ModelBrandGIGABYTEModelB550M DS3H ACSupported CPUCPU Socket TypeAM4CPU TypeAMD Socket AM4, support for: AMD Ryzen 5000 Series / 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics ProcessorsChipsetsChipsetAMD B550MemoryNumber of Memory Slots4x288pin (DDR4)Memory Standard3rd Gen AMD Ryzen Processors:
Support for DDR4 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules
3rd Gen AMD Ryzen with Radeon Graphics processors:
Support for DDR4 4733(O.C.)/ 4600(O.C.)/ 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modulesMaximum Memory Supported128GBChannel SupportedDual ChannelExpansion SlotsPCI Express 4.0 x161 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
3rd Generation AMD Ryzen processors support PCIe 4.0 x16 mode
3rd Generation AMD Ryzen with Radeon Graphics 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.PCI Express 3.0 x161 x PCI Express x16 slot (PCIEX4), integrated in the Chipset:
Supporting PCIe 3.0 x4 modePCI Express x11 x PCI Express x1 slot (PCIEX1), integrated in the Chipset:
Supporting PCIe 3.0 x1 modeStorage DevicesSATA 6Gb/s4 x SATA 6Gb/sM.21 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:
3rd Generation AMD Ryzen processors support SATA and PCIe 4.0 x4/x2 SSDs
3rd Generation AMD Ryzen with Radeon Graphics processors support SATA and PCIe 3.0 x4/x2 SSDs1 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 x2 SSDsSATA RAID0/1/10Onboard VideoOnboard Video ChipsetIntegrated in the 3rd Generation AMD Ryzen with Radeon Graphics processors: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 16GBOnboard AudioAudio ChipsetRealtek ALC887Audio Channels2/4/5.1/7.1-channel
* To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings > Playback Device to change the default setting first. Please visit GIGABYTE's website for details on configuring the audio software.Onboard LANLAN ChipsetRealtek GbE LAN chipMax LAN Speed1GbpsWireless LANIntel Wi-Fi AC 3168WIFI 802.11a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band
Support for 11ac wireless standard and up to 433 Mbps data rate
* Actual data rate may vary depending on environment and equipment.BluetoothBLUETOOTH 4.2Rear Panel PortsBack I/O Ports1 x PS/2 keyboard/mouse port
1 x DVI-D port
2 x SMA antenna connectors (1T1R)
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 jacksInternal I/O ConnectorsOnboard USB1 x USB 3.2 Gen 1 header
1 x USB 2.0/1.1 headerOther Connectors1 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
1 x front panel header
1 x front panel audio 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 buttonPhysical SpecForm FactorMicro ATXLED LightingRGBDimensions (W x L)9.6" x 9.6"Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connectorWindows 11 CompatibilityWindows 11SupportedFeaturesFeaturesI/O Controller:
iTE I/O Controller ChipH/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 cooler you install.BIOS:
1 x 256 Mbit flash
Use of licensed AMI UEFI BIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0Unique 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 Boot
Game Boost
ON/OFF Charge
RGB Fusion
Smart Backup
System Information Viewer
Support for Q-Flash Plus
Support for Q-Flash
Support for Xpress InstallBundled Software:
Norton Internet Security (OEM version)
Realtek 8118 Gaming LAN Bandwidth Control UtilityOperating System:
Support for Windows 10 64-bit