Gigabyte B550M DS3H R2 AMD AM4 Socket Motherboard

Gigabyte B550 AMD AM4 Socket Motherboard (Micro-ATX)

Experience reliable performance and versatile connectivity with the Gigabyte B550 AMD AM4 Socket Motherboard, designed for AMD Ryzen 5000, 4000, and 3000 Series processors. With optimized power delivery, ultra-fast storage support, and enhanced cooling and lighting control, this micro-ATX board is built to unlock the full potential of your PC.

Key Features

AMD AM4 Compatibility

• Supports AMD Ryzen 5000 G-Series Processors
• Supports AMD Ryzen 5000 Series Processors
• Supports AMD Ryzen 4000 G-Series Processors
• Supports AMD Ryzen 3000 G-Series Processors
• Supports AMD Ryzen 3000 Series Processors

Power Design

• 5+3 phases pure digital VRM solution
• Low RDS(on) MOSFETs for precise and efficient power delivery
• Optimized to support 3rd Gen AMD Ryzen CPUs and deliver enhanced system performance and scalability

Memory

• Dual Channel DDR4 architecture
• 4 x DIMM sockets, up to 128 GB system memory (32 GB per DIMM)
• Supports DDR4 2133–4733 (OC) MT/s memory modules
• Supports ECC and non-ECC Un-buffered DIMM modules (as specified)
• Supports Extreme Memory Profile (XMP)

Performance & Storage

Ultra-Fast Storage

• 2 x M.2 slots, including PCIe 4.0 support
• Dual NVMe PCIe 4.0*/3.0 M.2 connectors (x4 and x2)
• Supports both NVMe and SATA modes for M.2 SSD devices
• Up to 64 Gb/s data transfer speed
• Ideal for high-speed storage and RAID configurations

AMD StoreMI Technology

• Combines SSD speed with HDD capacity into a single drive
• Reduces boot times and enhances overall system responsiveness
• Automatically learns usage patterns to quickly access key files
• Offers SSD-like performance with HDD capacity at an affordable cost

Connectivity & Networking

Expansion Slots

• 1 x PCIe x16 (PCIEX16) from CPU
• Ryzen 5000/3000 Series: PCIe 4.0 x16
• Ryzen 5000 G/4000 G/3000 G Series: PCIe 3.0 x16
• Supports either a graphics card or an NVMe SSD in this slot
• 1 x PCIe x16 (PCIEX4) from chipset, PCIe 3.0 x4
• 1 x PCIe x1 (PCIEX1) from chipset, PCIe 3.0 x1
• PCIe UD Slot design: PCIe 4.0 x16 slot with 10X strength and improved heat dissipation for graphics cards

Networking

• Realtek GbE LAN (1 Gbps/100 Mbps/10 Mbps)
• Bandwidth management software for optimized latency and low ping in busy LAN environments

Display Outputs

• 1 x DisplayPort 1.4
• Max resolution: 5120 x 2880 @ 60 Hz
• HDCP 2.3 and HDR support
• 1 x HDMI 2.1
• Max resolution: 4096 x 2160 @ 60 Hz
• Backwards compatible with HDMI 2.0/1.4
• 48 Gb/s bandwidth, supports 21:9 ratio, Full HDR, HDCP 2.3

Cooling & Thermal Design

Efficient Thermal Solution

• VRM Thermal Armor Advanced for improved cooling around power delivery components

Smart Fan 6

• Multiple fan headers supporting PWM/DC fans and water-cooling pumps
• Up to 24 W (12 V x 2 A) per header with over-current protection
• Precision fan control with multiple temperature and fan-speed points
• Dual curve modes: Slope / Stair for different usage scenarios
• Fan Stop function to completely stop fans below user-defined temperatures

RGB Lighting & Customization

RGB FUSION 2.0

• Onboard RGB and external RGB/Addressable LED strip control
• Supports 5V Addressable LED strips with up to 300 LEDs
• Multiple patterns, effects, and speed settings
• Unified control across compatible motherboards, graphics cards, and peripherals
• Gaming mode enables lighting effects to react to selected games

Audio

• Realtek ALC1220 high-definition audio CODEC
• High-end audio capacitors for high-resolution, high-fidelity sound
• 2/4/5.1/7.1-channel audio support via audio software configuration
• Back panel line-out jack supports DSD audio
• Audio Noise Guard design to isolate sensitive analog audio circuitry

Reliability & Convenience

Ultra Durable Design

• Solid plated ATX 12V 8-pin power connectors for stable power delivery under load

Q-Flash Plus

• BIOS update without installing CPU, memory, or graphics card

Technical Specifications

Memory

Graphics (APU Required)

Audio

LAN

Storage

USB

Internal I/O Headers

• 1 x 24-pin ATX main power connector
• 1 x 8-pin ATX 12V power connector
• 1 x CPU fan header
• 2 x system fan headers
• 2 x addressable LED strip headers
• 2 x RGB LED strip headers
• 1 x CPU cooler LED strip/RGB LED strip header
• 2 x M.2 Socket 3 connectors
• 4 x SATA 6 Gb/s connectors
• 1 x front panel header
• 1 x front panel audio header
• 1 x USB Type-C header (USB 3.2 Gen 1)
• 1 x USB 3.2 Gen 1 header
• 1 x USB 2.0/1.1 header
• 1 x TPM header (2x6 pin, for GC-TPM2.0_S only)
• 1 x serial port header
• 1 x Clear CMOS jumper
• 1 x Q-Flash Plus button

Back Panel Connectors

• 2 x USB 2.0/1.1 ports
• 1 x PS/2 keyboard/mouse port
• 1 x HDMI port
• 1 x DisplayPort
• 4 x USB 3.2 Gen 1 ports
• 1 x RJ-45 LAN port
• 2 x antenna connectors
• 3 x audio jacks

(Actual support may vary by CPU.)

I/O & Monitoring

• iTE I/O Controller chip
• Voltage, temperature, and fan speed detection
• Overheating and fan fail warnings
• Fan speed control (dependent on installed fan type)

BIOS

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

Software & OS Support

Unique Features (APP Center)

• @BIOS
• EasyTune
• RGB Fusion
• Smart Backup
• System Information Viewer

(Availability may vary by motherboard model and specifications.)

Firmware & Utility Support

• Q-Flash Plus
• Q-Flash

Bundled Software

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

Operating Systems

• Windows 11 64-bit
• Windows 10 64-bit