−9%

MSI PRO B840M-B AM5 mATX MB

AM5, AMD B840, Micro-ITX
was CHF111.57
Ratings
Delivered between Sat, 12.7. and Wed, 16.7.
More than 10 pieces in stock at supplier
free shipping

Product details

Business elegance
The PRO Series is tailored to professionals from all walks of life. The lineup features impressive performance and high quality, while aiming to provide users with an incredible experience. Users who care about productivity and efficiency can definitely count on the MSI PRO Series to assist with multitasking and increasing efficiency.

MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.

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

Chipset heatsink
The chipset heatsink is designed to reduce dust and noise and is capable of maintaining high efficiency of heat dissipation.

High-bandwidth and low-latency network
MSI’s premium network solution provides incredible data transfer speed for demanding users.

Key specifications

Processor family
AMD 7000 Series
Memory type
DDR5 RAM
Number of memory modules (RAM)
2 x
Internal connection options
15-pin S-ATA (4x), M.2 (2x)
Mainboard features
RGB header
Item number
58523935

General information

Manufacturer
MSI
Category
Motherboards
Manufacturer no.
7E76-002R
Release date
13.5.2025
External links
Manufacturer's site (it)

Motherboard properties

Form factor
Micro-ITX
Socket
AM5
Chipset
AMD B840
Mainboard features
RGB header
Operating system compatibility
Windows
BIOS type
UEFI AMI

Processor

Processor family
AMD 7000 Series

Memory

Memory form factor
DIMM
Number of memory modules (RAM)
2 x
Max. memory (RAM)
128 GB
Memory chip
DDR5 SDRAM
Max. RAM OC
8000 MHz
Supported memory speed
4800 MHz, 5600 MHz, 8000 MHz
Memory type
DDR5 RAM
RAM buffer
Unbuffered

Graphics properties

Video connections
HDMI (1x)
Video connection version
HDMI 2.1

Network

Network connections
RJ45 (1x)
Ethernet controller brand
Realtek
Ethernet controller
Realtek RTL8125
Max. port speed
2.50 Gbit/s

Audio

Chip
Realtek ALC897
Audio channel
7.1 Channel

Data storage

RAID configuration
0, 1, 10

Internal interfaces

Internal connection options
15-pin S-ATA (4x), M.2 (2x)
Expansion slot
PCI Express x16 (2x)
PCI express version (max.)
4
Number of fan connector
5

Further connections

USB ports
USB-A
Exact USB ports
USB-A 2.0 (2x), USB-A 3.2 Gen 1 (4x), USB-A 3.2 Gen 2 (1x)

Origin

Country of origin
China, Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
243.80 mm
Width
226 mm

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Motherboards» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.MSI
    2.6 %
  • 2.AsRock
    2.7 %
  • 2.Gigabyte
    2.7 %
  • 4.ASUS
    2.8 %
  • 5.Supermicro
    3.4 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Biostar
    0 days
  • 2.AsRock
    1 day
  • 3.MSI
    2 days
  • 4.Supermicro
    4 days
  • 5.Gigabyte
    6 days

Return rate

How often is a product of this brand in the «Motherboards» category returned?

Source: Digitec Galaxus
  • 1.MSI
    4.9 %
  • 2.ASUS
    5.1 %
  • 3.Gigabyte
    5.2 %
  • 4.Supermicro
    6.4 %
  • 5.AsRock
    6.8 %
Source: Digitec Galaxus