• AMD Socket AM4, support for: AMD Ryzen 5000 Series / Ryzen 5000 G-Series / Ryzen 4000 G-Series and Ryzen 3000 Series Processors
  

• AMD B550
  

• 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
  
• Support for DDR4 5400(O.C.) / 5300(O.C.) / 5200(O.C.) / 5100(O.C.) / 4800(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

Integrated in the New Generation AMD Ryzen with Radeon Graphics processors

• 1x HDMI port, supporting a maximum resolution of 4096x2160@30 Hz
  * Support for HDMI 2.1 version, HDCP 2.3, and HDR

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
  
• Support for S/PDIF Out
  

• Realtek 2.5GbE LAN chip (2.5 Gbit/1 Gbit/100 Mbit)

• None

• AMD Ryzen 5000 Series and Ryzen 3000 Series Processors support PCIe 4.0 x16 mode
  
• 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.

• Supporting PCIe 3.0 x4 mode
  * The M2B_SB connector shares bandwidth with the PCIEX4 slot. The PCIEX4 slot will become unavailable when an SSD is installed in the M2B_SB connectors.

• Supporting PCIe 3.0 x2 mode
  * The PCIEX2 slot shares bandwidth with the SATA3 4, 5 connectors. The PCIEX2 slot will become unavailable when a device is installed in the SATA3 4 or SATA3 5 connector.

• None

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 Ryzen 5000 G-Series and Ryzen 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 2242/2260/2280/22110 SSDs:

• support PCIe 3.0 x4/x2 SSDs

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

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

CPU

• 2 x USB 3.2 Gen 1 ports on the back panel
• 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel

Chipset

• 1 x USB Type-C port on the back panel, with USB 3.2 Gen 2 support
• 1 x USB Type-C port with USB 3.2 Gen 1 support, available through the internal USB header
• 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
• 2 x USB 3.2 Gen 1 ports available through the internal USB header
• 2 x USB 2.0/1.1 ports on the back panel

Chipset+2 USB 2.0 Hubs

• 8 x USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

• 1 x 24-pin ATX main power connector
  
• 1 x 8-pin ATX 12V power connector
• 2 x M.2 Socket 3 connectors
• 6 x SATA 6Gb/s connectors
• 1 x CPU fan header
• 1 x water cooling CPU fan header
• 4 x system fan headers
• 2 x system fan/water cooling pump headers
• 1 x CPU cooler LED strip/RGB LED strip header
• 2 x addressable LED strip headers
• 2 x RGB LED strip headers
• 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)
• 2 x temperature sensor headers
• 1 x Thunderbolt add-in card connector
• 1 x Clear CMOS jumper
  ＊ All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.

• 1 x HDMI port
  
• 2 x USB 3.2 Gen 1 ports
• 1 x USB Type-C port, with USB 3.2 Gen 2 support
• 2 x USB 3.2 Gen 2 Type-A ports (red)
• 6 x USB 2.0/1.1 ports
• 1 x Q-Flash Plus button
• 1 x RJ-45 port
• 1 x optical S/PDIF Out connector
• 5 x audio jacks

• iTE I/O Controller Chip

• Voltage detection
• Temperature detection
• Fan speed detection
• Water cooling flow rate detection
• Overheating warning
• Fan fail warning
• Fan speed control
  * Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.
  

• 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 5.0

• 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
  Fast 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 Install
  

• Norton Internet Security (OEM version)
• XSplit Gamecaster + Broadcaster (12 months license)
• Realtek 8125 Gaming LAN Bandwidth Control Utility

• Support for Windows 10 64-bit

• ATX Form Factor, 30.5cm x 24.4cm