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MSI PRO B550M-B Motherboard Micro ATX with AMD AM4 Socket 7D14-023R
Motherboards

MSI PRO B550M-B Motherboard Micro ATX with AMD AM4 Socket 7D14-023R

Key features:

  • Socket AMD AM4 Ryzen 3000-5000
  • Micro ATX with B550 Chipset
  • 2 DDR4 Slots up to 4600+ MHz
  • 1 PCI-Express 4.0 x16
  • 4 SATA / 2 M.2 / RAID 0,1,10
  • HDMI/DisplayPort/1Gbps LAN
See full description

  • Socket

    The processor socket type.

    The processor we choose should have the same socket in order to fit into the motherboard.

    In addition to the socket, the motherboard chipset must also be supported by the processor.

  • Size

    The size of the motherboard is expressed with a code name (standard).
    2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

    Micro ATX

    Smaller than ATX, with fewer slots but sufficient for everyday use.

  • Usage

    Desktop

    Motherboards designed for use in desktop computers.

  • Chipset

    The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

    The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

    If the motherboard chipset is supported by the processor, then the socket will also be compatible.

     

    AMD B550

    AMD chipset for power-users with plenty of connectivity options, overclocking capabilities, and PCIe® 4.0 connections for graphics and NVMe storage standard.

    It is the recommended AMD chipset for the average user as it covers all basic needs and leaves room for future upgrades with the addition of more hardware.

    It supports Ryzen 5000 series processors.

  • Memory

    Memory Type and RAM Slots

    Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.
  • See all
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Product report

Description

Description

The MSI PRO B550M-B motherboard is designed to deliver reliable and efficient performance in desktop computers. Equipped with an AM4 socket, it is compatible with Ryzen series processors, allowing you to choose from a wide range of options that meet your needs. Its Micro ATX size makes it ideal for more compact builds without sacrificing performance.

This motherboard provides sufficient connectivity with four SATA III 6Gb/s ports, ensuring fast access to hard drives and SSDs. It also features M.2 slots for easy SSD installation, with one PCIe 3.0 port and one PCIe 4.0 port, allowing for maximum speed and performance. Additionally, it supports 7.1 audio, offering you a comprehensive sound experience for gaming or multimedia.

  • Socket: AM4
  • Size: Micro ATX
  • Supported processors: AMD Ryzen
  • Memory type: DDR4
  • Maximum number of SATA III 6Gb/s: 4
  • Number of M.2 slots: 2 (1 PCIe 3.0 port, 1 PCIe 4.0 port)
  • Audio channels: 7.1
  • PCI Express x16: 1 port 4.0
  • Supported processor generation: Zen 2, Zen 3

With the AMD B550 chipset, it combines overclocking capabilities with many connectivity options, making it suitable even for power users who want to invest in future upgrades. If you are looking for a reliable motherboard that covers your basic needs but also offers room for improvements, this option is ideal for you.

Professional PRO Series with AMD Ryzen™ Support

The MSI PRO B550M-B motherboard belongs to the renowned PRO professional series of the company, which is designed to offer smart solutions, stable performance, and top-quality construction. Equipped with the AMD Socket AM4 and the powerful B550 Chipset, it provides full compatibility with a wide range of processors. It supports Ryzen™ Desktop processors of the 5000, 5000 G-Series, 4000 G-Series, 3000, and 3000 G-Series, making it the most reliable foundation for any modern PC build.

High-Speed DDR4 Dual Channel Memory up to 64GB

In terms of memory, the motherboard features 2 DDR4 DIMM slots that support Dual Channel architecture for doubling the data bandwidth. It can accommodate a total capacity of up to 64 GB, offering absolute comfort for demanding professional applications, multitasking, and modern gaming. Additionally, MSI's optimized circuitry allows your memory to operate with absolute stability at top frequencies reaching or even exceeding 4600+ MHz (O.C.), unlocking the true performance of your processor.

