ASUS PRIME B650M-A AX motherboard AMD B650 Socket AM5 micro ATX

ASUS PRIME B650M-A AX. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen™ 7. Supported memory types: DDR5-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. USB connector type: USB Type-A. Ethernet interface type: 2.5 Gigabit Ethernet, Top Wi-Fi standard: Wi-Fi 6 (802.11ax), Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Manufacturer: ASUS
SKU: 7236103
Manufacturer part number: PRIME B650M-A AX
$199.99
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 provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. FLEXIBILITY 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. UEFI BIOS 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. Search Function Quickly and easily find the option or setting you need. ASUS User Profile Port configuration settings between different BIOS versions or share them with friends. 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. Intuitive Graphical Fan Control Fine-tune individual fan settings simply by dragging a curve with the mouse. Aura On/Off Mode (Stealth) Easily enable or disable Aura RGB lighting or every onboard LED, for a subdued aesthetic touch. COOLING PRIME B650 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads. Heatsink & PCB Design VRM Heatsink and Thermal Pad VRM heatsink and thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance. Six-Layer PCB Design Multiple PCB layers optimize heat management for critical components, providing more headroom to push CPUs beyond stock speeds. Cooler by Design Prime B650 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS. Multiple Temperature Sources Each header can dynamically reference four thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks. Smart Protection A dedicated integrated circuit protects each fan header from overheating and overcurrent. 4-Pin PWM/DC Fan Each onboard header supports auto-detection of PWM or DC fans. PERFORMANCE The PRIME B650 series is built to handle the high core counts and bandwidth demands of AMD processors. ASUS B650 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible data transfer options. DDR5 Performance Enhancement Comprehensive memory tuning options are the cornerstone of PRIME motherboards. With the PRIME B650M-A AX, you can extract all of the potential out of your DDR5 modules, whether they're from an extreme-speed kit or an entry-level set that would otherwise be locked. For entry-level modules without EXPO™ memory support, we’ve got you covered. Click here to learn more about AEMP. arrow . For those who want to fly past stock DDR5 speeds, the PRIME B650M-A AX is primed and ready for enthusiast-grade kits courtesy of vast AMD Extended Profiles for Overclocking (EXPO™) support. Seasoned veterans can further tweak performance via the extensive array of settings in the UEFI. ASUS OptiMem II Revisions to the motherboard’s trace routing provide the latest processors with unrestricted access to memory bandwidth. ASUS OptiMem II technology carefully maps memory signal pathways across different PCB layers to reduce vias and adds shielding zones that significantly reduce crosstalk. Benefits of ASUS OptiMem II: - Improved memory stability and compatibility - Allows lower memory latencies at equivalent voltages - Improved memory frequency margin Storage PCIe 5.0 M.2 Support PRIME B650M-A AX offers a total of two M.2 slots, the first one supports data-transfer speeds of up to 128Gbps via PCIe 5.0, enabling quicker boot-up and app load times with OS or application drives. PCIe 4.0 Slot Prime B650 motherboards offer PCIe 4.0 Slot connectivity for the latest GPUs. The wide bandwidth and superfast transmission speeds allow you to create feature-rich builds that can handle high loads effortlessly. Front USB Type-C® A full complement of USB ports support high-end rigs loaded with peripherals, including a front-panel USB 3.2 Gen 1 Type-C® connector that provides data transfer speeds of up to 5Gbps. WiFi 6 The WiFi 6 module is compatible with the 802.11ax standard and pushes theoretical peak bandwidth up to an incredible 1.2Gbps. Perhaps more importantly for power users, it's optimized for more efficient operation on crowded networks with a lot of competing traffic. Pair your motherboard with ASUS WiFi 6 routers to fully experience the networking potential of WiFi 6. Realtek 2.5 Gb Ethernet Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers. LANGuard ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology and premium anti-EMI surface-mounted capacitors to improve throughput and ensure a more reliable connection. CUSTOMIZATION Outstanding Audio Combined onboard features deliver elevated audio Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced. Audio Shielding Audio shielding ensures precision analog/digital separation and greatly reduced multi-lateral interference. Dedicated Audio PCB Layers Separate layers for left and right tracks ensures both channels deliver consistent, equal quality. Premium Audio Capacitors Provides warm, natural, and immersive sound with exceptional clarity and fidelity. Personalization Aura Sync Outshine the Competition A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for the built-in RGB LEDs as well as strips and devices connected to the onboard RGB headers — and it can all be synced with an ever-growing portfolio of Aura-capable hardware. Addressable Gen 2 Headers Three addressable Gen 2 headers are capable of detecting the number of LEDs on second-gen addressable RGB devices, allowing the software to automatically tailor lighting effects to specific devices. The new headers also offer backward-compatibility with existing Aura RGB gear. Armoury Crate Within a single intuitive interface, Armoury Crate offers easily customized Aura Sync RGB settings for every compatible device in your arsenal , plus controls for an ever-growing family of ASUS products, including keyboard and mouse preferences. Armoury Crate also integrates product registration and a news feed so that you never miss updates of interest to the ASUS community. Q-LED Core The Q-LED Core display produces light patterns by power LED during the Power-On Self-Test (POST) that can help users troubleshoot potential issues. BIOS FlashBack™ BIOS FlashBack™ is the simplest and safest (UEFI) BIOS update method. Simply drop the (UEFI) BIOS file onto a FAT32 formatted USB stick, plug it into the USB BIOS FlashBack™ port and press the button. Updates can even be performed without a memory or a CPU installed. SafeSlot Core+ SafeSlot Core+ is the ASUS-exclusive PCIe slot fortified with a one-piece stainless-steel brace that shields the slot to protect it from damage. The metal cover is tightly secured to the slot with hooks, and the entire assembly is firmly anchored to the PCB with strengthened solder points to provide a secure foundation for heavyweight graphics cards. - Strengthened solder points around the PCIe and DIMM pins. - Metal inserts keep graphics cards properly aligned during installation. - The metal side-panels feature hooks that firmly clasp the slot body. Overvoltage Protection World-class circuit-protecting power design An exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies. Stainless-Steel Back I/O 3X corrosion-resistance for greater durability Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.

