Overview
The GIGABYTE B850M DS3H is a Micro-ATX motherboard designed for AMD Socket AM5 desktop systems. Based on the AMD B850 chipset, it supports Ryzen 9000, 8000 and 7000 Series processors and provides DDR5 memory support, PCIe 5.0 expansion and high-speed NVMe storage connectivity.
Its hardware configuration includes four DDR5 memory slots, two M.2 connectors, four SATA storage connections and integrated 2.5GbE Ethernet. The board also features HDMI and dual DisplayPort outputs, USB Type-C connectivity and GIGABYTE Q-Flash Plus BIOS updating functionality.
Processor and Memory Support
The AMD Socket AM5 platform supports compatible Ryzen 9000, 8000 and 7000 Series desktop processors. Four DDR5 DIMM slots provide dual-channel memory architecture with a maximum supported capacity of 256GB.
Supported memory technologies include AMD EXPO and Intel XMP profiles. Memory speeds extend up to 8200 MT/s through overclocking, subject to processor, memory module and configuration compatibility.
Storage and Expansion
The motherboard provides two M.2 connectors for NVMe SSD installation. The primary M.2 connector supports PCIe 5.0 with compatible Ryzen 9000 and 7000 Series processors, while the secondary connector supports PCIe 4.0.
Four SATA 6Gb/s connectors provide additional storage connectivity. Expansion options include a primary PCIe 5.0 x16 slot and a secondary PCIe 3.0 x4 slot.
The primary graphics slot operates according to the installed processor's PCIe lane configuration. Ryzen 8000 Series processors have different lane configurations depending on the specific processor model.
Networking and Connectivity
An integrated Realtek 2.5GbE LAN controller provides wired network connectivity with support for 2.5Gbps, 1Gbps and 100Mbps link speeds.
The motherboard also includes USB Type-C connectivity, USB 3.2 Gen 2 interfaces, USB 3.2 Gen 1 connections and additional USB 2.0 ports for compatible peripherals and accessories.
Display Connectivity
The rear panel includes one HDMI 2.1 output and two DisplayPort 1.4 connections. These outputs use the integrated graphics capabilities of compatible AMD processors.
Display support includes resolutions up to 4096 x 2160 at 60Hz through HDMI and 3840 x 2160 at 144Hz through DisplayPort, subject to processor graphics capabilities.
Power Delivery and Cooling
The B850M DS3H features an 8+2+2 Twin Digital VRM design with a parallel-phase power configuration. Its six-layer PCB incorporates a 2X copper design and premium chokes and capacitors.
GIGABYTE Smart Fan 6 provides PWM and DC fan management with configurable fan curves. An M.2 Thermal Guard helps manage SSD operating temperatures.
Key Features
- AMD B850 chipset with AM5 socket support for Ryzen 9000, 8000 and 7000 Series processors.
- Four DDR5 DIMM slots supporting up to 256GB of dual-channel memory.
- Two M.2 connectors, including one PCIe 5.0-capable storage interface.
- Integrated Realtek 2.5GbE Ethernet for high-speed wired networking.
- Q-Flash Plus, M.2 EZ-Latch Plus and PCIe EZ-Latch for convenient system maintenance and component installation.
BIOS and System Management
GIGABYTE Q-Flash and Q-Flash Plus provide BIOS management and updating functionality. Q-Flash Plus allows supported BIOS updates without requiring a compatible processor or memory installation.
The motherboard also supports GIGABYTE Control Center for compatible system monitoring and management applications.
Applications
- AMD Ryzen gaming desktop computers.
- Compact Micro-ATX desktop PC configurations.
- Performance-oriented systems using DDR5 memory.
- Desktop computers requiring PCIe 5.0 NVMe storage.
- Multi-drive systems using M.2 NVMe and SATA storage.
DC Supplies Product Note
The primary PCIe x16 slot and first M.2 connector have processor-dependent PCIe capabilities. Ryzen 9000 and 7000 Series processors support PCIe 5.0 operation, while Ryzen 8000 Series processors use different PCIe 4.0 lane configurations. Check the processor-specific compatibility information before selecting expansion cards and NVMe drives.