Next-Generation Lightning PCI-Express 4.0 x16 Slot

The MSI PRO B550M-B is fully prepared to accommodate the most modern and powerful graphics cards on the market. It features a top-tier PCI-Express 4.0 x16 slot, which offers double the bandwidth compared to the previous PCIe 3.0 generation, reaching up to 64GB/s. This ensures that your graphics card communicates with the processor without any bottleneck, delivering maximum frame rates and smooth visuals in all your high-end gaming sessions.

Dual M.2 SSD Slot for Lightning-Fast Storage

The response speed of your system soars thanks to the advanced storage controller. The motherboard features 2 M.2 SSD slots, allowing you to install ultra-fast NVMe drives so your operating system, professional programs, and games load in just a few seconds. At the same time, it is equipped with 4 SATA3 ports and supports advanced RAID 0/1/10 configurations for M.2 devices and RAID 0/1/5/10 for SATA drives, offering absolute security or extra speed for your files.

Studio-Grade Sound with Audio Boost Technology

Your acoustic experience is radically upgraded thanks to the exclusive MSI Audio Boost technology. Using top-quality audio capacitors and a fully isolated audio circuit protected from the electromagnetic interference of the rest of the board, the motherboard delivers crystal-clear, high-fidelity sound. Whether you are listening to your favorite music, editing videos, or enjoying a game, the integrated circuit rewards your ears with studio-grade sound quality and exceptional dialogue fidelity.

Compact Micro ATX Form Factor and Rich Ports

Designed in Micro ATX Form Factor (24.3 x 22 cm), the motherboard fits easily into compact midi and mini PC cases. On the Back Panel, it features digital video outputs HDMI and DisplayPort, 4 USB 3.2 Gen1 ports, Realtek® 1Gbps LAN, and a PS/2 port. Internally, it offers complete aesthetic freedom with 1 USB Type-C port, 1 classic RGB header (JRGB) and 3 Addressable V2 RGB connectors (JARGB_V2) to connect and control your case fan lighting.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Size
Micro ATX

Size

The size of the motherboard is expressed with a code name (standard).
2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

Micro ATX
Smaller than ATX, with fewer slots but sufficient for everyday use.
Type
Desktop

Type

Desktop

Motherboards designed for use in desktop computers.

Processor

Supported Processors
AMD
Models
Ryzen
Supported CPU Generation
Zen 2, Zen 3
Socket
AM4

Socket

The processor socket type.

The processor we choose should have the same socket in order to fit into the motherboard.

In addition to the socket, the motherboard chipset must also be supported by the processor.

Chipset

Model
AMD B550

Model

The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

If the motherboard chipset is supported by the processor, then the socket will also be compatible.

 

AMD B550

AMD chipset for power-users with plenty of connectivity options, overclocking capabilities, and PCIe® 4.0 connections for graphics and NVMe storage standard.

It is the recommended AMD chipset for the average user as it covers all basic needs and leaves room for future upgrades with the addition of more hardware.

It supports Ryzen 5000 series processors.

Memory

Memory type
DDR4

Memory type

The type of RAM memory that is compatible with the motherboard.

DDR4

The most common type of memory, with timings starting from 2133Hz.
Quantity
2 DIMM Slots
Memory Speeds
2667, 2800, 2933, 3000, 3066OC, 3200, 3466OC, 3600OC, 3733OC, 3866OC, 4000, 4133OC, 4266OC, 4400, 4600OC

Memory Speeds

The supported RAM memory speeds.

The RAM and processor that will be installed in the computer should be able to reach these speeds, while special settings may be required to reach maximum speeds.
Memory Channels
Dual Channel

Memory Channels

Dual Channel

It is possible to install two identical RAM modules that will work in parallel and provide more speed to applications that require a lot of memory (e.g. video editing). 2. For example, if two identical 8GB RAM modules are installed in a dual channel motherboard, they will perform better than installing one 16GB module.

Internal Connectors

PCI Express x16 4.0
1 Slot

PCI Express x16 4.0

The available PCI Express x16 4.0 expansion card slots of the motherboard.
SATA III 6Gb/s
4 Port

SATA III 6Gb/s

Modern hard drive connection standard.

