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Motherboards

B840M EAGLE WIFI6

Model B840M EAGLE WIFI6

AMD B840 Micro ATX motherboard for Socket AM5 processors, with 2 DDR5 slots (up to 128 GB) and Wi-Fi 6.

Socket
AM5
Chipset
AMD B840
Form factor
Micro ATX
Memory
2 x DDR5, up to 128 GB
Wireless
Wi-Fi 6
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Overview Specifications Media Platform and pairing Support
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Overview

Highlights

  • AMD Socket AM5: Supports AMD Ryzen 9000 / 8000 / 7000 Series Processors
  • Digital 5+2+2 phases VRM solution
  • Dual Channel DDR5: 2 x DIMMs with AMD EXPO Memory Module Support
  • D5 Bionic Corsa for Infinite Memory Performance
  • EZ-Latch: PCIe and M.2 slots with Quick Release & Screwless Design
  • EZ-Latch: M.2 heatsinks with screwless design

Platform

Socket
AM5
Chipset
AMD B840
Form factor
Micro ATX 24.4 x 24.4 cm
Memory
DDR5
  • 2 DIMM slots
  • Up to 128 GB
  • Up to 7600 MT/s (OC)
Dual channel
Processor support
  • AMD Ryzen 9000 series processors
  • AMD Ryzen 8000 series processors
  • AMD Ryzen 7000 series processors
Expansion slots
  • 1 x PCIe x16 slot, integrated in the CPU:, AMD Ryzen 9000/7000 Series Processors support PCIe 4.0 x16 mode, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4 mode
Storage
2 x M.2
  • 4 x SATA 6Gb/s
Fastest M.2 slot: PCIe 4.0 x4
LAN
  • Realtek 2.5GbE LAN
Wireless
Wi-Fi 6, Bluetooth 5.4
Display outputs
1 x HDMI, 1 x DisplayPort For processors with integrated graphics
Power inputs
  • 24-pin ATX
  • 1 x 8-pin ATX 12V

At a glance

Platform
AMD
Socket
AM5
Chipset
B840
Form factor
Micro ATX
Memory
DDR5
Wireless
Wi-Fi 6
Series
EAGLE
Full specifications

Specifications

Platform

CPU
AMD Socket AM5, support for:AMD Ryzen 9000 Series Processors/AMD Ryzen 8000 Series Processors/AMD Ryzen 7000 Series Processors
Chipset
AMD B840
Memory
Support for DDR5 7600(O.C.) / 7200(O.C.) / 7000(O.C.) / 6800(O.C.) / 6600(O.C.) / 6400(O.C) / 6200(O.C) / 6000(O.C) / 5800(O.C) / 5600(O.C) / 5200 / 4800 MT/s memory modules.2 x DDR5 DIMM sockets supporting up to 128 GB (64 GB single DIMM capacity) of system memoryDual channel memory architectureSupport for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modulesSupport forAMD EXtended Profiles for Overclocking (AMD EXPO) and Extreme Memory Profile (XMP) memory modules (The CPU andmemory configurationmay affect the supportedmemory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Graphics and audio

Onboard graphics
Integrated Graphics Processor with AMD Radeon Graphics support:, 1 x DisplayPort, supporting a maximum resolution of 3840x2160@144 Hz* Support for DisplayPort 1.4 version and HDR., 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz* Support for HDMI 2.1 version, HDCP 2.3, and HDR.** Support for native HDMI 2.1 TMDS compatible ports.(Graphics specifications may vary depending on CPU support.)
Audio
Realtek Audio CODECHigh Definition Audio2/4/5.1/7.1-channel* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.

Networking

LAN
Realtek 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
Wireless communication module
Realtek Wi-Fi 6 RTL8851BE, WIFI a, b, g, n, ac, ax, supporting 2.4/5 GHz carrier frequency bands, BLUETOOTH 5.4, Support for 11ax 80MHz wireless standard(Actual data rate may vary depending on environment and equipment.)

