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Gigabyte B840M H Motherboard Micro ATX with AMD AM5 Socket
Motherboards

Gigabyte B840M H Motherboard Micro ATX with AMD AM5 Socket

Key features:

  • 1x PCIe 4.0 x16, 1x PCIe 3.0 x1
  • 1 x PCIe 4.0 M.2 slot
  • 2 x DIMM, dual channel DDR5
  • 24-pin ATX power connector
  • AM5 socket for AMD Ryzen™
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
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Product report

Description

Description

X3D Turbo Function

Unleash next-generation gaming performance with one-click activation.

The unique optimization parameters of the X3D Turbo function allow even Ryzen™ 9000 X3D processors, which enhance gaming performance, and Ryzen™ 9000 processors that are not X3D, to achieve similar levels of gaming performance as their respective Ryzen™ X3D counterparts. Enjoy smoother gameplay, higher frame rates, and reduced latency with GIGABYTE's BIOS innovation - the X3D Turbo function.

AORUS AI SNATCH

Overclocking with Artificial Intelligence for top performance

Automatic CPU and DDR5 Memory Boost: With a single click, unleash the full potential of your CPU and DDR5 memory, instantly enhancing the efficiency of your gaming and work.

  • Real-time analysis
  • OC UP accuracy
  • EZ to Pro

AI Design for MB Signal Enhancement

AI-driven PCB design

AI-based PCB technology uses artificial intelligence algorithms to optimize channels, routing, and stacks. It ensures maximum performance and signal integrity at both single and interlayer levels throughout the design process.

  • AI-ViaFusion Technology: Optimized vias and pads for signal integrity
  • AI-Trace Technology: Intelligent routing for maximum performance
  • AI-Layer Technology: Customized stacks for enhanced functionality

HyperTune BIOS

Advanced BIOS optimization technology powered by artificial intelligence

The HyperTune BIOS uses artificial intelligence to optimize signals. The 800 series applies this for maximum performance, allowing significant increases in memory clock speed and improved overall performance.

Performance optimization with enhanced artificial intelligence

  • Adaptive signal power adjustment
  • AI tuning accuracy exceeds 95%
  • Continuous learning pushes performance limits

Enjoy GIGABYTE's HyperTune with AI – Unleashing next-generation BIOS performance.

Durable Performance

GIGABYTE Ultra Durable™ motherboards, built with optimal components from start to finish, provide top performance and a timeless platform.

Digital VRM Design

  • Digital PWM 5+2+2 phases
  • Supports the latest CPUs and offers improved system performance and ultimate hardware expandability.

* Photo for reference only


Smart Fan 6

Superior cooling performance and silent operation for your gaming platform.

High Current Support

  • Supports PWM and DC fans, as well as water cooling pumps
  • Capacity up to 24W (12V x 2A) per fan header
  • Built-in overcurrent protection

Precision Control

  • Multiple temperature and fan speed points
  • Customizable fan curves for optimal performance

Dual Curve Operation

  • Choose between slope and staircase mode
  • Adjust cooling to your specific needs and preferences

Fan Stop Technology

  • Fans can be completely turned off at low temperatures
  • Ensures silent operation during light loads

Exclusive BIOS Design

The advanced BIOS functionality provides seamless optimization of top DDR5 memory performance.

  • AMD EXPO™ Settings: Optimize memory with AMD's user-friendly profiles.
  • Boost performance: Performance enhancement: Make the most of your system's memory.

Boost DDR5 performance with customized settings

AMD EXPO™ User Profile

Leverage the power of AMD profiles to enhance your memory for outstanding system performance.

Custom SPD Profiles

Create and manage two unique SPD profiles, ready to transfer between machines.

Quick Performance Simulation

Automatically adjusts clock and timing parameters, quickly simulating optimal memory performance.

Profile Management

Save and load your preferred memory settings and share them easily.

Boost DDR5 Speeds Without Overclocking

Push the limits of DDR5 memory without overclocking capability using enhanced frequencies.

Instant Reset

With one click, you can erase and restore memory settings for quick adjustments.

Future Connectivity

Ultimate connectivity with amazing data transfer speeds through next-generation networking and storage.

GbE LAN

Gigabit Ethernet (GbE) LAN offers significantly higher data transfer speeds of up to 1 Gbps, ten times faster than traditional 100 Mbps Fast Ethernet, allowing for smoother streaming, faster file transfers, and more responsive network applications.

PCIe 4.0 Hardware Design

Featuring a PCIe 4.0 x16 slot and PCIe 4.0 M.2 slot support, GIGABYTE motherboards are ready to work with PCIe 4.0 devices to deliver superior performance.

Hi-Fi Audio

  • High-quality audio capacitors
  • Audio noise protection

DRAM Installation Optimization Indicators

The DRAM LED indicator will light up when a module is installed in a non-recommended slot.

The central LED error indicators and control buttons provide a convenient and organized troubleshooting process when building a new computer.


Automatic Q-FLASH Scan

The new Auto Scan feature available when using a USB flash drive during Q-Flash makes the BIOS file search automatic instead of manual.

Q-FLASH PLUS

Easily upgrade your BIOS without needing to install a CPU, RAM, or GPU.

STEP 1

Connect the 24-pin and 8-pin power cables directly to the motherboard.

STEP 2

Download the motherboard BIOS file, rename it to 'gigabyte.bin', and save it to a USB drive formatted to FAT32. Insert the drive into the Q-FLASH PLUS USB port.

STEP 3

Press the Q-FLASH PLUS button to activate the automatic BIOS update.

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
4400, 4800, 5200, 5600, 5800, 6000, 6200, 6400OC, 6600OC, 6666OC, 6800OC, 7000OC, 7200OC

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
1 PCIe 4.0 Port

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 3.2 Ports, 4 USB 2.0 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
DisplayPort, HDMI

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
Bios Flashback

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.

