B550M DS3H (Rev. 1.7)

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 and Ryzen™ 3000 G-Series Processors
(Please refer "CPU Support List" for more information.)

AMD B550

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
(Please refer "Memory Support List" for more information.)

Integrated Graphics Processor:
- 1 x DVI-D port, supporting a maximum resolution of 1920x1200@60 Hz

* The DVI-D port does not support D-Sub connection by adapter.

- 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 up to 3 displays at the same time
Maximum shared memory of 16 GB

Realtek^® ALC1220-VB 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^® GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
- AMD Ryzen™ 5000 Series*/3000 Series Processors support PCIe 4.0 x16 mode

* Actual support may vary by AMD CPU's specification.

- AMD Ryzen™ 5000 G-Series/4000 G-Series Processors support PCIe 3.0x16 mode

* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.

1 x PCI Express x16 slot (PCIEX4), integrated in the Chipset:
- Supporting PCIe 3.0 x4 mode
1 x PCI Express x1 slot (PCIEX1), integrated in the Chipset:
- Supporting PCIe 3.0 x1 mode

1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280/22110 SSDs:
- AMD Ryzen™ 5000 Series/3000 Series Processors support SATA and PCIe 4.0x4/x2 SSDs
- AMD Ryzen™ 5000 G-Series/4000 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 SSDs:
- Supporting SATA and PCIe 3.0 x2 SSDs

4 x SATA 6Gb/s connectors, integrated in the Chipset
Support for RAID 0, RAID 1, and RAID 10

CPU:
- 4 x USB 3.2 Gen 1 ports on the back panel
Chipset:
- 2 x USB 3.2 Gen 1 ports available through the internal USB header
- 6 x USB 2.0/1.1 ports (4 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 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

1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x DisplayPort
1 x HDMI port
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
3 x audio jacks

iTE^® I/O Controller Chip

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
Support for Xpress Install

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

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

Micro ATX Form Factor; 24.4cm x 24.4cm