GIGABYTE B550M-DS3H-AC R2 micro-ATX Motherboard

CPU

AMD Socket AM4, support for: AMD Ryzen™ 5000 G-Series / 5000 Series / 4000 G-Series / 3000 G-Series / 3000 Series Processors (Visit GIGABYTE's website for latest CPU support list.)

Chipset

AMD B550

Memory

4 x DDR4 DIMM sockets, up to 128 GB (32 GB single DIMM)
Supports 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
Dual channel architecture
Supports ECC & non-ECC Un-buffered DIMMs
Supports Extreme Memory Profile (XMP) modules

Onboard Graphics

Integrated AMD Radeon™ Graphics
1 x DisplayPort (5120x2880@60Hz), DisplayPort 1.4, HDCP 2.3, HDR
1 x HDMI (4096x2160@60Hz), HDMI 2.1, HDCP 2.3, HDR
Graphics specifications vary by CPU
Max shared memory: 16 GB

Audio

Realtek® ALC1220 CODEC
High Definition Audio, DSD support on back panel line out
2/4/5.1/7.1-channel support (configurable via software)

LAN

Realtek® GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

Wireless Communication

Realtek® Wi-Fi RTL8821CE
Wi-Fi 802.11 a/b/g/n/ac, 2.4/5 GHz Dual-Band
Bluetooth 5.0
Supports 11ac wireless standard

Expansion Slots

1 x PCI Express x16 (CPU):
• Ryzen™ 5000/3000 Series: PCIe 4.0 x16
• Ryzen™ 5000 G/4000 G/3000 G Series: PCIe 3.0 x16
Only supports graphics card or NVMe SSD

Chipset:
• 1 x PCIe x16 (x4 mode)
• 1 x PCIe x1 (x1 mode), both PCIe 3.0

Storage Interface

1 x M.2 (M2A_CPU):
• Ryzen™ 5000/3000 Series: PCIe 4.0 x4/x2 & SATA
• Ryzen™ 5000 G/4000 G/3000 G: PCIe 3.0 x4/x2 & SATA
1 x M.2 (M2B_SB): PCIe 3.0 x2 & SATA
4 x SATA 6Gb/s connectors
Supports RAID 0, 1, 10 (NVMe & SATA)

USB

CPU: 4 x USB 3.2 Gen 1 (rear)
Chipset: 1 x USB Type-C (USB 3.2 Gen 1, internal), 2 x USB 3.2 Gen 1 (internal), 4 x USB 2.0/1.1 (2 rear, 2 internal)

Internal I/O Connectors

24-pin ATX main power, 8-pin ATX 12V, CPU fan, 2 system fan headers, 2 addressable LED headers, 2 RGB LED headers, 1 CPU cooler LED header, 2 x M.2 connectors, 4 x SATA 6Gb/s, front panel, front audio, USB Type-C header, USB 3.2 Gen 1 header, USB 2.0 header, TPM header, serial port header, Clear CMOS jumper, Q-Flash Plus button

Back Panel Connectors

2 x USB 2.0/1.1, 1 x PS/2 keyboard/mouse, 1 x HDMI, 1 x DisplayPort, 4 x USB 3.2 Gen 1, 1 x RJ-45, 2 x antenna connectors, 3 x audio jacks (Support may vary by CPU)

I/O Controller

iTE® I/O Controller Chip

H/W Monitoring

Voltage, temperature, and fan speed detection
Overheating and fan fail warnings
Fan speed control (depends on fan type)

BIOS

1 x 128 Mbit flash, AMI UEFI BIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features

GIGABYTE APP Center support: @BIOS, EasyTune, RGB Fusion, Smart Backup, System Information Viewer
Support for Q-Flash & Q-Flash Plus

Bundled Software

Norton® Internet Security (OEM)
LAN Bandwidth Management Software

Operating System

Windows 11 64-bit / Windows 10 64-bit

Form Factor

Micro ATX; 24.4 cm x 24.4 cm