B550M DS3H AC

AMD B550 Ultra Durable Motherboard with Pure Digital VRM Solution, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 M.2 Connectors, 802.11ac WIFI, Realtek GbE LAN, Smart Fan 6 with FAN STOP, RGB FUSION 2.0, Q-Flash Plus

Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series/ Ryzen™ 3000 and Ryzen™ 3000 G-Series ProcessorsDual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs6+2 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETsUltra Durable™ PCIe 4.0 Ready x16 SlotDual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 ConnectorsOnboard 802.11ac Wireless & BT 4.2 with WIFI AntennaHigh Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio QualityRealtek GbE LAN with Bandwidth ManagementRear HDMI, DVI, and DisplayPort SupportRGB FUSION 2.0 Supports Addressable LED & RGB LED StripsSmart Fan 6 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOPQ-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics CardAnti-Sulfur Resistors Design

This MB has several revisions, you can see the differences in the below

CPU

AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series, Ryzen™ 3000 Series and Ryzen™ 3000 G-Series Processors
Socket AM4
(Please refer "CPU Support List" for more information.)

Chipset

AMD B550

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

Onboard Graphics

PCB Rev. 1.7, 1.6, 1.5
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

PCB Rev. 1.4, 1.3, 1.2, 1.1, 1.0
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 HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Maximum shared memory of 16 GB

Audio

PCB Rev. 1.7
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.

PCB Rev. 1.6, 1.5, 1.4, 1.3, 1.2, 1.1, 1.0
Realtek Audio CODEC
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.

LAN

PCB Rev. 1.7, 1.3, 1.2, 1.1, 1.0
Realtek GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

PCB Rev. 1.6, 1.5, 1.4
Realtek GbE LAN chip (1 Gbps/100 Mbps)

Wireless Communication module

PCB Rev. 1.7
AzureWave Wi-Fi AW-CB304NF (Realtek RTL8821CE)
- WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
- BLUETOOTH 4.2
- Support for 11ac wireless standard and up to 433 Gbps data rate

PCB Rev. 1.6
AzureWave Wi-Fi AW-CB375NF (Realtek RTL8822CE)
WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 4.2
Support for 11ac wireless standard and up to 433 Gbps data rate

PCB Rev. 1.5
AzureWave Wi-Fi AW-CB304NF (Realtek RTL8821CE)
WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 4.2
Support for 11ac wireless standard and up to 433 Gbps data rate

PCB Rev. 1.4
Realtek Wi-Fi RTL8821CE
WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 4.2
Support for 11ac wireless standard and up to 433 Gbps data rate

PCB Rev. 1.3, 1.2, 1.1, 1.0
Intel Wi-Fi AC 3168
WIFI 802.11a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 4.2
Support for 11ac wireless standard and up to 433 Mbps data rate
* Actual data rate may vary depending on environment and equipment.

Expansion Slots

PCB Rev. 1.7, 1.4, 1.3, 1.2, 1.1, 1.0
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
AMD Ryzen™ 5000 Series* and Ryzen™ 3000 Series Processors support PCIe 4.0 x16 mode
* Actual support may vary by AMD CPU's specification.
AMD Ryzen™ Ryzen™ 5000 G-Series and Ryzen™ 4000 G-Series Processors support PCIe 3.0 x16 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

PCB Rev. 1.6, 1.5
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 3.0 x16 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 x1 slot (PCIEX1_1), integrated in the Chipset:
Supporting PCIe 3.0 x1 mode
1 x PCI Express x16 slot (PCIEX1_2), integrated in the Chipset:
Supporting PCIe 3.0 x1 mode

Storage Interface

1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:
AMD Ryzen™ 5000 Series and Ryzen™ 3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
AMD Ryzen™ 5000 G-Series/4000 G-Series/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 2242/2260/2280 SSDs:
Supporting SATA and PCIe 3.0 x4/x2 SSDs
4 x SATA 6Gb/s connectors, integrated in the Chipset:
Support for RAID 0, RAID 1, and RAID 10

USB

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)

Internal I/O Connectors

PCB Rev. 1.7
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

PCB Rev. 1.6, 1.5
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 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 Clear CMOS jumper

PCB Rev. 1.4, 1.3, 1.2, 1.1, 1.0
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
*All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.

Back Panel Connectors

PCB Rev. 1.7, 1.6, 1.5
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x DisplayPort
1 x HDMI port
2 x SMA antenna connectors
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

PCB Rev. 1.4, 1.3, 1.2, 1.1, 1.0
1 x PS/2 keyboard/mouse port
1 x DVI-D port
2 x SMA antenna connectors
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

I/O Controller

iTE I/O Controller Chip

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.

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

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
Support for Xpress Install

Bundled Software

Norton Internet Security (OEM version)
LAN bandwidth management software

Operating System

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

Form Factor

Micro ATX Form Factor; 24.4cm x 24.4cm