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MSI PRO B840M-B Motherboard Micro ATX with AMD AM5 Socket
Motherboards

MSI PRO B840M-B Motherboard Micro ATX with AMD AM5 Socket

Key features:

  • 2 DDR5 Ram slots up to 8000(OC)
  • Supports Ryzen 9000/8000/7000 processors
  • Slots for 4x Sata III and 2x M.2
  • 4 USB 3.2 ports, 2 USB 2.0 ports
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.

     

  • 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
Product report

Description

Description

The MSI PRO B840M-B motherboard is designed to support AMD Ryzen series processors, offering the modern AM5 socket type. Its size is Micro ATX, perfect for compact systems without sacrificing functionality.

This motherboard features:

  • Good audio support: Supports 7.1 channel audio, providing a rich and clear sound experience.
  • Memory type: Compatible with DDR5 RAM, ensuring high data transfer speeds.
  • Connection stability: Equipped with 4 SATA III 6Gb/s connectors for connecting hard drives and SSDs.
  • PCIe slots: Includes 1 PCI Express x16 4.0 slot for installing graphics cards or other expansions.
  • M.2 slots: Has 2 PCIe 4.0 ports for fast NVMe drives, allowing rapid access to data.

The MSI PRO B840M-B motherboard is an ideal choice for building desktop computers that require power and performance, combining the latest technology features. With support for the latest generation Zen 5 processors, it provides a reliable and future-proof foundation for your system.

Ready for AI

MSI motherboards are designed with advanced hardware and technology, well supporting demanding computer use for gaming and artificial intelligence. Additionally, we also introduce artificial intelligence into the MSI Center and BIOS, making everything easier than before.

EZ Mounting

The circuits of MSI motherboards ensure that the isolation zones of the casing are clean and clear. Additionally, protective coating is printed around each screw hole to prevent parts from being scratched or damaged on the motherboard.

7+2+1 Power Design

Unleash and maintain maximum performance with a VRM design built with a total of 7+2+1 digital power phases. With an 8-pin power connector, the PRO B840M-B is ready for the challenge of heavy-duty tasks.

DDR5 Memory Support with High Performance

A huge leap in DDR performance with the latest DDR5 memory. Combined with the dedicated SMT welding process and MSI Memory Boost technology, the PRO B840-P WIFI motherboard is ready to deliver world-class memory performance.

Frozr AI Cooling

Frozr AI Cooling targets CPU and GPU temperatures. The AI system detects the temperatures of the CPU and GPU and automatically adjusts the performance of the system fans to ensure optimal performance.

High Bandwidth and Low Latency Network

MSI's top network solution provides incredible data transfer speed for demanding users.

Lightning Gen 4 PCI-e with steel armor

The MSI lightning Gen 4 PCI-E represents the bandwidth of an x16 interface at 64GB/s, which has doubled compared to the previous generation.

MSI Center

The brand-new MSI Center consolidates a suite of MSI software utilities into a single central application. Take control of the motherboard's advanced features and unleash unlimited possibilities.

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 4, Zen 5
Socket
AM5

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 B840

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.

 

Memory

Memory type
DDR5

Memory type

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

DDR5

The latest memory type, with speed starting from 4000 MT/s.
Quantity
2 DIMM Slots
Memory Speeds
4800, 5600, 8000OC

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
2 PCIe 4.0 Ports

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
2 USB 2.0 Ports, 4 USB 3.2 Ports
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
HDMI, VGA

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
Bios Flashback, Clear CMOS button

Extra

Bios Flashback

Ability to update the BIOS without requiring a CPU and RAM installed on the motherboard. This advanced feature is intended for experienced users and is useful for supporting newer processors on older motherboards. Please refer to the manufacturer's instructions for the process, as it may vary between manufacturers.

For example, if you want to install a Ryzen 5000 series processor on a chipset that only supports it after a BIOS upgrade, BIOS Flashback can be used without having an older processor on the motherboard.

