Description
What is GIGABYTE B550M DS3H AC?
The GIGABYTE B550M DS3H AC is a Micro-ATX motherboard powered by the AMD B550 chipset, designed for AMD Ryzen™ AM4 processors. It offers PCIe® 4.0 support, dual M.2 NVMe slots, built-in Wi-Fi AC, RGB lighting support, and high-speed DDR4 memory compatibility, making it ideal for gaming, productivity, and everyday desktop builds.
Key Specifications
Chipset: AMD B550
CPU Socket: AM4
Form Factor: Micro-ATX (24.4 cm × 24.4 cm)
Supported Processors
Supports:
- AMD Ryzen™ 5000 Series Processors
- AMD Ryzen™ 5000 G-Series Processors
- AMD Ryzen™ 4000 G-Series Processors
- AMD Ryzen™ 3000 Series Processors
- AMD Ryzen™ 3000 G-Series Processors
Memory Support
Memory Type: DDR4
Memory Slots: 4 x DIMM
Maximum Memory Capacity: 128 GB
Supported Memory Speeds
- DDR4-4733 (OC)
- DDR4-4600 (OC)
- DDR4-4400 (OC)
- DDR4-4266 (OC)
- DDR4-4133 (OC)
- DDR4-4000 (OC)
- DDR4-3866 (OC)
- DDR4-3733 (OC)
- DDR4-3600 (OC)
- DDR4-3466 (OC)
- DDR4-3400 (OC)
- DDR4-3200
- DDR4-2933
- DDR4-2667
- DDR4-2400
- DDR4-2133
Memory Features
- Dual Channel Memory Architecture
- XMP Support
- ECC Un-buffered DIMM Support
- Non-ECC Un-buffered DIMM Support
Graphics Support
Integrated graphics support available with compatible Ryzen™ APUs.
Video Outputs
- 1 x DisplayPort
- 1 x HDMI Port
Maximum Resolution Support
DisplayPort: Up to 5120 × 2880 @ 60Hz
HDMI: Up to 4096 × 2160 @ 60Hz
Graphics Features
- DisplayPort 1.4 Support
- HDMI 2.1 Support
- HDCP 2.3 Support
- HDR Support
- Maximum Shared Memory: 16 GB
Audio Features
Audio Codec: Realtek® ALC1220
Audio Support
- High Definition Audio
- 2 / 4 / 5.1 / 7.1 Channel Audio
- DSD Audio Support via Line-Out Jack
Networking & Wireless
LAN
- Realtek® Gigabit LAN
Wireless Connectivity
- Realtek® Wi-Fi RTL8821CE
- Wi-Fi 802.11 a/b/g/n/ac
- Dual-Band 2.4GHz / 5GHz
- Bluetooth 5.0
Expansion Slots
CPU Integrated
- 1 x PCIe 4.0 x16 Slot
- Ryzen™ 5000/3000 CPUs support PCIe 4.0 x16
- Ryzen™ G-Series CPUs support PCIe 3.0 x16
Chipset Integrated
- 1 x PCIe 3.0 x16 Slot (x4 mode)
- 1 x PCIe 3.0 x1 Slot
Storage Features
M.2 Slots
CPU M.2 Slot:
- Supports PCIe 4.0 x4/x2 & SATA SSDs
- Supports Type 2280 SSDs
Chipset M.2 Slot:
- Supports PCIe 3.0 x2 & SATA SSDs
- Supports Type 2280 SSDs
SATA Storage
- 4 x SATA 6Gb/s Ports
RAID Support
- RAID 0
- RAID 1
- RAID 10
USB Connectivity
Rear USB Ports
- 4 x USB 3.2 Gen 1 Ports
- 2 x USB 2.0 Ports
Internal USB Headers
- 1 x USB Type-C® Header
- 1 x USB 3.2 Gen 1 Header
- 1 x USB 2.0 Header
Internal I/O Connectors
- 1 x 24-pin ATX Power Connector
- 1 x 8-pin CPU Power Connector
- 1 x CPU Fan Header
- 2 x System Fan Headers
- 2 x M.2 Slots
- 4 x SATA Ports
- 2 x Addressable RGB Headers
- 2 x RGB LED Headers
- 1 x Front Panel Header
- 1 x Front Panel Audio Header
- 1 x TPM Header
- 1 x Serial Port Header
- 1 x Clear CMOS Jumper
- 1 x Q-Flash Plus Button
Back Panel Ports
- 2 x USB 2.0 Ports
- 4 x USB 3.2 Gen 1 Ports
- 1 x PS/2 Keyboard/Mouse Port
- 1 x HDMI Port
- 1 x DisplayPort
- 1 x RJ-45 LAN Port
- 2 x Wi-Fi Antenna Connectors
- 3 x Audio Jacks
RGB & Software Features
RGB Support
- RGB Fusion
- RGB LED Headers
- Addressable RGB Headers
GIGABYTE Utilities
- APP Center
- @BIOS
- EasyTune
- RGB Fusion
- Smart Backup
- System Information Viewer
- Q-Flash
- Q-Flash Plus
Hardware Monitoring Features
- Voltage Detection
- Temperature Detection
- Fan Speed Detection
- Overheating Warning
- Fan Fail Warning
- Smart Fan Speed Control
BIOS Features
- 128 Mbit AMI UEFI BIOS
- ACPI 5.0 Support
- DMI 2.7
- PnP 1.0a
Operating System Support
- Windows® 11 64-bit
- Windows® 10 64-bit
Included Software
- Norton® Internet Security (OEM Version)
- LAN Bandwidth Management Software
Warranty & Important Note
Warranty: 3 Years
*Prices, features, and specifications are subject to change without prior notice.















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