ASUS Prime B650M A AX II


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Prime Model B650M-A AX II

Manufacturer Part#  PRIMEB650M-AAXII

UPC Code: 197105020481

Provantage Code:  ASUS3WT

Condition:  Factory New

  • Product Type: Gaming Desktop Motherboard
  • Form Factor: Micro ATX
  • Memory Technology: DDR5 SDRAM
  • Total Number of USB Ports: 8
  • Maximum Memory Supported: 128 GB

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ComputingCPU's and MotherboardsMotherboards


ASUS PRIMEB650M-AAXII Specifications

    Prime B650M A AX II

At a Glance

    • AMD AM5 Socket: Ready for AMD Ryzen™ 7000 Series Desktop Processors
    • Ultrafast Connectivity: Wi-Fi 6, M.2 PCIe 5.0, 2.5Gb Ethernet, USB 3.2 Gen 2 ports, front USB 3.2 Gen 1 Type-C®
    • ASUS OptiMem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking
    • Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
    • Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers and Aura RGB header for RGB LED strips, easily synced with Aura Sync-capable hardware
    • CEC Tier II ready


    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.

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

Additional Product Images


Product NamePrime B650M A AX II
Manufacturer Part NumberPRIMEB650M-AAXII
Product TypeGaming Desktop Motherboard
Chipset ManufacturerAMD
Chipset ModelB650
Number of Memory Slots4
Gigabit EthernetYes
Number of SATA Interfaces8
Wireless LAN StandardIEEE 802.11 a/b/g/n/ac/ax
RAID SupportedYes
Number of Total Expansion Slots4
Number of PCI Express x16 Slots4
Total Number of USB Ports8
Total Number of Onboard USB Ports7
Total Number of PCI Express Slots4
Memory Form FactorDIMM


Number of M.2 Interfaces2
2.5Gigabit EthernetYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
Memory TechnologyDDR5 SDRAM
Processor SocketSocket AM5
Form FactorMicro ATX
Processor SupportedRyzen 7
Total Processor Supported1
Controller TypeSerial ATA/600
Maximum Memory Supported128 GB
Environmentally FriendlyYes
Audio Channels7.1
Wireless LANYes
Bluetooth StandardBluetooth 5.2
HDMI Version2.1
Number of Network (RJ-45) Ports1
Number of Onboard USB 2.0 Ports4
PCI Express StandardPCI Express 4.0

PCI Express 5.0

Memory Speed Supported6400 MHz

6200 MHz

6000 MHz

5800 MHz

5600 MHz

5400 MHz

5200 MHz

5000 MHz

4800 MHz

Number of USB 3.2 Gen 1 Type-A Ports2
Number of USB 3.2 Gen 2 Type-A Ports2
Product ModelB650M-A AX II
Product LinePrime
RAID Levels0



Limited Warranty3 Year
Brand CompatibilityAMD
Supplies/Accessories for ASUS PRIMEB650M-AAXII

Kingston Technology 32GB 5200MT/S DDR5 Non-ECC CL42 DIMM 2RX8

Mfg Part# KVR52U42BD8-32

Kingston Technology 8GB 5200MT/S DDR5 Non-ECC CL42 DIMM 1RX16

Mfg Part# KVR52U42BS6-8

Kingston Technology 16GB 5200MT/S DDR5 Non-ECC CL42 DIMM 1RX8

Mfg Part# KVR52U42BS8-16

Kingston Technology 16GB 5200MT/S DDR5 CL36 DIMM Fury Beast White Expo

Mfg Part# KF552C36BWE-16

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Discounts Available for Qualified Volume Opportunities of 5 or more units. Talk with your Provantage sales representative!

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