Accessories : Motherboards : SKU: ROGSTRIXB550AGAMING


Manufacturer: Asus


UPC: 0192876826607

Thinking of making a large purchase?

Asus ROG Strix B550-A Gaming Motherboard


Free shipping to 48 states


Estimated Delivery with free shipping by:

Monday March 11th*

* If ordered today with free shipping.


  • ROG Strix B550-A Gaming AM4 ATX Motherboard from ASUS
  • Get ample connectivity without skimping on performance
  • Designed for use with CPUs using the AM4 socket, this board features the AMD B550 chipset
  • Install up to 128GB of dual-channel DDR4 RAM across four slots
  • With speeds up to 5100 MHz supported when overclocking
  • Storage drives can be installed using six SATA III connectors or two M.2 slots
  • Up to two graphics cards can be installed using PCIe 4.0 x16 and PCIe 3.0 x16 slots
  • Support for 2-way AMD CrossFireX. Other adapter cards can be installed in three PCIe 3.0 x1 slots
  • PCIe 4.0-Ready
  • ProCool Power Connector
  • DIGI+ Power Control
  • Alloy Chokes and Capacitors
  • Six-Layer PCB
  • Intel 2.5 Gigabit Ethernet
  • Audio-Line Shielding
  • Dual Op-Amps
  • AI Noise-Canceling Microphone

  • Specification

    Audio Channels 8 Channels
    Audio Chipset ROG SupremeFX High Definition Audio CODEC S1220A
    Buffer Supported Un-buffered
    ECC Supported ECC Memory (ECC mode) support varies by CPU.
    Form Factor ATX
    LED Lighting RGB
    Max LAN Speed 10/100/1000/2500Mbps
    Maximum Memory Supported 128GB
    Model STRIX B550-A GAMING
    Number of Memory Slots 4×288pin
    Onboard USB 1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
    Onboard USB 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
    PCI Express 3.0 x16 1 x PCIe 3.0 x16
    PCI Express 4.0 x16 1 x PCI Express 4.0 x16
    PCI Express x1 3 x PCIe 3.0 x1
    Power Pin 1 x 24-pin EATX Power connector(s) , 1 x 8-pin ATX 12V Power connector(s)
    Power Pin 1 x 4-pin ATX 12V Power connector(s)
    SATA 6Gb/s 6 x SATA 6Gb/s
    Windows 11 Supported

    In The Box

  • ROG Strix B550-A Gaming Motherboard
  • User's manual
  • 4 x SATA 6Gb/s cable(s)
  • Supporting DVD
  • ROG Strix stickers
  • Cable ties pack(s)
  • Extension cable for Addressable LED
  • ROG Thank you card
  • M.2 SSD screw package(s)
  • M.2 Rubber Package(s)