| General Information | |
| Audio | Realtek® ALC1220 CODEC * The back panel line out jack supports DSD audio. High Definition Audio 2/4/5.1/7.1-channel * You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings. |
| Bundled Software | Norton® Internet Security (OEM version) LAN bandwidth management software |
| CPU | AMD Socket AM4, support for: AMD Ryzen™ 5000 G-Series Processors/ AMD Ryzen™ 5000 Series Processors/ AMD Ryzen™ 4000 G-Series Processors/ AMD Ryzen™ 3000 G-Series Processors/ AMD Ryzen™ 3000 Series Processors Chipset: AMD B550 |
| Expansion Slots | 1 x PCI Express x16 slot (PCIEX16), integrated in the CPU: AMD Ryzen™ 5000/3000 Series Processors support PCIe 4.0 x16 mode AMD Ryzen™ 5000 G/4000 G/3000 G Series Processors support PCIe 3.0×16 mode * The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot. Chipset: – 1 x PCI Express x16 slot (PCIEX4), supporting PCIe 3.0 and running at x4 – 1 x PCI Express x1 slot (PCIEX1), supporting PCIe 3.0 and running at x1 |
| H/W Monitoring | Voltage detection Temperature detection Fan speed detection Overheating warning Fan fail warning Fan speed control * Whether the fan speed control function is supported will depend on the fan you install. |
| I/O Controller | iTE® I/O Controller Chip |
| Internal I/O Connectors | 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 6Gb/s connectors 1 x front panel header 1 x front panel audio header 1 x USB Type-C® header, with USB 3.2 Gen 1 support 1 x USB 3.2 Gen 1 header 1 x USB 2.0/1.1 header 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module 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 (Note) 1 x DisplayPort (Note) 4 x USB 3.2 Gen 1 ports 1 x RJ-45 port 2 x antenna connectors 3 x audio jacks (Note) Actual support may vary by CPU. |
| LAN | Realtek® GbE LAN chip (1 Gbps/100 Gbps/10 Mbps) |
| Memory | 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity)of system memory Support for 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 memory modules Dual channel memory architecture Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules |
| Onboard Graphics | Integrated Graphics Processor with AMD Radeon™ Graphics support: – 1 x DisplayPort, supporting a maximum resolution of 5120×2880@60 Hz * Support for DisplayPort 1.4 version, HDCP 2.3, and HDR. – 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz * Support for HDMI 2.1 version, HDCP 2.3, and HDR. ** Support for native HDMI 2.1 TMDS compatible ports. (Graphics specifications may vary depending on CPU support.) Maximum shared memory of 16 GB |
| Operating System | Support for Windows 11 64-bit Support for Windows 10 64-bit |
| Storage Interface | 1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs: AMD Ryzen™ 5000/3000 Series Processors support SATA and PCIe 4.0×4/x2 SSDs AMD Ryzen™ 5000 G/4000 G/3000 G Series Processors support SATA and PCIe 3.0 x4/x2 SSDs 1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 SATA and PCIe 3.0 x2 SSDs 4 x SATA 6Gb/s connectors RAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devices RAID 0, RAID 1, and RAID 10 support for SATA storage devices |
| Unique Features | Support for APP Center * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications. – @BIOS – EasyTune – RGB Fusion – Smart Backup – System Information Viewer Support for Q-Flash Plus Support for Q-Flash |
| USB | CPU: – 4 x USB 3.2 Gen 1 ports on the back panel Chipset: – 1 x USB Type-C® port with USB 3.2 Gen 1 support, available through the internal USB header – 2 x USB 3.2 Gen 1 ports available through the internal USB header – 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through the internal USB header) |
| Wireless Communication module | Realtek® Wi-Fi RTL8821CE – WIFI 802.11 a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band – BLUETOOTH 5.0 – Support for 11ac wireless standard (Actual data rate may vary depending on environment and equipment.) |
| Main Features | |
| BIOS | 1 x 128 Mbit flash Use of licensed AMI UEFI BIOS PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0 |
| Form Factor | Micro ATX Form Factor; 24.4cm x 24.4cm |
| Warranty Information | |
| Warranty | 3 years |
GIGABYTE AMD B550M DS3H AC R2 Motherboard
The GIGABYTE AMD B550M DS3H AC R2 Motherboard is a compact Micro ATX board designed for gamers, PC builders, and content creators seeking reliable performance, connectivity, and expandability. Built on the AMD B550 chipset with an AM4 socket, it supports AMD Ryzen™ 5000, 4000 G-Series, and 3000 Series processors, delivering powerful computing for gaming, multitasking, and creative applications. The motherboard features four DDR4 DIMM slots supporting up to 128 GB memory, with speeds up to 4733(O.C.) MT/s, dual-channel architecture, and XMP profiles for optimized performance. Integrated graphics support includes DisplayPort 1.4 (5120×2880@60 Hz) and HDMI 2.1 (4096×2160@60 Hz), while the Realtek® ALC1220 codec provides immersive 7.1-channel high-definition audio. Networking combines Realtek® GbE LAN and Realtek® Wi-Fi 802.11ac with Bluetooth 5.0, offering stable wired and wireless connections. Storage options include two M.2 connectors (PCIe 4.0/3.0) and four SATA 6Gb/s ports with RAID 0, 1, and 10 support, ensuring fast and flexible storage solutions. Expansion slots feature PCIe 4.0 x16, PCIe 3.0 x16 (x4 mode), and PCIe 3.0 x1 for graphics cards and additional components. Connectivity includes USB 3.2 Gen 1, USB Type-C®, and USB 2.0 ports on both the back panel and internal headers.
Crystal-Clear Visuals and Fast Memory
The B550M DS3H AC R2 delivers sharp 4K visuals via DisplayPort 1.4 and HDMI 2.1, while supporting DDR4 memory up to 128 GB for high-speed gaming and multitasking.
Reliable Connectivity and Storage
Dual M.2 slots and four SATA ports with RAID support offer versatile storage solutions, while USB 3.2 Gen 1 and Type-C® ports provide flexible peripheral connections.
Advanced Audio and Networking
Equipped with Wi-Fi 802.11ac, Bluetooth 5.0, and Realtek® GbE LAN, the motherboard ensures stable connectivity. The Realtek® ALC1220 codec delivers rich 7.1-channel HD audio for immersive experiences.
Why Choose GIGABYTE AMD B550M DS3H AC R2?
- Supports AMD Ryzen™ 5000/4000/3000 Series processors
- High-speed DDR4 memory up to 128 GB with XMP support
- Dual M.2 slots and four SATA ports with RAID 0/1/10 support
- 4K-ready DisplayPort 1.4 and HDMI 2.1 graphics output
- Wi-Fi 802.11ac, Bluetooth 5.0, and Realtek® GbE LAN connectivity
- 7.1-channel HD audio with Realtek® ALC1220 codec
- Customizable RGB lighting and advanced cooling options
- Micro ATX form factor for compact and reliable builds






