Powered by Ryzen 5000 and 3rd Gen AMD® Ryzen™ processors, the ASUS Prime B450M-A II motherboard offers a solid foundation for your first build. It features a robust power design, automated system tuning, comprehensive cooling controls, and immersive onboard audio, providing the flexibility to grow with your ambitions.

About this item
  • AMD AM4 Socket : Compatible to Ryzen 5000, 3rd/2nd/1st Gen AMD Ryzen CPUs.Operating System : Windows 10 64-bit. Windows 7 64-bit
  • Designed for Productivity: USB 3.2 Gen 2 with 10Gbps ultra-fast transfer speed, onboard M.2 support, 4xDIMMs support up to 128GB DDR4 with 4400 (O.C.) performance, HDMI 2.0b/DVI/D-Sub
  • Optimized Cooling: VRM and PCH heatsink with extensive surface, thermal pads help transfer heat from the inductor and phase array to the heatsink. Flexible fan controls for ultimate cooling and quietness with ASUS exclusive Fan Xpert 2 plus
  • Built to Last: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O, 1000 plus compatible devices, 8000 plus Validation Hours


Key Features

  1. AMD AM4 Socket:

    • The ASUS Prime B550M-A II supports AMD Ryzen 5000 series, 4000 G-Series, and 3000 series processors. This compatibility ensures you can take advantage of the latest advancements in CPU technology, providing excellent performance for gaming, multitasking, and intensive applications.
  2. PCIe 4.0 Ready:

    • Featuring PCIe 4.0 support, this motherboard delivers double the bandwidth compared to PCIe 3.0. This allows for faster data transfer speeds, making it ideal for high-end graphics cards and NVMe SSDs, thus enhancing gaming performance and load times.
  3. Enhanced Power Solution:

    • The motherboard is equipped with enhanced power solutions, including 8+1 DrMOS power stages, alloy chokes, and durable capacitors. This ensures stable power delivery to the CPU, even under heavy loads, promoting better performance and longevity of your components.
  4. Comprehensive Cooling:

    • ASUS Prime B550M-A II includes multiple cooling solutions, such as VRM heatsinks, PCH heatsinks, and hybrid fan headers. These features help maintain optimal temperatures, ensuring your system runs smoothly and efficiently even during intense tasks.
  5. Ultra-Fast Connectivity:

    • With dual M.2 slots (one with PCIe 4.0 support), six SATA 6Gbps ports, and USB 3.2 Gen 2 ports, this motherboard offers ultra-fast connectivity options for all your storage and peripheral needs. This makes it easier to transfer large files, connect external drives, and utilize high-speed devices.
  6. Aura Sync RGB Lighting:

    • Customize your build with ASUS Aura Sync RGB lighting. The motherboard features RGB headers and Gen 2 addressable RGB headers, allowing you to synchronize lighting effects with other compatible devices, adding a personal touch to your rig.
  7. 5X Protection III:

    • ASUS’s 5X Protection III includes safeguards such as LANGuard, Overvoltage Protection, and SafeSlot Core, providing comprehensive protection for your motherboard. These features ensure durability and reliability, giving you peace of mind.

Practical Applications

  • Gaming:

    • The ASUS Prime B550M-A II’s PCIe 4.0 support, enhanced power delivery, and robust cooling solutions make it an excellent choice for gaming. Enjoy smoother gameplay, faster load times, and the ability to handle the latest AAA titles with ease.
  • Content Creation:

    • For content creators, the motherboard’s support for high-speed storage and reliable power delivery ensures that video editing, 3D rendering, and other intensive tasks are performed efficiently. The comprehensive connectivity options also allow for seamless integration of peripherals.
  • Everyday Use:

    • For everyday computing, the motherboard offers stability and performance for tasks such as web browsing, office applications, and media consumption. Its durability and protective features make it a reliable choice for any user.