 

  • AMD AM5 Socket: Ready for AMD Ryzen™ 7000 Series Desktop Processors
  • Ultrafast Connectivity: Wi-Fi 6, M.2 PCIe 5.0, Realtek 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 provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. FLEXIBILITY 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. UEFI BIOS 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. Search Function Quickly and easily find the option or setting you need. ASUS User Profile Port configuration settings between different BIOS versions or share them with friends. 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. Intuitive Graphical Fan Control Fine-tune individual fan settings simply by dragging a curve with the mouse. Aura On/Off Mode (Stealth) Easily enable or disable Aura RGB lighting or every onboard LED, for a subdued aesthetic touch. COOLING PRIME B650 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads. Heatsink & PCB Design VRM Heatsink and Thermal Pad VRM heatsink and thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance. Six-Layer PCB Design Multiple PCB layers optimize heat management for critical components, providing more headroom to push CPUs beyond stock speeds. Cooler by Design Prime B650 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS. Multiple Temperature Sources Each header can dynamically reference four thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks. Smart Protection A dedicated integrated circuit protects each fan header from overheating and overcurrent. 4-Pin PWM/DC Fan Each onboard header supports auto-detection of PWM or DC fans. PERFORMANCE The PRIME B650 series is built to handle the high core counts and bandwidth demands of AMD processors. ASUS B650 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible data transfer options. DDR5 Performance Enhancement Comprehensive memory tuning options are the cornerstone of PRIME motherboards. With the PRIME B650M-A AX, you can extract all of the potential out of your DDR5 modules, whether they're from an extreme-speed kit or an entry-level set that would otherwise be locked. For entry-level modules without EXPO™ memory support, we’ve got you covered. Click here to learn more about AEMP. arrow . For those who want to fly past stock DDR5 speeds, the PRIME B650M-A AX is primed and ready for enthusiast-grade kits courtesy of vast AMD Extended Profiles for Overclocking (EXPO™) support. Seasoned veterans can further tweak performance via the extensive array of settings in the UEFI. ASUS OptiMem II Revisions to the motherboard’s trace routing provide the latest processors with unrestricted access to memory bandwidth. ASUS OptiMem II technology carefully maps memory signal pathways across different PCB layers to reduce vias and adds shielding zones that significantly reduce crosstalk. Benefits of ASUS OptiMem II: - Improved memory stability and compatibility - Allows lower memory latencies at equivalent voltages - Improved memory frequency margin Storage PCIe 5.0 M.2 Support PRIME B650M-A AX offers a total of two M.2 slots, the first one supports data-transfer speeds of up to 128Gbps via PCIe 5.0, enabling quicker boot-up and app load times with OS or application drives. PCIe 4.0 Slot Prime B650 motherboards offer PCIe 4.0 Slot connectivity for the latest GPUs. The wide bandwidth and superfast transmission speeds allow you to create feature-rich builds that can handle high loads effortlessly. Front USB Type-C® A full complement of USB ports support high-end rigs loaded with peripherals, including a front-panel USB 3.2 Gen 1 Type-C® connector that provides data transfer speeds of up to 5Gbps. WiFi 6 The WiFi 6 module is compatible with the 802.11ax standard and pushes theoretical peak bandwidth up to an incredible 1.2Gbps. Perhaps more importantly for power users, it's optimized for more efficient operation on crowded networks with a lot of competing traffic. Pair your motherboard with ASUS WiFi 6 routers to fully experience the networking potential of WiFi 6. Realtek 2.5 Gb Ethernet Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers. LANGuard ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology and premium anti-EMI surface-mounted capacitors to improve throughput and ensure a more reliable connection. CUSTOMIZATION Outstanding Audio Combined onboard features deliver elevated audio Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced. Audio Shielding Audio shielding ensures precision analog/digital separation and greatly reduced multi-lateral interference. Dedicated Audio PCB Layers Separate layers for left and right tracks ensures both channels deliver consistent, equal quality. Premium Audio Capacitors Provides warm, natural, and immersive sound with exceptional clarity and fidelity. Personalization Aura Sync Outshine the Competition A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for the built-in RGB LEDs as well as strips and devices connected to the onboard RGB headers — and it can all be synced with an ever-growing portfolio of Aura-capable hardware. Addressable Gen 2 Headers Three addressable Gen 2 headers are capable of detecting the number of LEDs on second-gen addressable RGB devices, allowing the software to automatically tailor lighting effects to specific devices. The new headers also offer backward-compatibility with existing Aura RGB gear. Armoury Crate Within a single intuitive interface, Armoury Crate offers easily customized Aura Sync RGB settings for every compatible device in your arsenal , plus controls for an ever-growing family of ASUS products, including keyboard and mouse preferences. Armoury Crate also integrates product registration and a news feed so that you never miss updates of interest to the ASUS community. Q-LED Core The Q-LED Core display produces light patterns by power LED during the Power-On Self-Test (POST) that can help users troubleshoot potential issues. BIOS FlashBack™ BIOS FlashBack™ is the simplest and safest (UEFI) BIOS update method. Simply drop the (UEFI) BIOS file onto a FAT32 formatted USB stick, plug it into the USB BIOS FlashBack™ port and press the button. Updates can even be performed without a memory or a CPU installed. SafeSlot Core+ SafeSlot Core+ is the ASUS-exclusive PCIe slot fortified with a one-piece stainless-steel brace that shields the slot to protect it from damage. The metal cover is tightly secured to the slot with hooks, and the entire assembly is firmly anchored to the PCB with strengthened solder points to provide a secure foundation for heavyweight graphics cards. - Strengthened solder points around the PCIe and DIMM pins. - Metal inserts keep graphics cards properly aligned during installation. - The metal side-panels feature hooks that firmly clasp the slot body. Overvoltage Protection World-class circuit-protecting power design An exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies. Stainless-Steel Back I/O 3X corrosion-resistance for greater durability Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.

