The Gigabyte B550M DS3H AC is a Micro ATX motherboard designed for AMD Ryzen processors with Socket AM4 support. It features 4 x DDR4 DIMM sockets and supports up to 128 GB of system memory (with a single DIMM capacity of 32 GB). The board includes:

Display

• No dedicated display outputs listed

Performance

• CPU: AMD Socket AM4 support for Ryzen processors
• Chipset: AMD B550

Storage

• 1 x M.2 connector (Socket 3)
• 4 x SATA III ports
• RAID modes supported: RAID 0/1/10

Connectivity

• LAN: Realtek GbE LAN chip (10/100/1000 Mbit)
• Wireless: Intel Wi-Fi AC 3168 module
• USB:
  • 4 x USB 3.2 Gen 1 ports on the back panel
  • 2 x USB 3.2 Gen 1 ports available through internal header
  • 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through internal header)
• AUDIO: Realtek Audio CODEC

Bundled Software

• Norton Internet Security (OEM version)
• LAN bandwidth management software

The Gigabyte B550M DS3H AC supports Windows 11 and Windows 10 operating systems. It uses a licensed AMI UEFI BIOS with PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, and ACPI 5.0.