Gigabyte B840M DS3H

AM5, AMD B840, mATX
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BrandMore from Gigabyte
Delivered between Fri, 25.7. and Tue, 29.7.
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Product details

Boost the performance of your computer with Gigabyte's proven motherboard series: AORUS, AERO and Gigabyte. With innovative design and state-of-the-art functions, these boards deliver outstanding performance and reliability. Whether you are a gamer, content creator or professional user, these series are tailored to your needs and guarantee excellent quality and the latest technologies.

Key specifications

Processor family
Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen
Memory type
DDR5 RAM
Number of memory modules (RAM)
4 x
Internal connection options
M.2 (2x), S-ATA III (4x)
Mainboard features
Clear CMOS Button, Front panel audio connector, RGB header
Item number
54659601

General information

Manufacturer
Gigabyte
Category
Motherboards
Manufacturer no.
B840M DS3H
Release date
13.2.2025

Motherboard properties

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

Processor

Processor family
Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen

Memory

Memory form factor
DIMM
Number of memory modules (RAM)
4 x
Max. memory (RAM)
256 GB
Max. RAM OC
8200 MHz
Supported memory speed
7000 MHz, 7600 MHz, 7800 MHz, 7900 MHz, 7950 MHz, 8000 MHz, 8200 MHz
Memory type
DDR5 RAM
RAM buffer
Unbuffered

Graphics properties

Video connections
DisplayPort (2x), HDMI Type A
Video connection version
Display port 1.4, 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
Audio Connections
Headphones, Jack 3.5mm Line In (1x), Microphone

Data storage

RAID configuration
0, 1, 10

Internal interfaces

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

Further connections

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

Power supply

Power connectors
24-pin ATX, 4-pin Molex, 8-pin PCI-E

Origin

Country of origin
China, Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Norton® Internet Security (OEM version)

Product dimensions

Length
244 mm
Width
244 mm
Height
35 mm
Weight
1047 g

Package dimensions

Length
26.80 cm
Width
26.40 cm
Height
5.70 cm
Weight
1.04 kg

30-day right of return
36 Months Warranty (Bring-in)
4 additional offers

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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.Gigabyte
    2.7 %
  • 3.AsRock
    2.8 %
  • 3.ASUS
    2.8 %
  • 5.Supermicro
    3.3 %

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
  • 3.MSI
    2 days
  • 4.Supermicro
    4 days
  • 5.NZXT
    6 days
  • 6.Gigabyte
    7 days
  • 7.ASUS
    9 days

Return rate

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

Source: Digitec Galaxus
  • 1.MSI
    4.8 %
  • 2.ASUS
    5 %
  • 3.Gigabyte
    5.1 %
  • 4.NZXT
    6.2 %
  • 5.Supermicro
    6.4 %
Source: Digitec Galaxus