• AMD AM4 Socket for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors 
  

• AMD B550
  

• 4 x DIMM, Max. 128GB
  
• DDR4 4866(O.C) / 4800(O.C.) / 4600(O.C) / 4466(O.C.) / 4400(O.C) / 4333(O.C.) / 4266(O.C.) / 4200(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133 MHz Un-buffered Memory
• Dual Channel Memory Architecture
• ECC Memory (ECC mode) support varies by CPU.

• 1 x D-Sub
  
• 1 x DVI-D
• 1 x HDMI 2.1(4K@60HZ)

• Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC
  
• Supports
  Jack-detection
  Multi-streaming
  Front Panel Jack-retasking, up to 24-Bit/192kHz playback
• Audio Feature
  LED-illuminated design
  Audio Shielding
  Dedicated audio PCB layers
  Premium Japanese audio capacitors
  * Choose the chassis with HD audio module in front panel to support 8-channel audio output.

• Realtek RTL8111H 1Gb Ethernet

• None

AMD Ryzen 5000 Series/ 3000 Series Desktop Processors

• 1 x PCIe 4.0 x16 (x16 mode)

AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors

• 1 x PCIe 3.0 x16 (x16 mode)

AMD B550 Chipset

• 2 x PCIe 3.0 x1

• N/A

Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports

AMD Ryzen 5000 Series/ 3000 Series Desktop Processors

• 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes) storage devices support

AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors

• 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support

AMD B550 Chipset

• 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
• 4 x SATA 6Gb/s port(s),
• Support Raid 0, 1, 10

Rear USB Port ( Total 6  )

• 2 x USB 3.2 Gen 2 port(s)(2 x Type-A)
• 4 x USB 3.2 Gen 1 port(s)(4 x Type-A)

Front USB Port ( Total 6  )

• 2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
• 4 x USB 2.0 port(s)(4 x Type-A)

• 1 x CPU Fan connector(s)
  
• 2 x Chassis Fan connector(s)
• 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
• 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
• 1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode)
• 1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)
• 1 x SPI TPM header
• 4 x SATA 6Gb/s connector(s)
• 1 x S/PDIF out header(s)
• 1 x 24-pin EATX Power connector(s)
• 1 x 8-pin EATX 12V Power connectors
• 1 x Front panel audio connector(s) (AAFP)
• 1 x Clear CMOS jumper(s)
• 1 x System panel connector
• 1 x COM port header
• 1 x Speaker connector

• 1 x PS/2 keyboard/mouse combo port(s)
  
• 1 x DVI-D
• 1 x D-Sub
• 1 x HDMI
• 1 x LAN (RJ45) port(s)
• 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
• 4 x USB 3.2 Gen 1 (blue) Type-A
• 3 x Audio jack(s)

• N/A

• 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.

• 256 Mb Flash ROM, UEFI AMI BIOS
  

• ASUS 5X PROTECTION III
  ASUS DIGI+ VRM
  ASUS LANGuard
  ASUS Overvoltage Protection
  ASUS SafeSlot Core
  ASUS Stainless-Steel Back I/O
• ASUS Q-Design
  ASUS Q-DIMM
  ASUS Q-Slot
• ASUS Thermal Solution
  Aluminum heatsink design
• ASUS Lighting Control
• ASUS Exclusive Software
• Armoury Crate
  Aura Sync
• AI Suite 3
  Performance And Power Saving Utility
• TurboV EVO
• EPU
• Digi+ VRM
• Fan Xpert 2+
  EZ update
• ASUS CPU-Z
• AI Charger
• DAEMON Tools
• Norton Anti-virus software (Free Trial for 60 days)
• WinRAR
• UEFI BIOS
• ASUS EZ DIY
  ASUS CrashFree BIOS 3
  ASUS EZ Flash 3
  ASUS UEFI BIOS EZ Mode

• Driver and software disc

• Windows 10 64-bit

• Micro-ATX Form Factor, 24.4cm x 24.4cm