Gigabyte B840M D2H AMD Socket AM5 Micro ATX Desktop Motherboard
R2185
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
In stock
Description
FEATURES
X3D Turbo Mode to unleash new era gaming performance
AMD Socket AM5: Supports AMD Ryzenâ„¢ 9000 / 8000 / 7000 Series Processors
Digital 5+2+2 phases VRM solution
Dual Channel DDR5: 2*DIMMs with AMD EXPOâ„¢ Memory Module Support
EZ-Latch: PCIe x16 Slot with Quick Release Design
Friendly UI: Multi-Theme, AIO Fan Control, and Q-Flash Auto Scan in BIOS and SW
Ultra-Fast Storage: 2*M.2 slots, including 1* PCIe 4.0 x4
Fast Networking: 2.5GbE LAN
TECHNICAL SPECIFICATIONS
CPU
AMD Socket AM5
Spport for: AMD Ryzenâ„¢ 9000 Series Processors / AMD Ryzenâ„¢ 8000 Series Processors / AMD Ryzenâ„¢ 7000 Series Processors
(Go to GIGABYTE’s latest CPU support list.)
Chipset: AMD B840
Memory
Support up to DDR5 7600 MT/s (O.C) / 5200 MT/s (JEDEC) memory modules
2x 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 EXPOâ„¢) 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 GIGABYTE’s Memory Support List for more information.)
Onboard Graphics
Integrated Graphics Processor with AMD Radeonâ„¢ Graphics support
1 x HDMI port, supporting a maximum resolution of 4096×2160@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 CODEC High Definition Audio 2/4/5.1/7.1-channel
LAN: Realtek® 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
Expansion Slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU
AMD Ryzenâ„¢ 9000/7000 Series Processors support PCIe 4.0 x16 mode
AMD Ryzenâ„¢ 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode
AMD Ryzenâ„¢ 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
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2580/2280 SSDs
AMD Ryzenâ„¢ 9000/7000 Series Processors support PCIe 4.0 x4/x2 SSDs
AMD Ryzenâ„¢ 8000 Series-Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs
AMD Ryzenâ„¢ 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs
1 x M.2 connector (M2C_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 PCIe 3.0 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 Ryzenâ„¢ 9000 Series Processors.)
RAID 0, RAID 1, and RAID 10 support for SATA storage devices
USB
CPU
2 x USB 3.2 Gen 1 ports on the back panel
CPU+USB 2.0 Hub
4 x USB 2.0/1.1 ports on the back panel
Chipset
2 x USB 3.2 Gen 1 ports available through the internal USB header
4 x USB 2.0/1.1 ports available through the internal USB headers
Operating System
Windows 11 64-bit
Windows 10 64-bit
Form Factor: Micro ATX (24.4 x 24.4cm)
Additional information
| Weight | 1 kg |
|---|---|
| Dimensions | 27 × 26 × 6 cm |
| Condition | |
| CPU Manufacturer | AMD |
| CPU Socket | AM5 |
| Motherboard Chipset | AMD B840 |
| Form Factor | Micro ATX |
Frequently Asked Questions
Q: Which processors are compatible with this motherboard?
A: This motherboard uses the AM5 socket layout. Make sure your CPU matches this socket type before buying.
Q: What chipset does this motherboard have?
A: This board is built with the AMD B840 chipset, which determines the features, connectivity, and overclocking options it supports.
Q: What size case do I need for this motherboard?
A: This is an Micro ATX motherboard. Make sure your PC chassis supports this specific size layout.












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