Gigabyte B550M DS3H AC R2 - B550 Micro-ATX AM4 Motherboard, DDR4, 128GB Max, Wi-Fi 5 AC, RGB LED
B550 micro-ATX motherboard for AMD Ryzen 3000/4000/5000 series. Supports DDR4 up to 128GB (4 slots), PCIe 4.0, 2x M.2 NVMe, 4x SATA, Wi-Fi 5 AC, HDMI 2.1, DisplayPort, RGB LED headers.
Available in 6–10 business days : 100 pieces
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The Gigabyte B550M DS3H AC R2 is a feature-rich micro-ATX motherboard designed for AMD Ryzen 3000, 4000, and 5000 series processors. Built on the AM4 socket with the B550 chipset, this board delivers PCIe 4.0 performance for next-generation storage and graphics expansion while maintaining excellent value for budget-conscious builders.
This motherboard supports up to 128GB of DDR4 memory across four DIMM slots, with support for speeds up to DDR4-4733MHz. The board features 2x M.2 NVMe slots (one PCIe 4.0 x4, one PCIe 3.0 x4) for fast SSD storage, plus 4x SATA 6Gb/s ports for traditional drives. Connectivity includes HDMI 2.1 (supporting 48Gb/s bandwidth and 21:9 cinematic ratio) and DisplayPort for video output, Gigabit Ethernet LAN, and Wi-Fi 5 AC with antenna for wireless connectivity. The board includes 3x RGB LED headers and 2x ARGB headers for customizable lighting, plus Smart Fan 6 technology with dual fan curve modes (Slope and Stair) for precise thermal management.
Additional features include a 5+3 phase digital VRM with thermal armor, 4x USB 3.0 ports and 2x USB 2.0 ports on the rear I/O, 3x PWM/DC fan headers supporting up to 24W per header, and support for AMD StoreMI technology for optimized storage performance. The compact micro-ATX form factor (244mm x 244mm) makes it ideal for smaller builds while maintaining excellent expansion options.
- Socket AM4 for Ryzen 3000/4000/5000 series processors
- B550 chipset with PCIe 4.0 support
- 4x DDR4 DIMM slots, up to 128GB capacity
- 2x M.2 NVMe slots (PCIe 4.0 and PCIe 3.0)
- 4x SATA 6Gb/s ports with RAID 0/1/10 support
- HDMI 2.1 and DisplayPort video outputs
- Wi-Fi 5 AC with antenna included
- Gigabit Ethernet LAN (Realtek RTL8111H)
- 3x RGB + 2x ARGB LED headers
- Smart Fan 6 with dual curve modes
- Micro-ATX form factor (244mm x 244mm)
| CPU Socket | Socket AM4 |
| Chipset | AMD B550 |
| Form Factor | Micro-ATX |
| Motherboard Dimensions | 244mm (W) x 244mm (D) |
| Supported Processors | AMD Ryzen 5000 / 4000 / 3000 Series |
| VRM Design | 5+3 Digital Phases with Thermal Armor |
| Memory Type | DDR4 SDRAM |
| Memory Slots | 4x DIMM |
| Maximum Memory | 128GB |
| Memory Speed Support | DDR4-4733 / 4600 / 4400 / 4266 / 4133 / 4000 / 3866 / 3733 / 3600 / 3466 / 3400 / 3200 / 2933 / 2667 / 2400 / 2133 MHz |
| Memory Channels | Dual Channel |
| PCIe Slots | 1x PCIe 4.0 x16 (UD Slot), 1x PCIe 3.0 x16 (x4 mode), 1x PCIe 3.0 x1 |
| M.2 Slots | 2x M.2 (1x PCIe 4.0 x4, 1x PCIe 3.0 x4) |
| M.2 Maximum Length | 110mm |
| SATA Ports | 4x SATA 6Gb/s |
| RAID Support | RAID 0, 1, 10 |
| Video Outputs | 1x HDMI 2.1, 1x DisplayPort |
| HDMI Specifications | HDMI 2.1 (48Gb/s bandwidth, 21:9 cinematic ratio, Full HDR, HDCP 2.3) |
| USB 3.0 Ports | 4x USB 3.0 (Rear I/O) |
| USB 2.0 Ports | 2x USB 2.0 (Rear I/O) |
| USB Headers | 1x USB 2.0 Header, 2x USB 3.0 Headers |
| LAN | Realtek RTL8111H Gigabit Ethernet |
| Wireless Connectivity | Wi-Fi 5 AC with Antenna |
| Audio | 7.1 Channel Audio |
| Audio Connectors | 1x Microphone, 4x Line-Out 3.5mm, 1x S/PDIF Optical Out |
| Fan Headers | 3x PWM/DC Fan Headers (supports up to 24W per header) |
| Fan Control | Smart Fan 6 with Dual Curve Mode (Slope/Stair) |
| RGB LED Headers | 3x 4-pin 12V RGB Headers, 2x 3-pin 5V ARGB Headers |
| Power Connectors | 1x 24-pin ATX (UD Pin), 1x 8-pin CPU (UD Solid Pin) |
| BIOS | 128 Mbit |
| Overclocking Support | Yes (Free Multiplier, RAM Overclocking) |
| AMD StoreMI Technology | Supported |
| Color | Black |
| Motherboard Weight | 980g |