GIGABYTE AMD # B550M DS3H AC R2, Socket AM4, 4 x DDR4 DIMM, 4 x SATA 6Gb/s

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

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

Integrated Graphics Processor with AMD Radeon™ Graphics support:
- 1 x DisplayPort, supporting a maximum resolution of 5120x2880@60 Hz

* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.

- 1 x HDMI port, supporting a maximum resolution of 4096x2160@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

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.

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.)

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 3.0x16 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

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 4.0x4/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

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)

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 (2x6 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

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.

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.

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

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

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

Support for Windows 11 64-bit
Support for Windows 10 64-bit