AMD B550 (Ryzen AM4) ATX gaming motherboard with PCIe 4.0, dual M.2, 10 DrMOS power stages, 2.5 Gb Ethernet, HDMI, DisplayPort, SATA 6 Gbps, USB 3.2 Gen 2 Type-A and Type-C, and Aura Sync RGB lighting support
AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ processors
Enhanced power solution: 8+2 DrMOS power stages, ProCool sockets, military-grade TUF components, and Digi+ VRM for maximum durability
Comprehensive cooling: VRM heatsink, PCH fanless heatsink, M.2 heatsink, hybrid fan headers and Fan Xpert 4 utility
Next-gen connectivity: PCIe 4.0 M.2, USB 3.2 Gen 2 Type-A and Type-C support
Made for online gaming: 2.5 Gb Ethernet, M.2 slot (Key E) for Wi-Fi module, TUF LANGuard, and Turbo LAN technology
Realtek S1200A codec: Pristine audio quality with unprecedented 108 dB signal-to-noise ratio for stereo line out and 103 dB SNR for line in
AI noise-canceling microphone: provides crystal-clear in-game voice communication

CPU
Build in AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors *

• Refer to www.asus.com for CPU support list
  
  Chipset
  AMD B550
  
  Memory
  3rd Gen AMD Ryzen™ Processors
  4 x DIMM, Max. 128GB, DDR4 4400(O.C)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory *
  ECC Memory (ECC mode) support varies by CPU.
  
• Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
  
  Graphic
  1 x DisplayPort 1.4 **
  1 x HDMI 2.1(4K@60HZ)
  *Graphics specifications may vary between CPU types.
  **Support DisplayPort 1.4 with max. resolution of 4096 x 2304 @60Hz. Please refer to www.intel.com for any update.
  Multi-GPU Support
  Supports AMD 2-Way CrossFireX Technology
  
  Expansion Slots
  3rd Gen AMD Ryzen™ Processors
  1 x PCIe 4.0 x16 (x16 mode)
  AMD B550 Chipset
  1 x PCIe 3.0 x16 (x4 mode)
  3 x PCIe 3.0 x1 *1
  
• Support PCIe bifurcation for RAID on CPU function.
  
  Storage
  Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports
  3rd Gen AMD Ryzen™ Processors :
  1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
  AMD B550 Chipset :
  1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)2
  6 x SATA 6Gb/s port(s),
  Support Raid 0, 1, 10
  
  LAN
  Realtek RTL8125B 2.5Gb Ethernet
  TUF LANGuard
  
  Wireless Data Network
  M.2 slot only (Key E) (Support PCIe interface)
  *Wi-Fi module is sold separately.
  
  Audio
  Realtek ALC S1200A 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 :
  
• Exclusive DTS Custom for GAMING Headsets.
  
• Optical S/PDIF out port(s) at back panel
  
• Audio cover
  
• Audio Shielding
  
• Dedicated audio PCB layers
  
• Premium Japanese audio capacitors
  
• Unique de-pop circuit
  
  USB Ports
  Rear USB Port ( Total 8 )
  2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)
  4 x USB 3.2 Gen 1 port(s)( x Type-A)
  2 x USB 2.0 port(s)( 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)
  
  Software Features
  ASUS Exclusive Software
  Armoury Crate
  
• Aura Creator
  
• Aura Sync
  
• AI Noise Cancelling Microphone
  AI Suite 3
  
• Performance And Power Saving Utility
  TurboV EVO
  EPU
  Digi+ VRM
  Fan Xpert 2+
  
• EZ update
  TUF GAMING CPU-Z
  AI Charger
  ASUS Turbo LAN
  DAEMON Tools
  DTS Custom for GAMING Headsets
  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
  ASUS Special Features
  ASUS TUF PROTECTION
  
• ASUS DIGI+ VRM (Digital power design with Dr. MOS)
  
• ASUS Enhanced DRAM Overcurrent Protection
  
• ASUS ESD Guards
  
• TUF LANGuard
  
• ASUS Overvoltage Protection
  
• ASUS SafeSlot
  
• ASUS Stainless-Steel Back I/O
  ASUS Q-Design
  
• ASUS Q-DIMM
  
• ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
  
• ASUS Q-Slot
  ASUS Thermal Solution
  
• Aluminum M.2 heatsink
  ASUS EZ DIY
  
• BIOS FlashBack™ button
  
• BIOS FlashBack™ LED
  
• Procool
  AURA Sync
  
• Standard RGB headers
  
• Addressable Gen 2 RGB header
  
  Back I/O Ports
  1 x DisplayPort
  1 x HDMI
  1 x LAN (2.5G) port(s)
  2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C®)
  4 x USB 3.2 Gen 1 (blue) Type-A
  2 x USB 2.0 (one port can be switched to USB BIOS FlashBack™)
  1 x Optical S/PDIF out
  5 x Audio jack(s)
  1 x BIOS FlashBack™ Button(s)
  
  Internal I/O Ports
  1 x CPU Fan connector(s)
  1 x CPU OPT Fan connector(s)
  3 x Chassis Fan connector(s)
  1 x AIO_PUMP connector
  2 x Aura RGB Strip Headers
  1 x Addressable Gen 2 header(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 & PCIe 4.0 x4 mode)
  1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
  1 x M.2 with E key for Wi-Fi module
  1 x SPI TPM header
  6 x SATA 6Gb/s connector(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 Thermal sensor connector(s)
  1 x Clear CMOS jumper(s)
  1 x System panel connector
  1 x COM port header
  
  Accessories
  User's manual
  I/O Shield
  2 x SATA 6Gb/s cable(s)
  1 x Supporting DVD
  1 x TUF Gaming Sticker
  1 x TUF Certification card(s)
  1 x M.2 SSD screw package(s)
  1 x M.2 Rubber Package(s)
  
  BIOS
  256 Mb Flash ROM, UEFI AMI BIOS
  
  Manageability
  WOL by PXE
  
  Operating System
  Windows® 10 64-bit
  
  Form Factor
  ATX Form Factor
  12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
  
  Note
  *1 PCIE 3.0 X16_2 runs x1 mode when any of the PCIe 3.0 x1 slots is occupied.
  *2 M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.