Specifications
| Specification | Details |
|---|
| Brand | GIGABYTE |
| Part Number / MPN | B850M DS3H |
| Product Type | AMD Micro-ATX Motherboard |
| Chipset | AMD B850 |
| Processor Socket | AMD Socket AM5 |
| Supported Processors | AMD Ryzen 9000, 8000 and 7000 Series |
| Memory Type | DDR5 |
| Memory Slots | 4 x DDR5 DIMM |
| Maximum Memory Capacity | 256GB |
| Memory Architecture | Dual Channel |
| Maximum Memory Speed | 8200 MT/s (O.C.) |
| Memory Profiles | AMD EXPO and Intel XMP |
| Memory Support | Non-ECC Unbuffered DIMM |
| VRM Design | 8+2+2 Twin Digital VRM |
| PCB Design | 6-Layer PCB, 2X Copper PCB |
| Primary Expansion Slot | 1 x PCIe 5.0 x16 (processor-dependent) |
| Secondary Expansion Slot | 1 x PCIe 3.0 x4 (physical x16) |
| M.2 Connectors | 2 |
| Primary M.2 Interface | PCIe 5.0 x4/x2 or PCIe 4.0 depending on processor |
| Secondary M.2 Interface | PCIe 4.0 x4/x2 or x2 depending on processor |
| SATA Connectors | 4 x SATA 6Gb/s |
| NVMe RAID | RAID 0, 1, 5 and 10; RAID 5 requires Ryzen 9000 Series |
| SATA RAID | RAID 0, 1 and 10 |
| Wired Networking | Realtek 2.5GbE LAN |
| LAN Speeds | 2.5Gbps, 1Gbps and 100Mbps |
| Audio | Realtek High Definition Audio, up to 7.1-channel |
| HDMI Output | 1 x HDMI 2.1, up to 4096 x 2160 at 60Hz |
| DisplayPort Outputs | 2 x DisplayPort 1.4, up to 3840 x 2160 at 144Hz |
| USB Type-C Rear | 1 x USB 3.2 Gen 2 |
| USB Type-A Rear | 1 x USB 3.2 Gen 2 |
| Additional Rear USB | 2 x USB 3.2 Gen 1, 4 x USB 2.0 |
| Internal USB Type-C | 1 x USB 3.2 Gen 2 |
| Internal USB 3.2 Gen 1 | 4 ports supported through headers |
| Internal USB 2.0 | 4 ports supported through headers |
| Cooling Management | GIGABYTE Smart Fan 6 |
| RGB Connectivity | 3 x Addressable LED Headers, 1 x RGB LED Header |
| BIOS Features | Q-Flash and Q-Flash Plus |
| BIOS Memory | 256 Mbit Flash |
| Operating System Support | Windows 11 64-bit, Windows 10 64-bit |
| Form Factor | Micro-ATX |
| Dimensions | 24.4 x 24.4 cm |
Frequently Asked Questions
1. Which processors are compatible with the GIGABYTE B850M DS3H?
The motherboard supports AMD Ryzen 9000, 8000 and 7000 Series desktop processors using Socket AM5. Check GIGABYTE's CPU Support List for individual processor and BIOS compatibility.
2. How much DDR5 memory does this motherboard support?
It supports up to 256GB of DDR5 memory across four DIMM slots using a dual-channel memory architecture. Actual supported speeds depend on the processor and installed memory modules.
3. Does the B850M DS3H support PCIe 5.0 SSDs?
Yes. The primary M.2 connector supports PCIe 5.0 NVMe SSDs with compatible Ryzen 9000 and 7000 Series processors. The second M.2 connector supports PCIe 4.0 storage devices.
4. Does this motherboard have built-in Wi-Fi?
No. The standard B850M DS3H specification lists integrated Realtek 2.5GbE wired networking but does not list an onboard Wi-Fi module. A separate compatible wireless adapter is required for Wi-Fi connectivity.
5. What PC case is compatible with this motherboard?
The motherboard uses the Micro-ATX form factor and measures 24.4 x 24.4 cm. Choose a computer case that supports Micro-ATX motherboards.
6. Can the motherboard update its BIOS without a processor installed?
Yes. GIGABYTE Q-Flash Plus supports BIOS updating without requiring a compatible processor or memory installation. Follow the manufacturer's instructions for the correct BIOS file and update procedure.
Manufacturer Support
For BIOS updates, processor compatibility, memory compatibility and technical documentation, consult the official GIGABYTE product support resources.