Clear CMOS button

Button for clearing the CMOS memory of the motherboard. Advanced function for experienced users that can also be achieved by simply removing and reinserting the motherboard battery. Useful function if something goes wrong during the overclocking process or BIOS settings for a reset to the original state.

Sound

Sound Card Channels
7.1

Top Specs

Memory
2x DDR5

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

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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 4, Zen 5
Socket
AM5

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 B840

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.

 

Memory

Memory type
DDR5

Memory type

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

DDR5

The latest memory type, with speed starting from 4000 MT/s.
Quantity
2 DIMM Slots
Memory Speeds
4800, 5600, 8000OC

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
2 PCIe 4.0 Ports

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
2 USB 2.0 Ports, 4 USB 3.2 Ports
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
HDMI, VGA

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
Bios Flashback, Clear CMOS button

Extra

Bios Flashback

Ability to update the BIOS without requiring a CPU and RAM installed on the motherboard. This advanced feature is intended for experienced users and is useful for supporting newer processors on older motherboards. Please refer to the manufacturer's instructions for the process, as it may vary between manufacturers.

For example, if you want to install a Ryzen 5000 series processor on a chipset that only supports it after a BIOS upgrade, BIOS Flashback can be used without having an older processor on the motherboard.

Clear CMOS button

Button for clearing the CMOS memory of the motherboard. Advanced function for experienced users that can also be achieved by simply removing and reinserting the motherboard battery. Useful function if something goes wrong during the overclocking process or BIOS settings for a reset to the original state.

Sound

Sound Card Channels
7.1

Top Specs

Memory
2x DDR5

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 B840M-B motherboard is designed to support AMD Ryzen series processors, offering the modern AM5 socket type. Its size is Micro ATX, perfect for compact systems without sacrificing functionality.

This motherboard features:

  • Good audio support: Supports 7.1 channel audio, providing a rich and clear sound experience.
  • Memory type: Compatible with DDR5 RAM, ensuring high data transfer speeds.
  • Connection stability: Equipped with 4 SATA III 6Gb/s connectors for connecting hard drives and SSDs.
  • PCIe slots: Includes 1 PCI Express x16 4.0 slot for installing graphics cards or other expansions.
  • M.2 slots: Has 2 PCIe 4.0 ports for fast NVMe drives, allowing rapid access to data.

The MSI PRO B840M-B motherboard is an ideal choice for building desktop computers that require power and performance, combining the latest technology features. With support for the latest generation Zen 5 processors, it provides a reliable and future-proof foundation for your system.

Ready for AI

MSI motherboards are designed with advanced hardware and technology, well supporting demanding computer use for gaming and artificial intelligence. Additionally, we also introduce artificial intelligence into the MSI Center and BIOS, making everything easier than before.

EZ Mounting

The circuits of MSI motherboards ensure that the isolation zones of the casing are clean and clear. Additionally, protective coating is printed around each screw hole to prevent parts from being scratched or damaged on the motherboard.

7+2+1 Power Design

Unleash and maintain maximum performance with a VRM design built with a total of 7+2+1 digital power phases. With an 8-pin power connector, the PRO B840M-B is ready for the challenge of heavy-duty tasks.

DDR5 Memory Support with High Performance

A huge leap in DDR performance with the latest DDR5 memory. Combined with the dedicated SMT welding process and MSI Memory Boost technology, the PRO B840-P WIFI motherboard is ready to deliver world-class memory performance.

Frozr AI Cooling

Frozr AI Cooling targets CPU and GPU temperatures. The AI system detects the temperatures of the CPU and GPU and automatically adjusts the performance of the system fans to ensure optimal performance.

High Bandwidth and Low Latency Network

MSI's top network solution provides incredible data transfer speed for demanding users.

Lightning Gen 4 PCI-e with steel armor

The MSI lightning Gen 4 PCI-E represents the bandwidth of an x16 interface at 64GB/s, which has doubled compared to the previous generation.

MSI Center

The brand-new MSI Center consolidates a suite of MSI software utilities into a single central application. Take control of the motherboard's advanced features and unleash unlimited possibilities.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Reviews (1)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
105,45 €
14,00 €   shipping cost