Most SSD hard drives require this standard to perform at their maximum potential.
M.2 Type
1 PCIe 3.0 Port, 1 PCIe 4.0 Port

M.2 Type

The number and type of available slots for installing M.2 SSD units.
M.2 Slots
0

External Connectors

Rear USB-A outputs
4 USB 3.2 Ports
Rear USB-C outputs
-
Ethernet (LAN)
1

Ethernet (LAN)

The number of ethernet ports for wired connection to a network that the motherboard has on its back panel.
Screen Connections
DisplayPort, HDMI

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
RGB Header

Extra

RGB Header
Special connector for connecting LED strips or connecting other parts with RGB that require separate power supply.

Sound

Sound Card Channels
7.1

Top Specs

Memory
2x DDR4

Memory

Memory Type and RAM Slots

Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Product Details

Size
Micro ATX

Size

The size of the motherboard is expressed with a code name (standard).
2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

Micro ATX
Smaller than ATX, with fewer slots but sufficient for everyday use.
Type
Desktop

Type

Desktop

Motherboards designed for use in desktop computers.

Processor

Supported Processors
AMD
Models
Ryzen
Supported CPU Generation
Zen 2, Zen 3
Socket
AM4

Socket

The processor socket type.

The processor we choose should have the same socket in order to fit into the motherboard.

In addition to the socket, the motherboard chipset must also be supported by the processor.

Chipset

Model
AMD B550

Model

The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

If the motherboard chipset is supported by the processor, then the socket will also be compatible.

 

AMD B550

AMD chipset for power-users with plenty of connectivity options, overclocking capabilities, and PCIe® 4.0 connections for graphics and NVMe storage standard.

It is the recommended AMD chipset for the average user as it covers all basic needs and leaves room for future upgrades with the addition of more hardware.

It supports Ryzen 5000 series processors.

Memory

Memory type
DDR4

Memory type

The type of RAM memory that is compatible with the motherboard.

DDR4

The most common type of memory, with timings starting from 2133Hz.
Quantity
2 DIMM Slots
Memory Speeds
2667, 2800, 2933, 3000, 3066OC, 3200, 3466OC, 3600OC, 3733OC, 3866OC, 4000, 4133OC, 4266OC, 4400, 4600OC

Memory Speeds

The supported RAM memory speeds.

The RAM and processor that will be installed in the computer should be able to reach these speeds, while special settings may be required to reach maximum speeds.
Memory Channels
Dual Channel

Memory Channels

Dual Channel

It is possible to install two identical RAM modules that will work in parallel and provide more speed to applications that require a lot of memory (e.g. video editing). 2. For example, if two identical 8GB RAM modules are installed in a dual channel motherboard, they will perform better than installing one 16GB module.

Internal Connectors

PCI Express x16 4.0
1 Slot

PCI Express x16 4.0

The available PCI Express x16 4.0 expansion card slots of the motherboard.
SATA III 6Gb/s
4 Port

SATA III 6Gb/s

Modern hard drive connection standard.

Most SSD hard drives require this standard to perform at their maximum potential.
M.2 Type
1 PCIe 3.0 Port, 1 PCIe 4.0 Port

M.2 Type

The number and type of available slots for installing M.2 SSD units.
M.2 Slots
0

External Connectors

Rear USB-A outputs
4 USB 3.2 Ports
Rear USB-C outputs
-
Ethernet (LAN)
1

Ethernet (LAN)

The number of ethernet ports for wired connection to a network that the motherboard has on its back panel.
Screen Connections
DisplayPort, HDMI

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
RGB Header

Extra

RGB Header
Special connector for connecting LED strips or connecting other parts with RGB that require separate power supply.

Sound

Sound Card Channels
7.1

Top Specs

Memory
2x DDR4

Memory

Memory Type and RAM Slots

Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Description

The MSI PRO B550M-B motherboard is designed to deliver reliable and efficient performance in desktop computers. Equipped with an AM4 socket, it is compatible with Ryzen series processors, allowing you to choose from a wide range of options that meet your needs. Its Micro ATX size makes it ideal for more compact builds without sacrificing performance.

