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ASUS Prime B650M-A AX AMD B650(Ryzen 7000) Micro-ATX motherboard(DDR5, PCIe 5.0 M.2 support, 2.5Gb Ethernet, Wi-Fi 6, DisplayPort, HDMI ,USB 3.2 Gen 2 ports, front USB 3.2 Gen 1 Type-C, BIOS FlashBack, CEC Tier II ready)

AMD AM5 Socket: Ready for AMD Ryzen™ 7000 Series Desktop Processors.
DDR5 5600(OC)/5400(OC)/5200/5000/4800 ECC and Non-ECC, Un-buffered Memory.
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.

Overview

Specs

Reviews (16)

Supported CPU
CPU Socket Type	AM5
CPU Type	Supports AMD Ryzen 7000 Series Desktop Processors* * Refer to www.asus.com for CPU support list.

Chipsets
Chipset	AMD B650

Memory
Number of Memory Slots	4x288pin (DDR5)
Memory Standard	DDR5 5600(OC)/5400(OC)/5200/5000/4800 ECC and Non-ECC, Un-buffered Memory* 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 refer to www.asus.com for memory support list. * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
ECC Supported	Non-ECC
Buffer Supported	Un-buffered

Expansion Slots
PCI Express 4.0 x16	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 ASUS support site

Storage Devices
Serial ATA (SATA)	8 x SATA 6Gb/s
M.2	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) ** The SATA6G_E12/E34 ports cannot support RAID.
SATA RAID	AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10

Onboard Audio
Audio Channels	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.

Onboard LAN
Max LAN Speed	1 x Realtek 2.5Gb Ethernet
Wireless LAN	Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band
Bluetooth	Bluetooth v5.2

Rear Panel Ports
Back 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
Onboard 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
Other 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 Storage related 2 x M.2 slots (Key M) 8 x SATA 6Gb/s 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

Physical Spec
Form Factor	Micro ATX
Dimensions (W x L)	9.6" x 9.6"
Power Pin	1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector

Software Feature
Windows 11	Supported

Features
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

Packaging
Package Contents	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

Additional Information
First Listed on Newegg	October 10, 2022

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