GIGABYTE B840M DS3H AM5 DDR5 Micro ATX Motherboard
The GIGABYTE B840M DS3H is a Micro ATX AMD AM5 motherboard designed for modern gaming PCs, compact desktops, office systems, and performance-focused workstation builds. Based on the AMD B840 chipset, it supports compatible AMD Ryzen 9000, Ryzen 8000, and Ryzen 7000 Series processors. The motherboard combines DDR5 memory, PCIe 4.0 graphics support, dual M.2 storage, 2.5GbE networking, multiple display outputs, and Q-Flash Plus in a compact 24.4 × 24.4 cm design.
AMD AM5 Platform and B840 Chipset
The GIGABYTE B840M DS3H uses the AMD Socket AM5 platform and supports compatible Ryzen 9000, Ryzen 8000, and Ryzen 7000 Series processors. The AMD B840 chipset provides a modern foundation for gaming, productivity, content creation, office applications, and everyday desktop computing.
Its AM5 platform also makes the motherboard suitable for users planning a modern AMD-based PC with DDR5 memory and current-generation connectivity.
DDR5 Memory Support up to 256GB
The motherboard features four DDR5 DIMM slots with dual-channel memory architecture and supports up to 256GB of system memory. GIGABYTE specifies DDR5 memory speeds of up to 8200 MT/s (OC), depending on the processor, memory modules, and system configuration.
It also supports AMD EXPO and Intel XMP memory profiles for compatible DDR5 memory kits, helping users configure high-speed memory more conveniently.
PCIe 4.0 Graphics Support
The primary PCIe x16 slot is designed for dedicated graphics cards and supports PCIe 4.0 x16 with compatible Ryzen processors. This provides sufficient bandwidth for modern GPUs used in gaming, graphics-intensive applications, content creation, and other GPU-accelerated workloads.
The motherboard also includes an additional PCIe expansion slot for compatible add-in cards and peripherals.
Dual M.2 NVMe Storage
For high-speed storage, the B840M DS3H provides two M.2 connectors for compatible NVMe SSDs. PCIe 4.0 support enables fast storage performance for operating systems, applications, games, and large files.
In addition to M.2 storage, the motherboard provides four SATA 6Gb/s connectors, allowing users to connect additional SATA SSDs and hard drives for expanded storage capacity.
Realtek 2.5GbE LAN
The motherboard features a Realtek 2.5GbE LAN controller for high-speed wired networking. It supports network speeds up to 2.5Gbps when connected to compatible networking equipment.
The 2.5GbE interface is useful for high-speed local file transfers, gaming, streaming, network storage, and compatible high-speed internet connections.
HDMI 2.1 and DisplayPort 1.4
The GIGABYTE B840M DS3H provides one HDMI 2.1 port and two DisplayPort 1.4 outputs for compatible processors with integrated graphics.
These display interfaces allow users to connect multiple monitors for productivity, multitasking, entertainment, and general computing. Actual display capabilities depend on the integrated graphics support of the installed processor.
USB Connectivity and Q-Flash Plus
The motherboard provides multiple USB ports for connecting keyboards, mice, external storage devices, printers, controllers, and other peripherals. It combines modern USB connectivity with traditional rear I/O options for flexible desktop use.
Q-Flash Plus makes BIOS updating more convenient by allowing compatible BIOS updates without requiring a CPU or memory to be installed, following GIGABYTE's specified procedure.
Compact Micro ATX Design
With dimensions of 24.4 × 24.4 cm, the B840M DS3H uses the Micro ATX form factor. Its compact design allows it to fit into a wide range of Micro ATX and compatible ATX PC cases.
Despite its compact footprint, the motherboard provides four DIMM slots, dual M.2 storage, four SATA ports, PCIe expansion, and 2.5GbE networking, making it suitable for compact yet upgradeable desktop builds.
Key Features
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AMD Socket AM5 for compatible Ryzen 9000/8000/7000 Series processors
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AMD B840 chipset
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Micro ATX 24.4 × 24.4cm form factor
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4× DDR5 DIMM slots
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Up to 256GB DDR5 memory
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DDR5 up to 8200 MT/s (OC)
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AMD EXPO and Intel XMP support
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PCIe 4.0 x16 graphics support
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2× M.2 NVMe storage slots
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4× SATA 6Gb/s connectors
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Realtek 2.5GbE LAN
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HDMI 2.1 and 2× DisplayPort 1.4
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Multiple USB connectivity options
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Q-Flash Plus BIOS update support
Why Choose GIGABYTE B840M DS3H?
The GIGABYTE B840M DS3H is a practical choice for users building a modern AMD Ryzen PC with a Micro ATX motherboard. Its combination of AM5 processor support, DDR5 memory, PCIe 4.0 graphics connectivity, dual M.2 storage, 2.5GbE LAN, multiple display outputs, and Q-Flash Plus provides a balanced platform for gaming, productivity, office computing, content creation, and everyday desktop applications.
FAQ (Frequently Asked Questions)
What processors does the GIGABYTE B840M DS3H support?
The motherboard supports compatible AMD Ryzen 9000, Ryzen 8000, and Ryzen 7000 Series processors using the AM5 socket.
What chipset does the B840M DS3H use?
It is based on the AMD B840 chipset.
How much RAM does GIGABYTE B840M DS3H support?
It supports up to 256GB of DDR5 memory through four DIMM slots.
What is the maximum DDR5 speed supported?
The motherboard supports DDR5 speeds of up to 8200 MT/s through overclocking, depending on the processor and memory configuration.
How many M.2 slots does the B840M DS3H have?
It provides 2 M.2 connectors for compatible NVMe SSDs.
Does GIGABYTE B840M DS3H have 2.5GbE LAN?
Yes. It features a Realtek 2.5GbE LAN controller for high-speed wired networking.
Does the B840M DS3H have built-in Wi-Fi?
The standard B840M DS3H does not include integrated Wi-Fi. A separate wireless adapter or expansion card is required for Wi-Fi connectivity.
What display outputs are available?
The motherboard provides 1× HDMI 2.1 and 2× DisplayPort 1.4 outputs for compatible processors with integrated graphics.
Is the GIGABYTE B840M DS3H suitable for gaming?
Yes. It supports compatible Ryzen processors, DDR5 memory, PCIe 4.0 graphics cards, NVMe SSDs, and 2.5GbE networking, making it suitable for modern gaming PC builds.
What is the form factor of the B840M DS3H?
It is a Micro ATX motherboard measuring 24.4 × 24.4 cm.
