Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM

B840 · AM5 · mATX · DDR5

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Chipset B840
Form factor mATX
Memory slots 2
Max memory 128 GB
Socket AM5
Memory type DDR5

Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM is a mATX and B840 chipset motherboard for AM5 processors and DDR5 memory. It came out in 2025.

Released: 2025-10-22
Socket: AM5

Specifications

Key specs

Chipset: B840
Form factor: mATX
Memory slots: 2
Max memory: 128 GB
Socket: AM5
Memory type: DDR5
Released: 2025-10-22
Part number: B840M H
EAN / UPC: 4719331877880

Processor

Processor manufacturer: AMD
Processor socket: Socket AM5
Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets: Socket AM5

Memory

Supported memory types: DDR5-SDRAM
Number of memory slots: 2
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: Non-ECC
Supported memory clock speeds: 7200,7000,6800,6666,6600,6400,6200,6000,5600,5200,4800,4400 MHz
Supported memory clock speed (max): 7200 MHz
Maximum internal memory: 128 GB
Unbuffered memory: Yes
Maximum internal memory per slot: 64 GB

View all specifications +12 more sectionsShow fewer specifications

Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, PCI Express 4.0, SATA III
Number of HDDs supported: 4
Number of storage drives supported: 5
RAID support: Yes
RAID levels: 0, 1, 5, 10

Graphics

Parallel processing technology support: Not supported
Maximum resolution: 4096 x 2160 pixels
HDCP: Yes
HDCP version: 2.3
DirectX version: 12.0

Internal I/O

USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
Number of SATA III connectors: 4
Front panel audio connector: Yes
Front panel connector: Yes
ATX Power connector (24-pin): Yes
CPU fan connector: Yes
Number of CPU fan connectors: 1
Number of chassis fan connectors: 2
EPS power connector (8-pin): Yes
Number of EPS power connectors (8-pin): 1
TPM connector: Yes
12V power connector: Yes
RGB LED pin header: Yes
Number of RGB LED pin headers: 3

Rear panel I/O ports

USB 2.0 ports quantity: 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
Ethernet LAN (RJ-45) ports: 1
PS/2 ports quantity: 1
HDMI ports quantity: 1
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone outputs: 1
Line-in: Yes
Microphone in: Yes

Network

Ethernet LAN: Yes
Ethernet interface type: Gigabit Ethernet
LAN controller: Realtek RTL8111H

Features

Motherboard chipset: AMD B840
Audio chip: Realtek ALC897
Audio output channels: 7.1 channels
Product colour: Dark brown
PC health monitoring: Fan, Temperature, Voltage, Water cooling
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
Cooling type: Passive
Power source type: ATX
Windows operating systems supported: Windows 10 x64, Windows 11 x64

Expansion slots

PCI Express x1 (Gen 3.x) slots: 1
PCI Express x16 (Gen 4.x) slots: 1
Number of M.2 (M) slots: 1
1st M.2 largest key size: 2580
1st M.2 highest PCI Express generation: 4.0

BIOS

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit
ACPI version: 5.0
Clear CMOS jumper: Yes
BIOS flashback button: Yes
Desktop Management Interface (DMI) version: 2.7
System Management BIOS (SMBIOS) version: 2.7

Battery

Battery weight: 3 g
Lithium weight per battery: 0.07 g
Number of battery cells: 1
Battery technology: Lithium-Manganese Dioxide (LiMnO2)
Battery type: CR2032

Weight & dimensions

Width: 230 mm
Depth: 225 mm
Height: 35 mm

Other features

Weight: 880 g

Technical details

Warranty period: 3 year(s)

Check the manufacturer's page before buying.

Ready to buy? Get the Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM at today's price.Buy now

Compatible processors

AM5 socket

AMD Ryzen 7 9800X3D8 cores · 16 threads
AMD Ryzen 5 76006 cores · 12 threads
AMD Ryzen 7 7800X3D8 cores · 16 threads
AMD Ryzen 5 9600X6 cores · 12 threads
AMD Ryzen 5 7500F6 cores · 12 threads
AMD Ryzen 5 8600G6 cores · 12 threads
AMD Ryzen 9 9950X16 cores · 32 threads
AMD Ryzen 7 77008 cores · 16 threads

Compatible memory

DDR5

Kingston FURY Beast 32GB (2x16) DDR5-6000 CL3632 GB (2x16) · DDR5
ADATA XPG Lancer RGB 32GB (2x16) DDR5-6000 CL3032 GB (2x16) · DDR5
Klevv Cras V RGB32 GB (2x16) · DDR5
Klevv 32GB (2X16GB) 6400MHz CL32 DDR5 GAMING RAM MODULE 32-38-38-78 1.35V URBANE V RGB BLACK KIT32 GB (2x16) · DDR5
Klevv Bolt V32 GB (2x16) · DDR5
Klevv Fit V16 GB (1x16) · DDR5
Kingston 64GB 5200MT/s DDR5 CL36 DIMM (Kit of 2) FURY Beast Black EXPO64 GB (2x32) · DDR5
VeloxStor 7011-DDR, 16 GB, DDR5, 4800 MT/s, 288-pin UDIMM16 GB (1x16) · DDR5

About this product

Elevate your computing experience with GIGABYTE's renowned motherboard series: AORUS, AERO, and GIGABYTE. Featuring innovative designs and advanced features, these boards offer exceptional performance and reliability. Whether you're a gamer, content creator, or professional, our series cater to your needs, ensuring uncompromising quality and cutting-edge technology.

User manual (PDF)

B840M H Motherboard - AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM, up to 7200MHz DDR5 (OC), 1xPCIe 4.0 M.2, 1GbE LAN, USB 3.2 Gen 1 vs similar motherboards

	Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM	Gigabyte B840M EAGLE WIFI6 Motherboard AMD Ryzen 9000 CPUs	Gigabyte B840M D2H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM	ASUS PRIME B840M-R
Chipset	B840	B840	B840	B840
Form factor	mATX	mATX	mATX	mATX
Memory slots	2	2	2	2
Max memory	128 GB	128 GB	128 GB	128 GB
Socket	AM5	AM5	AM5	AM5
Memory type	DDR5	DDR5	DDR5	DDR5
Released	2025	2025	2025	2026

Questions about the B840M H Motherboard - AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM, up to 7200MHz DDR5 (OC), 1xPCIe 4.0 M.2, 1GbE LAN, USB 3.2 Gen 1

What are the main specs of the Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM?

B840, AM5, mATX, DDR5, 2 RAM slots.

Which chipset does the Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM use?

B840.

What form factor is the Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM?

mATX.

Which socket does the Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM use?

AM5.

When did the Gigabyte B840M H Motherboard AMD Ryzen 9000 CPUs, 5+2+2 Phases VRM come out?

It was released in 2025/10 (Gigabyte).

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