Sound

Sound Card Channels
7.1
Additional Audio Connections
-

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

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
4400, 4800, 5200, 5600, 5800, 6000, 6200, 6400OC, 6600OC, 6666OC, 6800OC, 7000OC, 7200OC

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
1 PCIe 4.0 Port

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 3.2 Ports, 4 USB 2.0 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
DisplayPort, HDMI

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
Bios Flashback

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.

Sound

Sound Card Channels
7.1
Additional Audio Connections
-

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

X3D Turbo Function

Unleash next-generation gaming performance with one-click activation.

The unique optimization parameters of the X3D Turbo function allow even Ryzen™ 9000 X3D processors, which enhance gaming performance, and Ryzen™ 9000 processors that are not X3D, to achieve similar levels of gaming performance as their respective Ryzen™ X3D counterparts. Enjoy smoother gameplay, higher frame rates, and reduced latency with GIGABYTE's BIOS innovation - the X3D Turbo function.

AORUS AI SNATCH

Overclocking with Artificial Intelligence for top performance

Automatic CPU and DDR5 Memory Boost: With a single click, unleash the full potential of your CPU and DDR5 memory, instantly enhancing the efficiency of your gaming and work.

  • Real-time analysis
  • OC UP accuracy
  • EZ to Pro

AI Design for MB Signal Enhancement

AI-driven PCB design

AI-based PCB technology uses artificial intelligence algorithms to optimize channels, routing, and stacks. It ensures maximum performance and signal integrity at both single and interlayer levels throughout the design process.

  • AI-ViaFusion Technology: Optimized vias and pads for signal integrity
  • AI-Trace Technology: Intelligent routing for maximum performance
  • AI-Layer Technology: Customized stacks for enhanced functionality

HyperTune BIOS

Advanced BIOS optimization technology powered by artificial intelligence

The HyperTune BIOS uses artificial intelligence to optimize signals. The 800 series applies this for maximum performance, allowing significant increases in memory clock speed and improved overall performance.

Performance optimization with enhanced artificial intelligence

  • Adaptive signal power adjustment
  • AI tuning accuracy exceeds 95%
  • Continuous learning pushes performance limits

Enjoy GIGABYTE's HyperTune with AI – Unleashing next-generation BIOS performance.

Durable Performance

GIGABYTE Ultra Durable™ motherboards, built with optimal components from start to finish, provide top performance and a timeless platform.

Digital VRM Design

  • Digital PWM 5+2+2 phases
  • Supports the latest CPUs and offers improved system performance and ultimate hardware expandability.

* Photo for reference only


Smart Fan 6

Superior cooling performance and silent operation for your gaming platform.

High Current Support

  • Supports PWM and DC fans, as well as water cooling pumps
  • Capacity up to 24W (12V x 2A) per fan header
  • Built-in overcurrent protection

Precision Control

  • Multiple temperature and fan speed points
  • Customizable fan curves for optimal performance

Dual Curve Operation

  • Choose between slope and staircase mode
  • Adjust cooling to your specific needs and preferences

Fan Stop Technology

  • Fans can be completely turned off at low temperatures
  • Ensures silent operation during light loads

Exclusive BIOS Design

The advanced BIOS functionality provides seamless optimization of top DDR5 memory performance.

  • AMD EXPO™ Settings: Optimize memory with AMD's user-friendly profiles.
  • Boost performance: Performance enhancement: Make the most of your system's memory.

Boost DDR5 performance with customized settings

AMD EXPO™ User Profile

Leverage the power of AMD profiles to enhance your memory for outstanding system performance.

Custom SPD Profiles

Create and manage two unique SPD profiles, ready to transfer between machines.

Quick Performance Simulation

Automatically adjusts clock and timing parameters, quickly simulating optimal memory performance.

Profile Management

Save and load your preferred memory settings and share them easily.

Boost DDR5 Speeds Without Overclocking

Push the limits of DDR5 memory without overclocking capability using enhanced frequencies.

Instant Reset

With one click, you can erase and restore memory settings for quick adjustments.

Future Connectivity

Ultimate connectivity with amazing data transfer speeds through next-generation networking and storage.

GbE LAN

Gigabit Ethernet (GbE) LAN offers significantly higher data transfer speeds of up to 1 Gbps, ten times faster than traditional 100 Mbps Fast Ethernet, allowing for smoother streaming, faster file transfers, and more responsive network applications.

PCIe 4.0 Hardware Design

Featuring a PCIe 4.0 x16 slot and PCIe 4.0 M.2 slot support, GIGABYTE motherboards are ready to work with PCIe 4.0 devices to deliver superior performance.

Hi-Fi Audio

  • High-quality audio capacitors
  • Audio noise protection

DRAM Installation Optimization Indicators

The DRAM LED indicator will light up when a module is installed in a non-recommended slot.

The central LED error indicators and control buttons provide a convenient and organized troubleshooting process when building a new computer.


Automatic Q-FLASH Scan

The new Auto Scan feature available when using a USB flash drive during Q-Flash makes the BIOS file search automatic instead of manual.

Q-FLASH PLUS

Easily upgrade your BIOS without needing to install a CPU, RAM, or GPU.

STEP 1

Connect the 24-pin and 8-pin power cables directly to the motherboard.

STEP 2

Download the motherboard BIOS file, rename it to 'gigabyte.bin', and save it to a USB drive formatted to FAT32. Insert the drive into the Q-FLASH PLUS USB port.

STEP 3

Press the Q-FLASH PLUS button to activate the automatic BIOS update.

Manufacturer

Manufacturer Details

Warnings & Safety Information
96,05 €
14,00 €   shipping cost