About Gigabyte B550M H ARGB M-ATX Motherboard
AMD B550 Ultra Durable Motherboard with GbE LAN, ARGB header, Q-Flash Plus, PCIe 4.0 x4 M.2, Smart Fan 6, Anti-Sulfur Resistors Design.
Built on the AMD B550 chipset, the Gigabyte B550 Series Desktop Motherboard supports Ryzen 3000, 4000 G-Series, and 5000 Series processors while offering PCIe 4.0 support for faster graphics cards and NVMe SSDs.
Its compact Micro-ATX form factor makes it suitable for space-efficient builds without compromising essential connectivity.
Equipped with Smart Fan 6, ARGB lighting headers, Q-Flash Plus, and Ultra Durable components, the Gigabyte B550 Series Desktop Motherboard delivers stable performance, efficient cooling, and long-term reliability for gaming, productivity, and everyday computing tasks.
| Category | Specification |
|---|---|
| Product Name | Gigabyte B550M H ARGB M-ATX Motherboard |
| Form Factor | Micro-ATX |
| Chipset | AMD B550 |
| CPU Socket | AMD Socket AM4 |
| Supported Processors | AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, Ryzen 3000 Series, Ryzen 3000 G-Series |
| Memory Slots | 2× DDR4 DIMM |
| Maximum Memory Capacity | 64GB |
| Memory Architecture | Dual Channel |
| Memory Speed | DDR4 2133–5100MHz (OC) |
| XMP Support | Yes |
| ECC Memory Support | Yes (Non-ECC Mode) |
| PCIe x16 Slot | 1× PCIe 4.0 x16 (CPU Dependent) |
| PCIe x1 Slot | 1× PCIe 3.0 x1 |
| M.2 Slot | 1× PCIe 4.0 x4 / SATA M.2 |
| SATA Ports | 4× SATA 6Gb/s |
| Graphics Output | 1× HDMI 2.1 |
NVMe PCIe 4.0*/3.0 M.2 Connector
With NVMe PCIe 4.0*/3.0 x4 M.2 connector onboard, the Gigabyte ARGB m-ATX Desktop Motherboard bring users to experience NVMe mode or SATA mode connectivity with delivering up to 64 Gb/s data transfer speed.
GbE LAN
Gigabit Ethernet (GbE) LAN provides significantly faster data transfer speeds of up to 1 Gbps, which is ten times faster than traditional 100 Mbps Fast Ethernet, enabling smoother streaming, faster file transfers, and more responsive network applications.
Smart Fan 6
Smart Fan 6 contains several unique cooling features that ensure gaming PC maintain its performance while staying cool and quiet. Multiple fan headers can support PWM/DC fan and pump, and users can easily define each fan curve based on different temperature sensors across the board via intuitive user interface.
- High Current Support: Each fan headers support PWM and DC fan and Water Cooling Pump , and up to 24W (12V x 2A) with Over-Current Protection
- Precision Control: Multiple temperature/fan speed control points for precise fan curve
- Dual Curve Mode: Slope/Stair dual mode for different user scenario
- Fan Stop: Fan can stop completely below users’ specified temperature point
Smart Fan 6 BIOS UI
- Improve fan curve UI: We increase control points from 5 to 7 and larger fan speed graph for precise and easier fan curve control.
- Slope/Stair dual graph mode: Fan curve can be quickly switch with Slope and Stair modes for different user scenario. Slope is traditional and intuitive linear fan speed curve. With newly added Stair non-linear mode, fan keeps at same speed between specified temperature interval.
- Manual Input: For advanced users, we provide fan speed manual input for more precise control.
- EZ Tuning: Use can place 4 EZ Tuning points at rough temperature/fan speed, and Smart Fan 6 can quickly generate a fan curve.
- Fan curve profile: Fan curve profile can be saved in BIOS ROM, profile will be kept after updating BIOS.
High-End Audio Capacitors
The Gigabyte B550M H ARGB M-ATX Motherboard uses high-end audio capacitors. These high quality capacitors help deliver high resolution and high fidelity audio to provide the most realistic sound effects for gamers.
Audio Noise Guard
The Gigabyte B550M H ARGB M-ATX Motherboard features an audio noise guard that essentially separates the board’s sensitive analog audio components from potential noise pollution at the PCB level.
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