Designed for those seeking to get the most out of their build, ROG Strix B550 Gaming series motherboards offer a feature-set usually found in the higher-end ROG Strix X570 Gaming series, including the latest PCIe® 4.0 connectivity. Offering robust power delivery and effective cooling, ROG Strix B550-A Gaming is well-equipped to handle 3rd Gen AMD Ryzen™ CPUs. As an added bonus, outstanding performance is complemented by a stunning silver-and-white finish and cyberpunk-inspired aesthetics that present a standout look.

Advance Your Gaming Immersion

ROG Strix B550-A Gaming is PCIe® 4.0-ready and provides the latest connectivity options for supersmooth networking and blisteringly fast file transfers. Audio enhancements give you a massive advantage, allowing you to pick up on the subtlest of cues for a completely immersive gaming experience.

Features

• AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
• Best gaming connectivity: PCIe® 4.0-ready, dual M.2, USB 3.2 Gen 2 Type-C® plus HDMI™ 2.1 and DisplayPort 1.2 output support
• Smooth networking: Intel® 2.5Gb Ethernet with ASUS LANGuard
• Robust power solution: Teamed power stages with ProCool power connector, high-quality alloy chokes and durable capacitors
• Renowned software: Intuitive dashboards for UEFI BIOS and ASUS AI Networking make it easy to configure gaming builds
• DIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack™, Q-LEDs and SafeSlot
• Unmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB header and addressable Gen 2 RGB header
• Industry-leading gaming audio: AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS® Sound Unbound™ and Sonic Studio III for immersive audio

Specifications

• CPU
  • AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • * Refer to ASUS for CPU support list
• Chipset: AMD B550
• Memory
  • 4 x DIMM Slots
  • Max. 128GB
  • AMD Ryzen™ 5000 Series / 3000 Series Desktop Processors - up to DDR4 4600(O.C)/3200 MHz Un-buffered Memory
  • AMD Ryzen™ 4000 G-Series Processors - up to DDR4 5100(O.C)/3200 MHz Un-buffered Memory
  • Dual Channel Memory Architecture
  • OptiMem II
  • ECC Memory (ECC mode) support varies by CPU.
  • * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
• Graphics
  • Integrated Graphics Processor
  • 1  x DisplayPort 1.2
  • 1  x HDMI 2.1(4K@60HZ)
  • * Graphics specifications may vary between CPU types. 
• Expansion Slots
  • AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
    • 1 x PCIe 4.0 x16 (x16 mode)
  • AMD RyzenTM 4000 G-Series Processor
    • 1 x PCIe 3.0 x16 (x16 mode)
  • Chipset
    • 1 x PCIe 3.0 x16 (x4 mode)
    • 3 x PCIe 3.0 x1
• Multi-GPU Support: Supports AMD 2-Way CrossFireX Technology
• Storage
  • Total supports 2 x M.2 slots and 6 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 storage devices support (SATA & PCIe 4.0 x4 mode)
  • AMD RyzenTM 4000 G-Series Processor
    • 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
  • Chipset
    • 1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
    • 6 x SATA 6Gb/s port(s)
    • Support Raid 0, 1, 10
• Ethernet: Intel® I225-V 2.5Gb Ethernet with ASUS LANGuard
• USB
  • Rear USB Ports (Total 8)
    • 2 x USB 3.2 Gen 2 ports (1 x Type-A +1 x USB Type-C®)
    • 4 x USB 3.2 Gen 1 Type-A ports
    • 2 x USB 2.0 ports
  • Front USB Ports (Total 6)
    • 2 x USB 3.2 Gen 1 ports
    • 4 x USB 2.0 ports
• Audio
  • ROG SupremeFX 8-Channel High Definition Audio CODEC S1220A
    • Dual OP Amplifiers
    • Impedance sense for front and rear headphone outputs
    • Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking
    • High quality 120 dB SNR stereo playback output and 113 dB SNR recording input
    • Supports up to 32-Bit/192kHz playback *
  • Audio Features
    • SupremeFX Shielding™ Technology
    • Gold-plated jacks
    • Optical S/PDIF in port(s) at back panel
    • Audio Shielding
    • Premium Japanese audio capacitors
    • Audio Cover
  • * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.
• Form Factor: ATX Form Factor (30.5 x 24.4 cm)

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