This motherboard provides sufficient connectivity with four SATA III 6Gb/s ports, ensuring fast access to hard drives and SSDs. It also features M.2 slots for easy SSD installation, with one PCIe 3.0 port and one PCIe 4.0 port, allowing for maximum speed and performance. Additionally, it supports 7.1 audio, offering you a comprehensive sound experience for gaming or multimedia.

  • Socket: AM4
  • Size: Micro ATX
  • Supported processors: AMD Ryzen
  • Memory type: DDR4
  • Maximum number of SATA III 6Gb/s: 4
  • Number of M.2 slots: 2 (1 PCIe 3.0 port, 1 PCIe 4.0 port)
  • Audio channels: 7.1
  • PCI Express x16: 1 port 4.0
  • Supported processor generation: Zen 2, Zen 3

With the AMD B550 chipset, it combines overclocking capabilities with many connectivity options, making it suitable even for power users who want to invest in future upgrades. If you are looking for a reliable motherboard that covers your basic needs but also offers room for improvements, this option is ideal for you.

Professional PRO Series with AMD Ryzen™ Support

The MSI PRO B550M-B motherboard belongs to the renowned PRO professional series of the company, which is designed to offer smart solutions, stable performance, and top-quality construction. Equipped with the AMD Socket AM4 and the powerful B550 Chipset, it provides full compatibility with a wide range of processors. It supports Ryzen™ Desktop processors of the 5000, 5000 G-Series, 4000 G-Series, 3000, and 3000 G-Series, making it the most reliable foundation for any modern PC build.

High-Speed DDR4 Dual Channel Memory up to 64GB

In terms of memory, the motherboard features 2 DDR4 DIMM slots that support Dual Channel architecture for doubling the data bandwidth. It can accommodate a total capacity of up to 64 GB, offering absolute comfort for demanding professional applications, multitasking, and modern gaming. Additionally, MSI's optimized circuitry allows your memory to operate with absolute stability at top frequencies reaching or even exceeding 4600+ MHz (O.C.), unlocking the true performance of your processor.

Next-Generation Lightning PCI-Express 4.0 x16 Slot

The MSI PRO B550M-B is fully prepared to accommodate the most modern and powerful graphics cards on the market. It features a top-tier PCI-Express 4.0 x16 slot, which offers double the bandwidth compared to the previous PCIe 3.0 generation, reaching up to 64GB/s. This ensures that your graphics card communicates with the processor without any bottleneck, delivering maximum frame rates and smooth visuals in all your high-end gaming sessions.

Dual M.2 SSD Slot for Lightning-Fast Storage

The response speed of your system soars thanks to the advanced storage controller. The motherboard features 2 M.2 SSD slots, allowing you to install ultra-fast NVMe drives so your operating system, professional programs, and games load in just a few seconds. At the same time, it is equipped with 4 SATA3 ports and supports advanced RAID 0/1/10 configurations for M.2 devices and RAID 0/1/5/10 for SATA drives, offering absolute security or extra speed for your files.

Studio-Grade Sound with Audio Boost Technology

Your acoustic experience is radically upgraded thanks to the exclusive MSI Audio Boost technology. Using top-quality audio capacitors and a fully isolated audio circuit protected from the electromagnetic interference of the rest of the board, the motherboard delivers crystal-clear, high-fidelity sound. Whether you are listening to your favorite music, editing videos, or enjoying a game, the integrated circuit rewards your ears with studio-grade sound quality and exceptional dialogue fidelity.

Compact Micro ATX Form Factor and Rich Ports

Designed in Micro ATX Form Factor (24.3 x 22 cm), the motherboard fits easily into compact midi and mini PC cases. On the Back Panel, it features digital video outputs HDMI and DisplayPort, 4 USB 3.2 Gen1 ports, Realtek® 1Gbps LAN, and a PS/2 port. Internally, it offers complete aesthetic freedom with 1 USB Type-C port, 1 classic RGB header (JRGB) and 3 Addressable V2 RGB connectors (JARGB_V2) to connect and control your case fan lighting.

Manufacturer

Manufacturer Details

Warnings & Safety Information
86,66 €
14,00 €   shipping cost