ASUS Prime B450M-A II AMD B450 Micro ATX AMD Motherboard


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AMD AM4 Socket: Supports Ryzen 5000 CPU, 3rd / 2nd / 1st Gen AMD Ryzen Designed for productivity: USB 3.2 Gen 2 with ultra-fast 10Gbps transfer speed, integrated M.2 support, 4 x DIMMs support up to 128GB DDR4 with 4400 (OC) performance, HDMI 2.0b / DVI / D-Sub Optimized cooling: VRM & PCH heat sink with wide surface area, thermal pads help transfer heat from the inductor and phase range to the heat sink. Flexible fan controls for maximum cooling and peace of mind with the exclusive Asus Xpert 2+ fan Built to last: Full protection with LANGuard, DRAM overcurrent protection, surge protection, SafeSlot Core safeguards and stainless steel back I / O, 1000+ compatible devices, 8000+ hours of validation PC DIY Compatible: With BIOS Flashback and ASUS exclusive UEFI BIOS Excellent Gaming Audio: Dedicated PCB audio layers, premium Japanese audio capacitors, and audio shielding ensure precision analog / digital separation and reduced multilateral interference. Aura Sync RGB & Armory Crate Utility: With ASUS Armory Crate syncing LED effects across a wide range of compatible PC gear, plus RGB LEDs and RGB headers for further customization Make sure your BIOS is up to date if you install a compatible Ryzen 5000 series CPU. Visit the Asus site search for the motherboard model name, click the "Support" tab, drivers and tools, then BIOS and Firmware to download the latest BIOS.


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AMD B450 (Ryzen AM4) micro ATX motherboard with M.2 support, HDMI/DVI-D/D-Sub, SATA 6 Gbps, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A, BIOS FlashBack™, and Aura Sync RGB lighting support
  • Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
  • Ultrafast connectivity: M.2 support, 1 Gb Ethernet, and USB 3.2 Gen 2 Type-A
  • 5X Protection III: Multiple hardware safeguards for all-around system protection
  • Aura Sync RGB Lighting: Onboard connector for RGB LED strips, easily synced with an ever-growing portfolio of Aura Sync-capable hardware
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  1. BIOS FlashBack™
    button
  2. D-Sub
  3. DVI-D
  4. HDMI
  5. PS/2
  6. 2 x USB 3.2 Gen 1
  7. 2 x USB 3.2 Gen 2
  8. Realtek LAN
  9. 2 x USB 3.2 Gen 1
  1. 3 x Audio jacks
  2. PCIe 3.0 x16
    • ASUS SafeSlot Core
  3. Audio Features
    • LED-Illuminated design
    • Audio Shielding
    • Premium Japanese
      Audio Capacitors
    • Dedicated Audio
      PCB Layers
  4. RGB header
  1. DIGI+ VRM & EPU
  2. DDR4 Support
  3. AMD AM4 Socket
  4. 32 Gb/s M.2 support
    PCIe 3.0 x4 & SATA mode
  5. 2 x SATA 6 Gb/s
  6. AMD B450 Chipset
  7. 4 x SATA 6 Gb/s
  8. 2 x Front USB 3.2 Gen 1
  9. 4 x Front USB 2.0
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ASUS Prime B450M II Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. We've melded all the good stuff that's packed into AMD Ryzen™ processors with essential ASUS design and engineering, so you benefit from industry-leading technologies — including automated system tuning, comprehensive cooling controls, and immersive onboard audio. When you build with an ASUS Prime B450M II Series motherboard, you build smart, easy and affordably.

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B450M II motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.