 

  • AMD AM5 Socket: Ready for AMD Ryzen™ 7000 Series Desktop Processors
  • Ultrafast Connectivity: Wi-Fi 6, M.2 PCIe 5.0, Realtek 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
Products specifications
Attribute nameAttribute value
Supported storage drive interfacesPCI Express 4.0, PCI Express 5.0, SATA III
Motherboard chipsetAMD B650
Supported memory clock speeds4800,5000,5200,5600 MHz
Width9.61"
Depth9.61"
Bluetooth version5.2
Maximum internal memory128 GB
Top Wi-Fi standardWi-Fi 6 (802.11ax)
BluetoothY
Line-inY
Memory slots typeDIMM
BIOS typeUEFI AMI
Motherboard form factormicro ATX
USB connector typeUSB Type-A
Non-ECCY
HDMI version2.1
DisplayPorts quantity1
DisplayPort version1.4
Supported memory typesDDR5-SDRAM
Number of memory slots4
Unbuffered memoryY
ATX Power connector (24-pin)Y
CPU fan connectorY
Motherboard chipset familyAMD
BIOS memory size256 Mbit
EPS power connector (8-pin)Y
Front panel audio connectorY
Number of chassis fan connectors3
PC health monitoringCPU, Fan, LED, Temperature
Audio connectorY
Number of COM connectors1
S/PDIF out connectorY
Clear CMOS jumperY
TPM connectorY
Number of SATA III connectors8
Discrete graphics supportY
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
WiFi-AP antenna jack2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
Front panel connectorY
RGB LED pin headerY
PCI Express x16 (Gen 4.x) slots4
Ports & interfaces
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity4
HDMI ports quantity1
VGA (D-Sub) ports quantity1
PS/2 ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
Microphone inY
Power
Power source typeATX
Features
Component forPC
ECCY
Cooling typeActive
Memory channelsDual-channel
Packaging content
Cables includedSATA
Performance
Compatible processor seriesAMD Ryzen™ 7
Ethernet LANY
Storage
RAID supportY
RAID levels0, 1, 10
Supported storage drive typesHDD & SSD
Network
Ethernet interface type2.5 Gigabit Ethernet
Wi-FiY
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
System requirements
Windows operating systems supportedWindows 10, Windows 10 x64, Windows 11 x64
Processor
Processor manufacturerAMD
Processor socketSocket AM5
Internal I/O
USB 2.0 connectors2
Loudspeakers
Audio output channels7.1 channels