Expansion and storage

Expansion slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:, AMD Ryzen 9000/7000 Series Processors support PCIe 4.0 x16 mode, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4 mode* The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.Chipset:, 1 x PCI Express x16 slot, supporting PCIe 3.0 and running at x4 (PCIEX4)
Storage interface
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2580/2280 SSDs:, AMD Ryzen 9000/7000 Series Processors support PCIe 4.0 x4/x2 SSDs, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs1 x M.2 connector (M2C_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 PCIe 3.0 x2 SSDs4 x SATA 6Gb/s connectorsRAID 0, RAID 1, RAID 5, and RAID 10 support for NVMe SSD storage devices* RAID 5 is only available on AMD Ryzen 9000 Series Processors.RAID 0, RAID 1, and RAID 10 support for SATA storage devices

Ports and connectors

USB
CPU:, 2 x USB 3.2 Gen 1 ports on the back panelCPU+USB 2.0 Hub:, 4 x USB 2.0/1.1 ports on the back panelChipset:, 1 x USB Type-C port with USB 3.2 Gen 1 support, available through the internal USB header 2 x USB 3.2 Gen 1 ports available through the internal USB headers 4 x USB 2.0/1.1 ports available through the internal USB headers
Internal I/O connectors
1x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector1 x CPU fan header1 x CPU fan/water cooling pump header1 x system fan header1 x system fan/water cooling pump header2 x addressable RGB Gen2 LED strip headers1 x RGB LED strip header2 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x USB Type-C header, with USB 3.2 Gen 1 support1 x USB 3.2 Gen 1 header2 x USB 2.0/1.1 headers1 x Trusted Platform Module header (For the GC-TPM2.0 SPI V2 module only)1 x reset jumper1 x Clear CMOS jumper
Back panel connectors
1 x PS/2 keyboard/mouse port4 x USB 2.0/1.1 ports1 x DisplayPort (Note)1 x HDMI port (Note)1 x Q-Flash Plus button2 x USB 3.2 Gen 1 ports1 x RJ-45 port2 x SMA antenna connectors (2T2R)3 x audio jacks(Note) Actual support may vary by CPU.
I/O controller
iTE I/O Controller Chip

Firmware and software

H/W monitoring
Voltage detectionTemperature detectionFan speed detectionWater cooling flow rate detectionFan fail warningFan speed control* Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.
BIOS
1 x 256 Mbit flashUse of licensed AMI UEFI BIOSPnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique features
Support for GIGABYTE Control Center (GCC)Support for Q-FlashSupport for Q-Flash PlusSupport for Smart Backup
Bundled software
Norton Internet Security (OEM version)
Operating system
Support for Windows 11 64-bitSupport for Windows 10 64-bit

Board

Form factor
Micro ATX Form Factor; 24.4cm x 24.4cm

Specifications are taken from the manufacturer's published information and may change. Confirm critical values with our sales desk before ordering.

GIGABYTE product page

Media

Photos 4

Downloads

Official information

GIGABYTE product page for B840M EAGLE WIFI6 gigabyte.com

Platform and pairing

Processor and memory

Supplied by brand rather than listed by model. Name the part you need in your enquiry.

Graphics cards

A spread of current cards, from top tier to entry level. Each card page lists its length and recommended power supply.

All 68 graphics cards

Power supplies

Ratings from 400 W to 3000 W. This board's power inputs: 24-pin ATX and 1 x 8-pin ATX 12V. Size the supply to the recommended PSU of the graphics card you fit.

All 229 power supplies

CPU coolers for AM5

Coolers whose specifications list socket AM5.

All 8 CPU coolers
  • GIGABYTE GP-GIGABYTE GME 240

    GIGABYTE

    GAMING 240

    GP-GIGABYTE GME 240

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE GME 240I

    GIGABYTE

    GAMING 240 ICE

    GP-GIGABYTE GME 240I

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE EAGLE 360

    GIGABYTE

    EAGLE 360

    GP-GIGABYTE EAGLE 360

    • 360 mm
    • 3 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details

Cabinets for Micro ATX boards

Cabinets whose specifications list Micro ATX motherboard support.

All 10 cabinets

Parts to plan with this motherboard

Check sockets, memory type, power connectors and dimensions against the specifications before ordering, or ask our sales desk to confirm a build.

Support

Warranty and repairs

Warranty is as per GIGABYTE’s terms for this model. For products bought from us, call our service team with the invoice number, the model and the product’s serial number.

From GIGABYTE

Practical notes

  1. Update the BIOS only from the official support page, following the brand’s instructions.
  2. Check the CPU support list for the BIOS version before buying a processor.
  3. Install chipset, LAN and audio drivers from the official support page.

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Pairs with

GIGABYTE B840M EAGLE WIFI6 1 / 4