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  6. Item#: N82E16813144372

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MSI PRO B550M PRO AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard

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  • AMD B550
  • Support 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen 4000 G-Series Desktop Processors
  • Supports DDR4 4600+/ 4400/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
  • Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
  • 1DPC 1R max speed 4600 MHz
  • 1DPC 2R max speed 3866 MHz
Specs
Reviews (4)

Learn more about the MSI B550M PRO

Model
Brand MSI
Series PRO
Model B550M PRO
Supported CPU
CPU Socket Type CPU Socket TypeAM4
CPU Type Support 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen 4000 G-Series Desktop Processors
Chipsets
Chipset ChipsetAMD B550
Memory
Number of Memory Slots 2x288pin (DDR4)
Memory Standard Supports DDR4 4600+/ 4400/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC

1DPC 1R max speed 4600 MHz
1DPC 2R max speed 3866 MHz
Maximum Memory Supported 64GB
Channel Supported Channel SupportedDual Channel
Expansion Slots
PCI Express 4.0 x16 1 x PCIe x16 slot (PCI_E2):
B550M PRO supports PCIe 4.0/3.0
* The supported specification depends on installed processor.
PCI Express x1 2 x PCIe 3.0 x1 slots
Storage Devices
SATA 6Gb/s SATA 6Gb/s4 x SATA 6Gb/s
M.2 1 x M.2 slot (Key M) (from AMD Processor):
B550M PRO Supports PCIe 4.0/3.0 x4 *
Supports SATA 6Gb/s
Supports 2242/2260/2280 storage devices

* The supported specification depends on installed processor.
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset Onboard Video ChipsetSupported only by CPU with integrated graphic:
1 x VGA port, supports a maximum resolution of 2048x1536@50Hz, 2048x1280@60Hz, 1920x1200@60Hz2
1 x HDMI2.1, supports a maximum resolution of 4096x2160@60Hz 12
1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz2
Maximum shared memory of 16GB

1. Graphics specifications may vary depending on the CPU installed.
2. Available for the processor with integrated graphics.
Onboard Audio
Audio Chipset Audio ChipsetRealtek ALC892/ALC897 Codec
Audio Channels Audio Channels7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 1Gbps
Rear Panel Ports
Back I/O Ports 1 x DisplayPort / 1 x D-Sub / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 Keyboard/Mouse Combo / 2 x USB 2.0/1.1 / 3 x Audio Jacks / 4 x USB 3.2 Gen 1
Internal I/O Connectors
Onboard USB 1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
Other Connectors 1 x Serial port connector
1 x 4-pin CPU fan connector
1 x 4-pin system fan connector
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x 4-pin RGB LED connector
1 x 3-pin RAINBOW LED connector
1 x TPM module connector
1 x Clear CMOS jumper
Physical Spec
Form Factor Micro ATX
LED Lighting RGB
Dimensions (W x L) 9.6" x 8.3"
Power Pin 1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Software Feature
Windows 11 Supported
Features
Features Support 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen 4000 G-Series Desktop Processors

Supports DDR4 Memory, up to 4600(OC) MHz

Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr

M.2 Shield Frozr: Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster

Core Boost: With premium layout and digital power design to support more cores and provide better performance

DDR4 Boost: Advanced technology to deliver pure data signals for the best performance and stability

2oz Thickened Copper PCB: An enhanced PCB design improves heat dissipation and performance reliability

Audio Boost: Reward your ears with studio grade sound quality

Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface
Additional Information
Date First Available December 09, 2020

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

Manufacturer Contact Info

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MSI PRO B550M PRO AM4 AMD B550 SATA 6Gb/s Micro ATX AMD MotherboardMSI PRO B550M PRO AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard
MSI PRO B550M PRO AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard
Out of Stock
SpecsReviews (4)Warranty & Returns