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MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard
MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard
MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard
MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard
MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard
MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard
MSI

MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard

€108.90
Tax included
Shipping on: 02-04-2026
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P/N: PRO B840M-B | EAN: 4711377360166 | 3 Years Warranty*

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About the Micro-ATX MSI PRO B840M-B AM5 DDR5 Motherboard

Reliable and Up-to-Date Performance

The MSI PRO B840M-B is a Micro-ATX motherboard equipped with the AM5 socket, compatible with AMD Ryzen 7000/8000/9000 Series processors. It supports high-speed DDR5 memory up to 8000 MHz and up to 256 GB of RAM, ensuring smooth multitasking and solid performance for work or gaming.

Fast and Expandable Storage

With support for M.2 Gen4 and SATA III drives, you can install up to 6 drives, including SSDs and HDDs, allowing for RAID 0, 1, or 10 configurations for enhanced security and performance. Ideal for building robust and fast systems.

Advanced Connectivity

The PRO B840M-B features USB 2.0, USB 3.2 Gen1 Type A, and USB 3.2 Gen2 Type C ports, HDMI 2.1, and 2.5 Gigabit Ethernet, as well as Wi-Fi 6E and Bluetooth 5.3, ensuring fast and stable connections for all your devices.

Audio and Fan Control

Enjoy crystal-clear sound with support for 7.1 channel audio, while fan and water pump connectors allow for efficient cooling setups to keep the system stable at all times.

Micro-ATX Design and MSI Durability

With a Micro-ATX form factor and robust finish, this motherboard combines performance and reliability. It is compatible with Windows 11 x64 and features an AMI UEFI BIOS with 256 Mbit of memory, offering easy system management and support for future updates.

Product Details

MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard

Brand
EAN13
4711377360166
Part number
PRO B840M-B
Equipment type
Motherboard
Motherboard Format
Micro ATX
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
Maximum resolution
7680 x 4320 pixels
Ethernet interface type
2.5 Gigabit Ethernet
Supported processor sockets
Socket AM5
RAID support
Number of storage drives supported
6
Supported storage drive types
HDD & SSD
On-board graphics card

Processor

Processor manufacturer
AMD
Processor socket
Socket AM5

RAM

Maximum internal memory
128 GB
Internal memory type
DDR5-SDRAM

Network

Wi-Fi
Ethernet LAN
Antennas quantity
2

Audio

Audio chip
Realtek ALC897
Audio output channels
7.1 channels

Connectivity

USB Type-A output ports
10
HDMI ports quantity
1
DisplayPorts quantity
1
Ethernet LAN (RJ-45) ports
1

Weight & Dimensions

Width
226 mm
Depth
243.8 mm
About the Micro-ATX MSI PRO B840M-B AM5 DDR5 Motherboard

Reliable and Up-to-Date Performance

The MSI PRO B840M-B is a Micro-ATX motherboard equipped with the AM5 socket, compatible with AMD Ryzen 7000/8000/9000 Series processors. It supports high-speed DDR5 memory up to 8000 MHz and up to 256 GB of RAM, ensuring smooth multitasking and solid performance for work or gaming.

Fast and Expandable Storage

With support for M.2 Gen4 and SATA III drives, you can install up to 6 drives, including SSDs and HDDs, allowing for RAID 0, 1, or 10 configurations for enhanced security and performance. Ideal for building robust and fast systems.

Advanced Connectivity

The PRO B840M-B features USB 2.0, USB 3.2 Gen1 Type A, and USB 3.2 Gen2 Type C ports, HDMI 2.1, and 2.5 Gigabit Ethernet, as well as Wi-Fi 6E and Bluetooth 5.3, ensuring fast and stable connections for all your devices.

Audio and Fan Control

Enjoy crystal-clear sound with support for 7.1 channel audio, while fan and water pump connectors allow for efficient cooling setups to keep the system stable at all times.

Micro-ATX Design and MSI Durability

With a Micro-ATX form factor and robust finish, this motherboard combines performance and reliability. It is compatible with Windows 11 x64 and features an AMI UEFI BIOS with 256 Mbit of memory, offering easy system management and support for future updates.

Product Details

MSI PRO B840M-B AM5 DDR5 Micro-ATX Motherboard

Brand
EAN13
4711377360166
Part number
PRO B840M-B
Equipment type
Motherboard
Motherboard Format
Micro ATX
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
Maximum resolution
7680 x 4320 pixels
Ethernet interface type
2.5 Gigabit Ethernet
Supported processor sockets
Socket AM5
RAID support
Number of storage drives supported
6
Supported storage drive types
HDD & SSD
On-board graphics card

Processor

Processor manufacturer
AMD
Processor socket
Socket AM5

RAM

Maximum internal memory
128 GB
Internal memory type
DDR5-SDRAM

Network

Wi-Fi
Ethernet LAN
Antennas quantity
2

Audio

Audio chip
Realtek ALC897
Audio output channels
7.1 channels

Connectivity

USB Type-A output ports
10
HDMI ports quantity
1
DisplayPorts quantity
1
Ethernet LAN (RJ-45) ports
1

Weight & Dimensions

Width
226 mm
Depth
243.8 mm