PRIME B650M-A AX II, AMD B650 Chipset, AM5, microATX Motherboard

CPU

AMD Socket AM5 for AMD Ryzen™ 7000 Series Desktop Processors*

* Refer to http://www.asus.com for CPU support list.

Chipset

AMD B650 Chipset

Memory

4 x DIMM, Max. 128GB, DDR5 6400+(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800 ECC and Non-ECC, Un-buffered Memory*

Dual Channel Memory Architecture

Supports AMD Extended Profiles for Overclocking (EXPO™)

OptiMem II

* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support under the Support tab or visit https://www.asus.com/support/.

* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

Graphics

1 x DisplayPort**

1 x VGA port

1 x HDMI® port*** 

* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.

** Supports max. 8K@60Hz as specified in DisplayPort 1.4.

*** Supports 4K@60Hz as specified in HDMI 2.1. 

Expansion Slots

AMD Ryzen^™ 7000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode)

1 x PCIe 4.0 x16 slot (supports x1 mode)

AMD B650 Chipset

2 x PCIe 4.0 x16 slots (support x1 mode)

* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).

Storage

Total supports 2 x M.2 slots and 8 x SATA 6Gb/s ports*

AMD Ryzen^™ 7000 Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)

AMD B650 Chipset

M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)

8 x SATA 6Gb/s ports**

* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.

** The SATA6G_E12/E34 ports cannot support RAID.

Ethernet

1 x Realtek 2.5Gb Ethernet

Wireless & Bluetooth^®

Wi-Fi 6
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Supports 2.4/5GHz frequency band
Bluetooth® v5.2*
* The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.

USB

Rear USB (Total 8 ports)

2 x USB 3.2 Gen 2 ports (2 x Type-A)

2 x USB 3.2 Gen 1 ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

Front USB (Total 7 ports)

1 x USB 3.2 Gen 1 connector (supports USB Type-C^®)

1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback

Audio Features

- Audio Shielding

- Premium audio capacitors

- Dedicated audio PCB layers

* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Back Panel I/O Ports

2 x USB 3.2 Gen 2 ports (2 x Type-A)

2 x USB 3.2 Gen 1 ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

1 x DisplayPort

1 x VGA port

1 x HDMI^® port

1 x Wi-Fi Module

1 x Realtek 2.5Gb Ethernet port

3 x Audio jacks 

1 x BIOS FlashBack^™ button

1 x PS/2 Keyboard/Mouse combo port

Internal I/O Connectors

Fan and Cooling related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

3 x 4-pin Chassis Fan headers

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

2 x M.2 slots (Key M)

8 x SATA 6Gb/s ports

USB

1 x USB 3.2 Gen 1 connector (supports USB Type-C^® )

1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

3 x Addressable Gen 2 headers

1 x Aura RGB header

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x S/PDIF Out header

1 x Speaker header

1 x SPI TPM header (14-1pin)

1 x 10-1 pin System Panel header

Special Features

ASUS 5X PROTECTION III

- DIGI+ VRM

- LANGuard

- Overvoltage Protection

- SafeSlot Core+

- Stainless-Steel Back I/O

ASUS Q-Design

- Q-DIMM

- Q-LED core

- Q-Slot

ASUS Thermal Solution

- VRM heatsink design

ASUS EZ DIY

- BIOS FlashBack^™ button

- BIOS FlashBack^™ LED

Aura Sync

- Aura RGB header

- Addressable Gen 2 headers

Software Features

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

- Fan Xpert 2+

- Power Saving

AI Suite 3

- TurboV EVO

- DIGI+ VRM

- PC Cleaner

ASUS CPU-Z

Norton Anti-virus software (Free Trial version)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

Accessories

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x ASUS Wi-Fi moving antennas

1 x I/O Shield

1 x Screw package for M.2 SSD

Documentation

1 x User guide

Operating System

Windows® 11, Windows® 10 64-bit

Form Factor

mATX Form Factor

9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )