Gigabyte B550M DS3H AC R2 M-ATX AM4 DDR4 Gaming Motherboard
| Specification Group | AMD B550 Micro ATX Motherboard Details |
|---|---|
| CPU & Chipset | Processor Socket: AMD Socket AM4 Supported Processors: – AMD Ryzen™ 5000 Series / 5000 G-Series Processors – AMD Ryzen™ 4000 G-Series Processors – AMD Ryzen™ 3000 Series / 3000 G-Series Processors Chipset: AMD B550 |
| Memory Support | Capacity & Sockets: 4 × DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) Architecture: Dual-channel memory architecture Supported Data Rates: DDR4 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MT/s Supported Module Types: ECC Un-buffered DIMM 1Rx8/2Rx8, non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16, Extreme Memory Profile (XMP) *CPU and memory configuration may affect supported memory types, data rate, and module count. |
| Graphics & Audio | Onboard Graphics: Integrated Graphics Processor with AMD Radeon™ Graphics support – 1 × DisplayPort 1.4 (Max 5120 × 2880 @ 60 Hz, HDCP 2.3, HDR) – 1 × HDMI 2.1 (Max 4096 × 2160 @ 60 Hz, HDCP 2.3, HDR, native TMDS compatible) Maximum Shared Memory: 16 GB *Graphics specifications may vary depending on CPU support. Audio Hardware: Realtek® ALC1220 CODEC (Back panel line-out jack supports DSD audio), High Definition Audio, 2/4/5.1/7.1-channel |
| LAN & Wireless | Wired LAN: Realtek® GbE LAN chip (1 Gbps / 100 Mbps / 10 Mbps) Wireless & Bluetooth: Realtek® Wi-Fi RTL8821CE – Wi-Fi 802.11 a/b/g/n/ac (2.4/5 GHz Dual-Band, supports 11ac standard) – Bluetooth 5.0 *Actual data rate may vary depending on environment and equipment. |
| Expansion Slots | CPU Integrated Slot: – 1 × PCIe x16 slot (PCIEX16) • AMD Ryzen™ 5000/3000 Series: PCIe 4.0 x16 mode • AMD Ryzen™ 5000 G/4000 G/3000 G Series: PCIe 3.0 x16 mode *PCIEX16 supports a graphics card or NVMe SSD only. Install single GPU in PCIEX16. Chipset Slots: |
| Storage Support | M.2 Connectors: – 1 × M.2 (M2A_CPU, CPU Source): Socket 3, M key, type 2280 SSDs • Ryzen™ 5000/3000 Series: SATA & PCIe 4.0 x4/x2 SSDs • Ryzen™ 5000 G/4000 G/3000 G Series: SATA & PCIe 3.0 x4/x2 SSDs – 1 × M.2 (M2B_SB, Chipset Source): Socket 3, M key, type 2280 SATA & PCIe 3.0 x2 SSDs SATA Ports: 4 × SATA 6Gb/s connectors |
| USB Connectivity | CPU Ports: 4 × USB 3.2 Gen 1 ports on the back panel Chipset Ports: – 1 × USB Type-C® port with USB 3.2 Gen 1 support (internal header) – 2 × USB 3.2 Gen 1 ports via internal header – 4 × USB 2.0/1.1 ports (2 ports on back panel, 2 ports via internal header) |
| Internal I/O Headers | – Power: 1 × 24-pin ATX main power, 1 × 8-pin ATX 12V power – Fan & Cooling: 1 × CPU fan header, 2 × system fan headers – Lighting: 2 × addressable LED strip headers, 2 × RGB LED strip headers, 1 × CPU cooler LED strip / RGB LED strip header – Storage: 2 × M.2 Socket 3 connectors, 4 × SATA 6Gb/s connectors – USB Headers: 1 × USB Type-C® (USB 3.2 Gen 1), 1 × USB 3.2 Gen 1 header, 1 × USB 2.0/1.1 header – Front Panel & Audio: 1 × front panel header, 1 × front panel audio header – Controls & Misc: 1 × Trusted Platform Module (TPM) header (2×6 pin, for GC-TPM2.0_S module only), 1 × serial port header, 1 × Clear CMOS jumper, 1 × Q-Flash Plus button |
| Back Panel Ports | 2 × USB 2.0/1.1 ports | 1 × PS/2 keyboard/mouse port | 1 × HDMI port* | 1 × DisplayPort* | 4 × USB 3.2 Gen 1 ports | 1 × RJ-45 LAN port | 2 × Antenna connectors | 3 × Audio jacks *Display output support varies by CPU. |
| System & BIOS | I/O Controller: iTE® I/O Controller Chip Hardware Monitoring: Voltage detection, Temperature detection, Fan speed detection, Overheating warning, Fan fail warning, Fan speed control (depends on fan installed) BIOS Specifications: 1 × 128 Mbit flash, licensed AMI UEFI BIOS, PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0 |
| Software & Physical | Unique Features: APP Center (@BIOS, EasyTune, RGB Fusion, Smart Backup, System Information Viewer), Support for Q-Flash Plus, Support for Q-Flash Bundled Software: Norton® Internet Security (OEM version), LAN bandwidth management software Supported Operating Systems: Windows 11 64-bit, Windows 10 64-bit Form Factor: Micro ATX Form Factor (24.4 cm × 24.4 cm) |





