Gigabyte B550M DS3H Motherboard

• 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.)

• 1 x DVI-D port, supporting a maximum resolution of 1920×1200@60 Hz
  * The DVI-D port does not support D-Sub connection by adapter.
• 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 up to 3 displays at the same time
Maximum shared memory of 16 GB

• Realtek® Audio CODEC
• High Definition Audio
• 2/4/5.1/7.1-channel

• 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

• AMD Ryzen™ 5000 Series/3000 Series Processors support SATA and PCIe 4.0 x4/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 x4/x2 SSDs

4 x SATA 6Gb/s connectors, integrated in the Chipset:

• Support for RAID 0, RAID 1, and RAID 10

• 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 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 (2×6 pin, for the GC-TPM2.0_S module only)
• 1 x Clear CMOS jumpe

• 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

• Voltage detection
• Temperature detection
• Fan speed detection
• Fan fail warning
• Fan speed control

* Whether the fan speed control function is supported will depend on the cooler 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
Smart Backup
System Information Viewer

• 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

• Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors’ website or 3rd party website.
• Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP. If drivers are available from the vendors, we will update them on the GIGABYTE website.