GIGABYTE B840M D2H Motherboard
The GIGABYTE B840M D2H is an AMD Socket AM5 motherboard built around the B840 chipset. It supports Ryzen 9000, 8000 and 7000 Series processors, subject to GIGABYTE’s CPU support list, and provides two DDR5 DIMM sockets with dual-channel memory support.
Storage options include two M.2 sockets and four SATA 6 Gb/s connectors. The board also provides a CPU-connected PCIe x16 slot, a chipset-connected PCIe 3.0 x4 slot and one HDMI 2.1 output. HDMI display capability depends on the installed processor’s graphics support.
For system connectivity, it includes Realtek 2.5GbE LAN, Realtek audio, rear USB ports and internal USB headers. The memory data rate and some lane configurations depend on the processor and memory configuration.
Specs & Features:
- Brand: GIGABYTE
- Model: B840M D2H (GA-B840M-D2H)
- Chipset: AMD B840
- CPU socket: AMD Socket AM5
- Supported processors: AMD Ryzen 9000, 8000 and 7000 Series processors, subject to the manufacturer's CPU support list
- Memory type: DDR5
- Memory sockets: 2 DDR5 DIMM sockets
- Memory architecture: Dual-channel
- Maximum memory capacity: 128 GB total, up to 64 GB per DIMM
- Supported memory modules: Non-ECC unbuffered DIMMs
- Memory profiles: AMD EXPO and XMP
- Maximum listed memory data rate: Up to DDR5-7600 (OC); supported rates depend on CPU and memory configuration
- M.2 socket 1: M-key 2580/2280 SSDs; PCIe 4.0 x4/x2, with lane support dependent on processor
- M.2 socket 2: M-key 2280 SSDs; PCIe 3.0 x2
- SATA connectors: 4 × SATA 6 Gb/s
- Ethernet: Realtek 2.5GbE LAN (2.5 Gbps, 1 Gbps and 100 Mbps)
- Audio: Realtek audio codec; High Definition Audio with configurable 2/4/5.1/7.1-channel output
- Form factor: Micro ATX
- Display output: 1 HDMI port
- HDMI version: HDMI 2.1
- Maximum HDMI resolution and refresh rate: 4096 × 2160 at 60 Hz
- HDMI features: HDCP 2.3 and HDR; output capability depends on the installed processor's graphics support
- M.2 sockets: 2
- NVMe RAID: RAID 0/1/5/10; RAID 5 limited to Ryzen 9000 Series processors
- SATA RAID: RAID 0/1/10
- CPU-connected expansion slot: 1 PCIe x16 slot; supported link width varies by processor series
- Chipset-connected expansion slot: 1 physical PCIe x16 slot operating at PCIe 3.0 x4
- Rear USB ports: 2 × USB 3.2 Gen 1; 4 × USB 2.0/1.1
- USB header ports: 2 × USB 3.2 Gen 1; 4 × USB 2.0/1.1
- Power connectors: 1 × 24-pin ATX main power; 1 × 8-pin ATX 12V power
- Fan and pump headers: CPU fan, CPU fan/water-cooling pump and system fan headers
- RGB headers: 2 addressable RGB Gen2 LED headers and 1 RGB LED header
- Front-panel connections: Front-panel and front-panel-audio headers
- Internal USB headers: 1 USB 3.2 Gen 1 header; 2 USB 2.0/1.1 headers
- Other internal connectors: TPM header; reset and Clear CMOS jumpers
An AM5 B840 motherboard with dual DDR5 memory support, two M.2 sockets and 2.5GbE networking.
A suitable foundation for an AMD AM5 desktop build requiring DDR5 memory, M.2 storage and wired 2.5GbE networking.
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