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Gigabyte B840M H (B840,AM5,mATX,DDR5)

AM5, AMD B840, Micro ATX (mATX)
Price in EUR including VAT
Ratings
BrandMore from Gigabyte
Delivered between Tue, 24-2 and Fri, 27-2
More than 10 pieces in stock at supplier
free shipping

Product details

Enhance your computer's performance with GIGABYTE's proven motherboard series: AORUS, AERO, and GIGABYTE. With thoughtful design and modern features, these boards deliver reliable performance and high stability. Whether you are a gamer, content creator, or professional user, these series are tailored to your needs and impress with high build quality and support for current technologies.

Key specifications

Mainboard features
Front panel audio connector
Number of memory modules (RAM)
2x
Memory type
DDR5 RAM
Internal connection options
M.2 (1x), S-ATA III (4x)

General information

Item number
64712983
Manufacturer
Gigabyte
Category
Motherboards
Manufacturer no.
B840M H
Release date
4-11-2025
External links
Manufacturer's site (de)

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B840
Mainboard features
Front panel audio connector
Operating system compatibility
Windows, Windows 10
BIOS type
UEFI AMI

Memory

Memory form factor
DIMM
Number of memory modules (RAM)
2x
Max. memory (RAM)
128 GB
Memory chip
DDR5 SDRAM
Max. RAM OC
7200 MHz
Supported memory speed
5200 MHz, 5600 MHz, 6000 MHz, 6200 MHz, 6400 MHz, 6600 MHz, 7000 MHz
Memory type
DDR5 RAM
RAM buffer
Unbuffered

Graphics properties

Video connections
DisplayPort (1x)
Video connection version
Display port 1.4, HDMI 2.1

Network

Network connections
RJ45 (1x)
Ethernet controller brand
Realtek
Ethernet controller
Realtek RTL8111H
Max. port speed
1 Gbit/s

Audio

Chip
Realtek ALC897
Audio channel
7.1 Channel
Audio Connections
Headphone output (1x)

Data storage

RAID configuration
0, 1, 10, 5

Internal interfaces

Internal connection options
M.2 (1x), S-ATA III (4x)
Expansion slot
PCI Express x1 (1x), PCI Express x16 (1x)
PCI express version (max.)
4
Number of fan connector
3

Further connections

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

Power supply

Power connectors
24-pin ATX, 8-pin ATX 12V

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
0 kg
Climate contribution
EUR 0,12

Scope of delivery

Scope of delivery
Norton® Internet Security (OEM version)

Product dimensions

Length
225 mm
Width
230 mm
Height
35 mm
Weight
880 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

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Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 1.MSI
    2,4 %
  • 2.Gigabyte
    2,5 %
  • 3.ASUS
    2,6 %
  • 4.AsRock
    2,8 %
  • 5.Supermicro
    3,4 %

Statutory 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: Galaxus
  • 1.Biostar
    2 days
  • 2.AsRock
    4 days
  • 3.MSI
    5 days
  • 4.ASUS
    8 days
  • 5.Gigabyte
    10 days

Return rate

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

Source: Galaxus
  • 1.MSI
    4,6 %
  • 2.Gigabyte
    4,9 %
  • 3.ASUS
    5 %
  • 4.AsRock
    5,9 %
  • 5.Biostar
    8,2 %
Source: Galaxus