Description
Gigabyte B840M D2H AM5 Micro‑ATX DDR5 Motherboard
B840M D2H
The Gigabyte B840M D2H is a compact yet powerful Micro‑ATX motherboard designed for AMD Socket AM5, compatible with Ryzen 9000/8000/7000 series processors. It features a robust 5+2+2-phase digital VRM, dual DDR5 memory support, next-gen PCIe 4.0 expansion, Wi-Fi 6E, and 2.5GbE LAN connectivity. It also includes intelligent BIOS features like X3D Turbo for enhanced gaming performance and Q-Flash Plus for easy updates. Ideal for budget-conscious gamers or creators looking for high-end features in a small form factor.
Key Features
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X3D Turbo Mode for enhanced gaming
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AMD AM5 support with Ryzen 7000 / 8000 / 9000 processors
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5+2+2‑phase digital VRM design
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Dual‑channel DDR5 memory support
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PCIe 4.0 x16 slot with EZ‑Latch design
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Two M.2 slots including PCIe 4.0 x4
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Integrated Wi‑Fi 6E and Bluetooth support
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2.5GbE LAN for super-fast networking
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HDMI output, 4× USB 2.0, 2× USB 3.2 Gen1
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Smart Fan 6 with hybrid headers and multiple sensors
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Q‑Flash Plus for BIOS updates without CPU or RAM
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EZ‑Debug Zone LEDs and Multi‑Key control functions
Full Specifications Table
| Specification | Details |
|---|---|
| Model | Gigabyte B840M D2H (Rev 1.0) |
| Form Factor | Micro‑ATX (244 × 244 mm) |
| Socket / Chipset | AM5 / AMD B840 |
| CPU Support | Ryzen 9000 / 8000 / 7000 series |
| VRM Design | 5+2+2-phase digital VRM |
| Memory Support | 2× DDR5 DIMMs (dual-channel) |
| Memory Support Max | Up to 128GB DDR5 (~7600MT/s supported) |
| PCIe Slots | 1× PCIe 4.0 x16, 1× PCIe 3.0 x4 |
| M.2 Slots | 1× PCIe 4.0 x4, 1× PCIe 3.0 |
| SATA Ports | 2× SATA 6Gb/s |
| LAN | 2.5GbE Ethernet |
| Wi‑Fi / Bluetooth | Wi‑Fi 6E on selected models (AX antenna port) |
| USB – Rear Panel | 1× USB 3.2 Gen1, 4× USB 2.0 |
| Display Output | HDMI |
| Audio | 8-channel HD Audio with Noise Guard |
| Cooling Features | Smart Fan 6 with hybrid headers and sensors |
| BIOS Tools | Q‑Flash Plus, Multi‑Key, EZ‑Debug Zone LEDs |
| Extras | PCIe EZ‑Latch, RGB Fusion headers |
| Warranty | 3 Year Warranty |




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