Asus Prime B850M-A WIFI-CSM Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - Micro ATX

Part No. PRIME B850M-A WIFI-CSM

by ASUS Computer International

Asus Prime B850M-A WIFI-CSM Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - Micro ATX

Ryzen 7, Ryzen 9 Processor Supported - 256 GB DDR5 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - 2.5Gigabit Ethernet - IEEE 802.11ax - HDMI - DisplayPort - 4 x SATA Interfaces

Part No. PRIME B850M-A WIFI-CSM

by ASUS Computer International

$288.99
General Information
ManufacturerASUS Computer International
Manufacturer Part NumberPRIME B850M-A WIFI-CSM
Brand NameAsus
Product LinePrime
Product ModelB850M-A WIFI-CSM
Product NamePRIME B850M-A WIFI-CSM Gaming Desktop Motherboard
Marketing Information

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B850M-A WIFI-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It's designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

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.

Performance

AI Solutions

ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.

AI Advisor

ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.

Performance

Digital Power Design

PRIME B850M-A WIFI-CSM features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use.

Enhanced Memory & Storage Performance

Enhanced DDR5 performance

Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850M-A WIFI-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.

For entry-level modules without EXPO support,ASUS Enhanced Memory Profile (AEMP)automatically detects memory chips and provides optimized profiles for enhanced performance.

For those looking to surpass stock DDR5 speeds, the PRIME B850M-A WIFI-CSM offers extensiveAMD Extended Profiles for Overclocking (EXPO)support and a wide array of UEFI settings for further performance tweaks.

Three M.2 slots (up to 128 Gbps)

PRIME B850M-A WIFI-CSM offers a total of three M.2 slots, including one that supports data-transfer speeds of up to 128 Gbps via PCIe 5.0, and two that support PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.

Product TypeGaming Desktop Motherboard
Technical Information
AI-poweredYes
Processor & Chipset
Chipset ManufacturerAMD
Chipset ModelB850
Total Processor Supported1
Processor SocketSocket AM5
Processor Supported
  • Ryzen 7
  • Ryzen 9
Memory
Number of Memory Slots4
Memory Form Factor
  • DIMM
  • UDIMM
Maximum Memory Supported256 GB
Memory TechnologyDDR5 SDRAM
Memory Speed Supported8000 MHz
Error CheckingECC
I/O Controller
Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels
  • 0
  • 1
  • 5
  • 10
Video
Onboard VideoCPU Dependent Video
Audio
Audio Channels7.1
Network & Communication
BluetoothYes
Bluetooth StandardBluetooth 5.3
Gigabit EthernetYes
2.5Gigabit EthernetYes
Wireless LANYes
Wireless LAN StandardIEEE 802.11ax
I/O Expansions
Total Number of Expansion Slots3
PCI Express Standard
  • PCI Express 4.0
  • PCI Express 5.0
Total Number of PCI Express Slots3
Number of PCI Express x16 Slots3
Interfaces/Ports
Total Number of USB Ports8
Number of USB 2.0 Ports4
S/PDIFYes
HDMIYes
HDMI Version
  • 2.1
  • DisplayPortYes
    Onboard Interfaces
    Number of SATA Interfaces4
    Number of M.2 Interfaces3
    Total Number of Onboard USB Ports7
    Number of Onboard USB 2.0 Ports4
    Onboard S/PDIF HeaderYes
    Physical Characteristics
    Form FactorMicro ATX
    Width9.61" (244 mm)
    Depth9.61" (244 mm)
    Miscellaneous
    Brand CompatibilityAMD
    ConditionNo
    UPC199291051133