B550 UD AC (rev. 1.2)
Specification
AMD B550 Chipset
- CPUCPU
- 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
- ChipsetChipset
- AMD B550
- MemoryMemory
- 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 MHz memory modules
- Dual channel memory architecture
- Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*
* ECC memory (ECC mode) support varies by CPU - Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
- Support for Extreme Memory Profile (XMP) memory modules
- Onboard GraphicsOnboard GraphicsIntegrated Graphics Processor with AMD Radeon™ Graphics support:
- 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
(Graphics specifications may vary depending on CPU support.)
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Maximum shared memory of 16 GB - 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
- AudioAudio
- 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.
- LANLAN
- Realtek® GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)
- Wireless Communication moduleWireless Communication moduleAzureWave Wi-Fi AW-CB304NF (Realtek® RTL8821CE)
- WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
- BLUETOOTH 5.0
- Support for 11ac wireless standard and up to 433 Gbps data rate
* Actual data rate may vary depending on environment and equipment.
- Expansion SlotsExpansion Slots1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
- AMD Ryzen™ 5000 Series* Processors/AMD Ryzen™ 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/3000 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.
- Supporting PCIe 3.0 x1 mode
- AMD Ryzen™ 5000 Series* Processors/AMD Ryzen™ 3000 Series Processors support PCIe 4.0 x16 mode
- Storage InterfaceStorage Interface1 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/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
- Supporting SATA and PCIe 3.0 x4/x2 SSDs
- Support for RAID 0, RAID 1, and RAID 10
- USBUSBCPU:
- AMD Ryzen™ 5000 Series/3000 Series Processors support one USB 3.2 Gen 2 Type-A port (red) on the back panel
- AMD Ryzen™ 5000 G-Series/4000 G-Series/3000 G-Series Processors support one USB 3.2 Gen 1 port (red) on the back panel
- 1 x USB Type-C® port on the back panel, with USB 3.2 Gen 1 support
- 2 x USB 3.2 Gen 1 ports on the back panel
- 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 available through the internal USB headers
- 4 x USB 2.0/1.1 ports on the back panel
- Internal I/O ConnectorsInternal I/O Connectors
- 1 x 24-pin ATX main power connector
- 1 x 8-pin ATX 12V power connector
- 1 x CPU fan header
- 1 x water cooling CPU fan header
- 3 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® port, with USB 3.2 Gen 1 support
- 1 x USB 3.2 Gen 1 header
- 2 x USB 2.0/1.1 headers
- 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
- 1 x Clear CMOS jumper
- Back Panel ConnectorsBack Panel Connectors
- 4 x USB 2.0/1.1 ports
- 2 x SMA antenna connectors (1T1R)
- 1 x HDMI port
- 1 x USB 3.2 Gen 2 Type-A*/USB 3.2 Gen 1 port (red)
* For AMD Ryzen™ 5000 Series/3000 Series Processors only. - 1 x USB Type-C® port, with USB 3.2 Gen 1 support
- 1 x Q-Flash Plus button
- 1 x RJ-45 port
- 2 x USB 3.2 Gen 1 ports
- 3 x audio jacks
- I/O ControllerI/O Controller
- iTE® I/O Controller Chip
- H/W MonitoringH/W Monitoring
- Voltage detection
- Temperature detection
- Fan speed detection
- Water cooling flow rate detection
- Fan fail warning
- Fan speed control
* Whether the fan speed control function is supported will depend on the cooler you install.
- BIOSBIOS
- 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 FeaturesUnique 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 APP Center
- Bundled SoftwareBundled Software
- Norton® Internet Security (OEM version)
- LAN bandwidth management software
- Operating SystemOperating System
- Support for Windows 11 64-bit
- Support for Windows 10 64-bit
- Form FactorForm Factor
- ATX Form Factor; 30.5cm x 24.4cm
- RemarkRemark
- 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.
* The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
* The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.