Name: MSI MSI B550M-B Motherboard PC base AMD AM4 Form factor (details) Micro-ATX Motherboard chipset AMD® B550
Brand: MSI
SKU: 3788458

MSI PRO B550M-B motherboard shown beside its retail box, a micro-ATX AMD B550 board with Lightning Gen 4 support.<br>

Top-down view of an MSI PRO B550M-B motherboard with CPU socket, RAM slots, PCIe slots, and rear I/O ports visible.

MSI PRO B550M-B microATX motherboard with AMD AM4 socket, two RAM slots, PCIe x16 slot, and rear I/O ports.

Black MSI PRO B550M-B microATX motherboard with AMD CPU socket, RAM slots, PCIe slots, rear USB, HDMI, and audio ports.

A row of computer I/O ports: two HDMI ports, a round PS/2 port above USB ports, two blue USB 3.0 ports, dual Ethernet and USB ports, and pink, green, and blue audio jacks.

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Highlights & Details

MSI MSI B550M-B Motherboard

Supports AMD Ryzen™ 5000 Series, 5000 G Series, 4000 G Series, and 3000 Series processors
Supports DDR4 memory with up to 4600 MT/s (OC)
Lightning-fast performance: PCIe 4.0 slot and Lightning Gen4 x4 M.2
EZ DIY EZ Debug LED, EZ-mount
Audio Boost: Indulge your ears with sound quality like in the studio
MSI Center: A brand new software that combines all exclusive MSI tools with a user-friendly interface.

Technical specifications

Audio: Realtek® ALC897 Codec
LAN: Realtek® RTL8111H 1Gbps LAN
Operating System: Support for Windows® 11 64-bit, Windows® 10 64-bit
USB: 2x USB 2.0 (rear); 4x USB 2.0 (front); 4x USB 5 Gbps Type A (rear); 2x USB 5 Gbps Type A (front); 1x USB 5 Gbps Type C (front)
LED-Function: 4x EZ Debug LED

Product type: Motherboard

Chipset: AMD® B550

: AMD AM4

Form factor: Micro-ATX

Processor/type: Unterstützt AMD Ryzen™ 5000, 5000 G, 4000 G, 3000, 3000 G

RAM type: DDR4 RAM

Clock speed: 2667 MHz
2800 MHz
2933 MHz
3000 MHz
3066 MHz
3200 MHz
3466 MHz
3600 MHz
3733 MHz
3866 MHz
4000 MHz
4133 MHz
4266 MHz
4400 MHz
4600 MHz
Show more

RAM / Max. upgrade: 64 GB

Interfaces: HDMI™
DisplayPort
USB C®
USB A (USB 3.2 1st gen)
USB A (USB 2.0)
RJ45
HD Audio

No. of DDR4 slots: 2 x

No. of Gigabit LANs: 1 x

No. of PCIe x16: 1 x

No. of USB 2.0 ports: 6 x

No. of USB 3.2: 6 x

No. of USB 3.0 ports: 1 x

No. of SATA III ports: 4 x

Onboard audio: 7.1 HD

Documents & Downloads

Datasheet

Datasheet 3788458 MSI MSI B550M-B Motherboard PC base AMD AM4 Form factor (details) Micro-ATX Motherboard chipset AMD® B550

User & Safety Instructions

User & Safety Instructions 3788458 MSI MSI B550M-B Motherboard PC base AMD AM4 Form factor (details) Micro-ATX Motherboard chipset AMD® B550

Description

The MSI PRO B550M-B motherboard is designed for performance and versatility and supports a range of Ryzen processors to meet different computing requirements. With functions like high-definition audio and multiple USB ports, it ensures seamless connectivity and outstanding sound quality. The rugged design of the motherboard includes a BIOS with full UEFI support, making installations and system adjustments easy for users who want to optimize their setup.

Its micro-ATX form factor is suitable for Ideal for compact system constructions and at the same time offers essential functions like a Dual-channel memory architecture as well as advanced cooling solutions like the MSI Frozr AI cooling. The MSI Mystic Light and EZ Debug LEDs further enhance the user experience and offer a stylish and intuitive interface for individual adjustment and troubleshooting. This motherboard is an excellent basis for reliable performance.

This text is machine translated.

Features

Processor compatibility
The motherboard supports a wide range of Ryzen processors, including the 3000, 4000 G and 5000 series, providing flexibility for different performance requirements.
Audio performance
Equipped with a Realtek ALC897 audio codec, this motherboard delivers high-definition audio through a 8 channel output for rich sound experience.
Connection options
With a total of 6 USB ports, including 4 USB 3.2 Gen 1, users have fast and versatile data transfer options for all their peripherals.
Cooling solutions
The Frozr AI cooling technology from MSI and the chip-set heat sink provide for an optimum heat dissipation and ensure the system stability even under high load.
Design characteristics
This motherboard features MSI EZ-DIY features and an EZ-Debug LED for easy installation and efficient troubleshooting of any problems.

Description

Features

Processor compatibility
The motherboard supports a wide range of Ryzen processors, including the 3000, 4000 G and 5000 series, providing flexibility for different performance requirements.
Audio performance
Equipped with a Realtek ALC897 audio codec, this motherboard delivers high-definition audio through a 8 channel output for rich sound experience.
Connection options
With a total of 6 USB ports, including 4 USB 3.2 Gen 1, users have fast and versatile data transfer options for all their peripherals.
Cooling solutions
The Frozr AI cooling technology from MSI and the chip-set heat sink provide for an optimum heat dissipation and ensure the system stability even under high load.
Design characteristics
This motherboard features MSI EZ-DIY features and an EZ-Debug LED for easy installation and efficient troubleshooting of any problems.