GIGABYTE A520M DS3H AMD A520 AM4 DDR4 Micro ATX Motherboard
- Supports AMD Ryzen 5000, 5000 G-Series, 4000 G-Series & 3000 Series Processors
- 4x DDR4 DIMM Slots with Dual-Channel ECC / Non-ECC Unbuffered Memory Support
- Ultra-Fast PCIe 3.0 x4 M.2 NVMe SSD Connector & 5+3 Phase Digital VRM
- Gaming LAN, RGB Fusion 2.0, Smart Fan 5 & Q-Flash Plus
GIGABYTE A520M DS3H AMD A520 AM4 DDR4 Motherboard
AMD A520 Motherboard for Ryzen Desktop PC Builds
The GIGABYTE A520M DS3H is an AMD A520 chipset motherboard designed for compatible AMD Ryzen processors. It combines four DDR4 DIMM slots, PCIe 3.0 x4 M.2 NVMe storage, a 5+3 phase digital VRM solution, multiple display outputs and GIGABYTE system management technologies in a compact Micro ATX platform.
With support for compatible AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series and Ryzen 3000 Series processors, the A520M DS3H provides a practical foundation for home, office, productivity, multimedia and gaming desktop systems.
Product Features
AMD Ryzen Processor Support: Supports compatible AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series and Ryzen 3000 Series processors.
Four DDR4 DIMM Slots: Four memory slots provide flexible DDR4 memory configuration for compatible desktop systems.
Dual-Channel DDR4: Supports dual-channel ECC and non-ECC unbuffered DDR4 memory for compatible processors and memory modules.
DDR4-4400 (OC): Memory speeds of up to DDR4-4400 through supported overclocked configurations provide additional performance options for compatible memory.
5+3 Phase Digital VRM: A 5+3 phase pure digital VRM solution with Low RDS(on) MOSFETs provides stable power delivery for compatible system components.
PCIe 3.0 x4 M.2: An ultra-fast NVMe PCIe 3.0 x4 M.2 connector provides high-speed storage connectivity for compatible M.2 SSDs.
GIGABYTE Gaming LAN: GIGABYTE 8118 Gaming LAN with bandwidth management provides wired network connectivity with traffic management capabilities.
Multiple Display Outputs: HDMI, DVI-D and DisplayPort provide flexible monitor connectivity when used with a compatible AMD processor featuring integrated graphics.
RGB Fusion 2.0: Supports compatible addressable LED and RGB LED strips, providing lighting customization options for desktop PC builds.
Smart Fan 5: Smart Fan 5 combines multiple temperature sensors with hybrid fan headers and FAN STOP functionality to provide flexible system cooling management.
Q-Flash Plus: Q-Flash Plus enables supported BIOS updates without requiring the CPU, memory or graphics card to be installed.
High-Quality Audio: Integrated audio features provide onboard sound functionality for multimedia, gaming and everyday computing.
Product Specifications
| Brand | GIGABYTE |
| Model | A520M DS3H |
| Chipset | AMD A520 |
| CPU Socket | AM4 |
| Processor Support | Compatible AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series & 3000 Series Processors |
| Memory Type | DDR4 |
| Memory Slots | 4 x DDR4 DIMM |
| Memory Architecture | Dual Channel |
| Memory Support | ECC / Non-ECC Unbuffered DDR4* |
| Memory Speed | Up to DDR4-4400 (OC)* |
| VRM | 5+3 Phase Pure Digital VRM |
| MOSFET | Low RDS(on) MOSFETs |
| M.2 Storage | NVMe PCIe 3.0 x4 M.2 |
| LAN | GIGABYTE 8118 Gaming LAN |
| LAN Feature | Bandwidth Management |
| HDMI | Yes |
| DisplayPort | Yes |
| DVI-D | Yes |
| RGB | RGB Fusion 2.0 |
| Addressable RGB | Supported |
| Cooling Management | Smart Fan 5 |
| Fan Stop | Supported |
| BIOS Feature | Q-Flash Plus |
| Form Factor | Micro ATX |
| Product Type | Desktop Motherboard |
*Actual memory speed and ECC functionality can depend on the installed processor, memory modules, BIOS version and system configuration.
Four DDR4 DIMM Slots
The GIGABYTE A520M DS3H features four DDR4 DIMM slots with dual-channel memory architecture. This provides greater flexibility when configuring or upgrading system memory compared with entry-level motherboards equipped with only two memory slots.
5+3 Phase Pure Digital VRM
The 5+3 phase pure digital VRM solution uses Low RDS(on) MOSFETs to provide stable power delivery for compatible AMD Ryzen processors and system components.
Ultra-Fast PCIe 3.0 x4 NVMe M.2
An integrated PCIe 3.0 x4 M.2 connector provides high-speed connectivity for compatible NVMe solid-state drives. This allows users to build responsive systems with fast operating system startup, application loading and file access.
GIGABYTE Gaming LAN with Bandwidth Management
GIGABYTE 8118 Gaming LAN provides wired Ethernet connectivity along with bandwidth management functionality designed to help manage network traffic for gaming, streaming and other connected applications.
HDMI, DisplayPort and DVI-D
Multiple display interfaces including HDMI, DisplayPort and DVI-D provide flexible monitor connectivity. Motherboard video outputs require a compatible AMD processor with integrated graphics.
RGB Fusion 2.0
GIGABYTE RGB Fusion 2.0 provides support for compatible addressable LED and RGB LED strips, allowing users to customize and coordinate lighting within their desktop PC build.
Smart Fan 5 Cooling Management
Smart Fan 5 uses multiple temperature sensors and hybrid fan headers to provide flexible cooling control. FAN STOP support can stop compatible fans under suitable operating conditions for quieter system operation.
Q-Flash Plus BIOS Updates
Q-Flash Plus provides a convenient method for updating the motherboard BIOS without requiring a processor, memory or graphics card to be installed. This can be particularly useful when preparing the motherboard for a supported processor that requires a newer BIOS version.
Important Compatibility Information
Before purchase, confirm that your intended AMD Ryzen processor is supported by the motherboard and installed BIOS version. Processor support may vary according to motherboard revision and BIOS version.
Memory speed and ECC functionality depend on the processor and installed memory modules. HDMI, DisplayPort and DVI-D motherboard outputs require a compatible AMD processor with integrated graphics.

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