B840M H

AMD Socket AM5, support for:
AMD Ryzen™ 9000 Series Processors
AMD Ryzen™ 8000 Series Processors
AMD Ryzen™ 7000 Series Processors
(Go to GIGABYTE's website for the latest CPU support list.)

AMD B840

Support for DDR5 7200(OC)/7000(OC)/6800(OC)/6666(OC)/6600(OC)/6400(OC)/6200(OC)/ 6000(OC)/5600(OC)/5200/4800/4400 MT/s memory modules
2 x DDR5 DIMM sockets supporting up to 128 GB (64 GB single DIMM capacity) of system memory
Dual channel memory architecture
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for AMD EXtended Profiles for Overclocking (AMD EXPO™) and Extreme Memory Profile (XMP) memory modules
(The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

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.

- 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz

* Support for HDMI 2.1 version and HDCP 2.3.
** Support for native HDMI 2.1 TMDS compatible ports.

(Graphics specifications may vary depending on CPU support.)

Realtek® Audio CODEC
High Definition Audio
2/4/5.1/7.1-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.

Realtek® GbE LAN chip (1 Gbps/100 Gbps/10 Mbps)

1 x PCI Express 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

* The PCIEX16 slot can only support a graphics card or an NVMe SSD.

Chipset:
- 1 x PCI Express x1 slot, supporting PCIe 3.0 and running at x1

1 x M.2 connector, 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 SSDs
4 x SATA 6Gb/s connectors
RAID 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

CPU:
- 2 x USB 3.2 Gen 1 ports on the back panel
- 1 x USB 2.0/1.1 port on the back panel
Chipset:
- 2 x USB 3.2 Gen 1 ports available through the internal USB header
- 7 x USB 2.0/1.1 ports (3 ports on the back panel, 4 ports available through the internal USB headers)

1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x CPU fan header
2 x system fan headers
2 x addressable RGB Gen2 LED strip headers
1 x RGB LED strip header
1 x M.2 Socket 3 connector
4 x SATA 6Gb/s connectors
1 x front panel header
1 x front panel audio header
1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
1 x Trusted Platform Module header (For the GC-TPM2.0 SPI V2 module only)
1 x reset jumper
1 x Clear CMOS jumper

4 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse port
1 x Q-Flash Plus button
2 x USB 3.2 Gen 1 ports
1 x DisplayPort*
1 x HDMI port*
1 x RJ-45 port
3 x audio jacks

* Actual support may vary by CPU.

iTE® I/O Controller Chip

Voltage detection
Temperature detection
Fan speed detection
Water cooling flow rate detection
Fan fail warning
Fan speed control

* Whether the fan speed control function is supported will depend on the fan you install.

1 x 256 Mbit flash
Use of licensed AMI UEFI BIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Support for GIGABYTE Control Center (GCC)

* Available applications in GCC may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.

Support for Q-Flash
Support for Q-Flash Plus
Support for Smart Backup

Norton® Internet Security (OEM version)

Support for Windows 11 64-bit
Support for Windows 10 64-bit

Micro ATX Form Factor; 23.0cm x 22.5cm