Gigabyte B550M DS3H DDR4 Micro-ATX Motherboard

The Gigabyte B550M DS3H is a robust Micro‑ATX motherboard designed to deliver reliable performance and excellent value for users building PCs around AMD Ryzen™ processors. Built on the B550 chipset, it supports 3rd‑Gen Ryzen CPUs—as well as Ryzen 4000/5000 series—with its reinforced power delivery and advanced connectivity

Core Highlights

• Full support for AMD Ryzen™ 5000/4000G/3000G and 3000 series processors, whether CPU-only or with integrated Radeon graphics

• Champion-class power delivery via a 5+3‑phase pure digital VRM utilizing Low RDS(on) MOSFETs—delivering efficient, cool, and precise power, ideal for high-end Ryzen chips

• PCIe 4.0-Ready x16 slot for GPUs and a PCIe 4.0 M.2 slot directly from the CPU-demanding ZEN 3‑class performance

• Dual M.2 connectors: one PCIe 4.0 x4 (CPU lane) and one PCIe 3.0 x2/SATA (chipset)—SSD flexibility and RAID options included

• Next-gen HDMI 2.1 with 48 Gb/s bandwidth, supporting up to 4 K @ 60 Hz, 21:9 aspect ratios, Full HDR, and HDCP 2.3—exclusively when using Ryzen APU CPUs

Power & Performance

• 5+3‑Phase Pure Digital VRM Design with Low RDS(on) MOSFETs ensures precise and efficient power delivery to CPU cores, reducing switching losses and heat

• Ultra Durable™ PCIe 4.0‑Ready x16 Slot caters to the latest generation of GPUs, offering enhanced bandwidth and durability

• Dual PCIe M.2 Slots: One supports blazing-fast PCIe 4.0 x4 (ZEN 3 CPU required), and the other supports PCIe 3.0 x2 or SATA modes via chipset, ideal for RAID and fast storage setups

Reliably Cool & Silent

• Smart Fan 5/6 architecture with three hybrid headers and five thermal sensors, supporting both voltage and PWM fans/pumps. Configurable FAN STOP halts fans below preset temperatures

• Fan-neutral liquid cooling friendly—auto‑detects pump configuration and adapts controls accordingly

Memory & Storage Flexibility

• Quad-channel support for DDR4 RAM—dual-channel via 4 DIMMs supporting ECC or non-ECC modules.

• Overclocked memory compatibility up to DDR4‑4400(O.C.) or even DDR4‑4733(O.C.) depending on CPU

• 4x SATA III ports plus robust M.2 storage setup with RAID support ensures high-speed and high-capacity configurations .

Durable Connectivity

• Realtek Gigabit LAN with built-in bandwidth control to reduce gaming and streaming lag

• Comprehensive I/O: 4× USB 3.2 Gen1, 4× USB 2.0 (plus internal headers), DVI-D, HDMI 2.1 outputs, a PS/2 port, audio jacks, and more .

• (B550M DS3H AC variant) adds Intel dual-band 802.11ac Wi-Fi and Bluetooth 4.2 with external antenna support

Rock-Solid Protection & Build Integrity

• Anti-Sulfur Resistor Design shields PCB resistors from corrosion, boosting long-term reliability—even in harsh environments

• ESD and Surge Shields on LAN and USB ports guard against system damage from electrical spikes

• Solid-pin ATX 24-pin and 8-pin CPU connectors enhance mechanical stability and enduring power delivery

Premium Usability & Aesthetics

• RGB Fusion 2.0 — supports sync with both standard and addressable LED strips for custom lighting setups

• Q‑Flash Plus BIOS updater—flash BIOS with no CPU, RAM, or GPU installed, ideal for root upgrades

• @BIOS Windows utility—update BIOS via Windows GUI or backup/flash BIOS versions easily

• Gigabyte App Center bundles Smart Backup, EasyTune, System Info Viewer, Fast Boot, and Game Boost utilities for convenient system tuning

Who Should Choose the Gigabyte B550M DS3H?

• Budget Gamers – Great for Ryzen 5/7 builds with PCIe 4.0 GPU & SSD support.

• First-Time Builders – Easy BIOS updates (Q-Flash Plus) and beginner-friendly layout.

• Home/Office Users – Stable performance, HDMI 2.1 & DVI for dual displays.

• Upgraders from B450/A320 – DDR4 support, dual M.2, better VRMs & future-ready.

• System Builders/IT Pros – Durable design, broad CPU support, minimal RMA risk.