ASUS 

ASUS MB PRIME B650M-A-CSM B650 AMD AM5 Max.128GB DDR5 mATX Retail

Mfg Part Number:  PRIME B650M-A-CSM  
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Price: $247.47 + Free Shipping
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Last Updated: Nov 30, 2025
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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-CSM provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features.

ASUS Corporate Stable Model

ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.

ASUS Control Center Express

ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.

Optimize IT endpoint management

Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely

Automate IT maintenance

Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility

Securely manage all of endpoints

Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices

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.

Intelligent Control | 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.

Main Specification
General Information
Manufacturer ASUS Computer International
Manufacturer Part Number PRIME B650M-A-CSM
Manufacturer Website Address http://usa.asus.com
Brand Name Asus
Product Line Prime
Product Model B650M-A-CSM
Product Name PRIME B650M-A-CSM Desktop Motherboard
Product Type Desktop Motherboard
Processor & Chipset
Chipset Manufacturer AMD
Chipset Model B650
Total Processor Supported 1
Processor Socket Socket AM5
Processor Supported Ryzen 7
Memory
Number of Memory Slots 4
Memory Form Factor UDIMM
Memory Form Factor DIMM
Maximum Memory Supported 128 GB
Memory Technology DDR5 SDRAM
Memory Speed Supported 5600 MHz
Memory Speed Supported 5200 MHz
Memory Speed Supported 5400 MHz
Memory Speed Supported 4800 MHz
Memory Speed Supported 5000 MHz
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 0
RAID Levels 1
RAID Levels 10
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
2.5Gigabit Ethernet Yes
I/O Expansions
Total Number of Expansion Slots 3
PCI Express Standard PCI Express 5.0
PCI Express Standard PCI Express 4.0
Total Number of PCI Express Slots 3
Number of PCI Express x16 Slots 3
Interfaces/Ports
Total Number of USB Ports 8
Number of USB 3.2 Gen 1 Type-A Ports 2
Number of USB 3.2 Gen 2 Type-A Ports 2
S/PDIF Yes
VGA Yes
HDMI Yes
HDMI Version 2.1
DisplayPort Yes
Number of Network (RJ-45) Ports 1
Onboard Interfaces
Number of SATA Interfaces 4
Number of M.2 Interfaces 2
Total Number of Onboard USB Ports 7
Number of Onboard USB 2.0 Ports 4
Physical Characteristics
Form Factor Micro ATX
Width 9.6"
Depth 9.6"
Miscellaneous
Package Contents
  • PRIME B650M-A-CSM Desktop Motherboard
  • 2 x SATA 6Gb/s cables
  • 1 x I/O Shield
  • 1 x Screw Package for M.2 SSD
  • 1 x ACC Express Activation Key Card
  • 1 x User guide
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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