expected, and everything worked without giving me any trouble. It had everything I needed to get started, and my PC has been running smoothly ever since. For the price, I think it’s a great option if you’re just getting into PC gaming or building your first computer. I didn’t have to spend a lot to get a reliable setup. Overall, I’d definitely recommend it to other beginners looking for a solid starter motherboard. ... show more
Reviewed in the United States on July 15, 2026 by Tracy

  • Perfect Budget AM4 Board
I bought this motherboard specifically to pair with low-cost DDR4 RAM to keep my build budget down, and it has been fantastic. Going with this mature platform is the smartest way to save money right now, and this board delivers exactly what I needed: rock-solid reliability at an excellent price. As always with MSI, you get their traditionally best-in-class AMD BIOS, making setup completely painless. If you want a highly cost-effective, dependable build without overpaying, Buy this ... show more
Reviewed in the United States on July 14, 2026 by Nico

  • Compact, reliable, and easy to build with
Great motherboard for a budget PC build. Installation was straightforward, everything worked as expected, and the system has been stable. Good quality and excellent value for the price.
Reviewed in the United States on July 27, 2026 by Erica

  • Dropped pc computer.
Works great,had to replace dropped pc computer.
Reviewed in the United States on July 31, 2026 by D nieves

  • Good mobo for the sale price
Works just fine. Pretty easy install.
Reviewed in the United States on August 26, 2026 by kym

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