GIGABYTE B840M D2H AM5 Micro-ATX Motherboard (DDR5)

Description

Overview

The GIGABYTE B840M D2H is a Micro‑ATX motherboard for AMD Socket AM5 systems. It supports AMD Ryzen 7000, 8000 and 9000 series processors and is aimed at compact desktop and home‑office builds that need modern I/O and DDR5 memory support. ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))

Key features

• Socket: AM5 — compatible with AMD Ryzen™ 7000/8000/9000 series (check GIGABYTE for the latest CPU support list). ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))
• Memory: 2 x DDR5 DIMM slots, up to 128 GB total; supported speeds up to DDR5‑7600 (O.C.) and support for AMD EXPO/XMP profiles. ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))
• Storage: 2 x M.2 Socket 3 (one CPU‑integrated, one chipset), 4 x SATA 6Gb/s ports; RAID support where indicated by CPU. ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))
• Networking & video: Realtek 2.5GbE LAN and an HDMI 2.1 port (up to 4K@60Hz, dependent on CPU GPU support). ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))
• Expansion: 1 x PCIe x16 slot (CPU‑linked) plus chipset PCIe x4 slot; internal headers include USB 3.2 Gen1 and multiple USB 2.0 headers, RGB and addressable RGB headers. ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))

Why choose this board

The B840M D2H gives a modern AM5 platform in a small micro‑ATX footprint, offering DDR5 memory support, dual M.2 slots and 2.5GbE for faster wired networking. It’s a good fit for users building a compact system who still want up‑to‑date connectivity and storage options. Always confirm CPU compatibility and, if required, update the board BIOS before first use. ([gigabyte.com](https://www.gigabyte.com/Motherboard/B840M-D2H-rev-10-11/sp))