🚚 Free Worldwide Shipping on All Orders!Shop Now
Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
HomeStore

MB MSI B550M-A PRO

MB MSI B550M-A PRO

MSI B550M-A PRO Motherboard

High-performance Micro-ATX motherboard built for AMD Ryzen 5000, 4000 G-Series, and 3000 Series processors, delivering reliable performance for gaming, productivity, and everyday desktop builds. (MSI)

CPU Socket:
AM4

Chipset:
AMD B550

Supports Processors:

  • AMD Ryzen 5000 Series

  • AMD Ryzen 4000 G-Series

  • AMD Ryzen 3000 Series

  • Not compatible with Ryzen 5 3400G & Ryzen 3 3200G

Form Factor:
Micro-ATX

Memory Type:
DDR4

Memory Slots:
2 × DDR4 DIMM

Maximum Memory Capacity:
64GB

Memory Speed:
Up to DDR4 4600+ MT/s (OC)

Memory Architecture:
Dual Channel

Supports:

  • A-XMP

  • ECC UDIMM (Non-ECC Mode)

  • Non-ECC Unbuffered Memory

Expansion Slots:

  • 1 × PCIe 4.0 x16

  • 1 × PCIe 3.0 x1

Storage:

  • 1 × M.2 PCIe 4.0 x4 / SATA

  • 4 × SATA III 6Gb/s

Supports RAID:

  • RAID 0

  • RAID 1

  • RAID 10

Networking:
Realtek RTL8111H Gigabit LAN

Audio:
Realtek ALC892 / ALC897 7.1-Channel HD Audio

Video Outputs (with Ryzen processors featuring integrated graphics):

  • 1 × HDMI 2.1

  • 1 × DVI-D

Maximum Resolution:

  • HDMI: 4096 × 2160 @ 60Hz

  • DVI-D: 1920 × 1200 @ 60Hz

Rear USB Ports:

  • 4 × USB 3.2 Gen1 Type-A (5Gbps)

  • 2 × USB 2.0 Type-A

Internal Headers:

  • 1 × USB 3.2 Gen1 Header

  • 2 × USB 2.0 Headers

  • 1 × CPU Fan Header

  • 1 × System Fan Header

  • 1 × TPM Header

  • Front Panel Audio Header

  • Clear CMOS Jumper

Cooling Features:

  • Frozr AI Cooling

  • Fan Speed Control

  • Hardware Monitoring

BIOS Features:

  • Click BIOS 5

  • UEFI BIOS

  • EZ Debug LED

Operating System:
Windows 10 64-bit

Dimensions:
236 × 200 mm

Perfect for: Budget Gaming PCs, AMD Ryzen 3000/4000G/5000 Series Processors, PCIe 4.0 Graphics Cards, Fast NVMe Storage, Office Systems, and Everyday Desktop Builds. 🚀🖥️⚡

$28.57

Original: $81.63

-65%
MB MSI B550M-A PRO

$81.63

$28.57

Product Information

Shipping & Returns

Description

MSI B550M-A PRO Motherboard

High-performance Micro-ATX motherboard built for AMD Ryzen 5000, 4000 G-Series, and 3000 Series processors, delivering reliable performance for gaming, productivity, and everyday desktop builds. (MSI)

CPU Socket:
AM4

Chipset:
AMD B550

Supports Processors:

  • AMD Ryzen 5000 Series

  • AMD Ryzen 4000 G-Series

  • AMD Ryzen 3000 Series

  • Not compatible with Ryzen 5 3400G & Ryzen 3 3200G

Form Factor:
Micro-ATX

Memory Type:
DDR4

Memory Slots:
2 × DDR4 DIMM

Maximum Memory Capacity:
64GB

Memory Speed:
Up to DDR4 4600+ MT/s (OC)

Memory Architecture:
Dual Channel

Supports:

  • A-XMP

  • ECC UDIMM (Non-ECC Mode)

  • Non-ECC Unbuffered Memory

Expansion Slots:

  • 1 × PCIe 4.0 x16

  • 1 × PCIe 3.0 x1

Storage:

  • 1 × M.2 PCIe 4.0 x4 / SATA

  • 4 × SATA III 6Gb/s

Supports RAID:

  • RAID 0

  • RAID 1

  • RAID 10

Networking:
Realtek RTL8111H Gigabit LAN

Audio:
Realtek ALC892 / ALC897 7.1-Channel HD Audio

Video Outputs (with Ryzen processors featuring integrated graphics):

  • 1 × HDMI 2.1

  • 1 × DVI-D

Maximum Resolution:

  • HDMI: 4096 × 2160 @ 60Hz

  • DVI-D: 1920 × 1200 @ 60Hz

Rear USB Ports:

  • 4 × USB 3.2 Gen1 Type-A (5Gbps)

  • 2 × USB 2.0 Type-A

Internal Headers:

  • 1 × USB 3.2 Gen1 Header

  • 2 × USB 2.0 Headers

  • 1 × CPU Fan Header

  • 1 × System Fan Header

  • 1 × TPM Header

  • Front Panel Audio Header

  • Clear CMOS Jumper

Cooling Features:

  • Frozr AI Cooling

  • Fan Speed Control

  • Hardware Monitoring

BIOS Features:

  • Click BIOS 5

  • UEFI BIOS

  • EZ Debug LED

Operating System:
Windows 10 64-bit

Dimensions:
236 × 200 mm

Perfect for: Budget Gaming PCs, AMD Ryzen 3000/4000G/5000 Series Processors, PCIe 4.0 Graphics Cards, Fast NVMe Storage, Office Systems, and Everyday Desktop Builds. 🚀🖥️⚡