Asus Prime B650M-A AX II Gaming Desktop Motherboard - AMD B650 Chipset - Socket AM5 - Micro ATX PRIME B650M-A AX II

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ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 7000-series processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B650M-A AX II provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features.


Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B650 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity.

CPU Performance Boost

AMD Precision Boost Overdrive(PBO) pushes the CPU current and voltage budget to opportunistically increase performance. By aggressively tuning the PBO parameters, AMD's algorithm can leverage the motherboard's robust power solution to ramp up performance even higher.

All-Around Energy Efficiency

The Power Saving function contains several settings can easily optimize power consumption and maximize energy savings. You can enable a CPU power limit, darken Aura lighting, and set the fan profile to a power saving mode. You can also toggle the Power Saver plan that is built into Microsoft Windows.

Flexible Cooling Controls

ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There's also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.

Precise Digital Power Control

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.


The renowned ASUS UEFI BIOS provides everything you need to configure, tweak and tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans.

Advanced Tuning for Serious Tweakers

An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want.

Quick and Simple Setup

EZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings - all to help you get your rig up and running in no time.

  • Compatible Ryzen 7 processor lets you perform all your computational tasks at a swift pace
  • DDR5 SDRAM slot for convenient installation of memory
  • Enjoy the freedom of wireless connectivity and get the devices connected faster with IEEE 802.11 a/b/g/n/ac/ax wireless standard support
  • HDMI interface connects the top of the line PCs, Blu-ray players, and cutting edge Gaming Controllers
  • Retrieve a significant number of PCI slots, expansion slots, and peripheral ports that have an enhanced heat dissipation capability with the Micro ATX gaming desktop motherboard
. .
  • Environmental Certification : RoHS
  • Environmentally Friendly : Yes
  • Product Model : B650M-A AX II
  • Chipset Manufacturer : AMD
  • Wireless LAN : Yes
  • Number of SATA Interfaces : 8
  • Bluetooth : Yes
  • Processor Supported : Ryzen 7
  • Memory Speed Supported : 6400 MHz,6200 MHz,6000 MHz,5800 MHz,5600 MHz,5400 MHz,5200 MHz,5000 MHz,4800 MHz
  • Number of M.2 Interfaces : 2
  • Controller Type : Serial ATA/600
  • Chipset Model : B650
  • Maximum Memory Supported : 128 GB
  • Total Number of USB Ports : 8
  • S/PDIF : Yes
  • RAID Supported : Yes
  • Form Factor : Micro ATX
  • Memory Technology : DDR5 SDRAM
  • Package Contents :
    • PRIME B650M-A AX II Gaming Desktop Motherboard
    • 2 x SATA 6Gb/s cables
    • 1 x ASUS Wi-Fi moving antennas
    • 1 x I/O Shield
    • 1 x Screw Package for M.2 SSD
    • 1 x User guide
  • Manufacturer Website Address :
  • Audio Channels : 7.1
  • Total Number of Onboard USB Ports : 7
  • HDMI Version : 2.1
  • DisplayPort : Yes
  • Processor Socket : Socket AM5
  • PCI Express Standard : PCI Express 4.0,PCI Express 5.0
  • Manufacturer : ASUS Computer International
  • Bluetooth Standard : Bluetooth 5.2
  • RAID Levels : 0,1,10
  • 2.5Gigabit Ethernet : Yes
  • Wireless LAN Standard : IEEE 802.11 a/b/g/n/ac/ax
  • Number of Memory Slots : 4
  • Number of PCI Express x16 Slots : 4
  • Memory Form Factor : DIMM,UDIMM
  • Limited Warranty : 3 Year
  • Total Number of PCI Express Slots : 4
  • Number of USB 3.2 Gen 2 Type-A Ports : 2
  • VGA : Yes
  • Product Type : Gaming Desktop Motherboard
  • Total Processor Supported : 1
  • Number of Total Expansion Slots : 4
  • HDMI : Yes
  • Number of Network (RJ-45) Ports : 1
  • Number of USB 3.2 Gen 1 Type-A Ports : 2
  • Product Line : Prime
  • Gigabit Ethernet : Yes
  • Number of Onboard USB 2.0 Ports : 4

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