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Asus PRIME B840M-A WIFI-CSM Motherboards Asus Prime B840m-a Wifi-csm Gaming Desktop Motherboard - Amd B840 Chipset - Socket Am5 - Micro Atx - Primeb840mawificsm 197105797154

Part Number: PRIME B840M-A WIFI-CSM
Condition: New
Availability: 187  
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Product Specifications



Asus Prime B840M-A WIFI-CSM Gaming Desktop Motherboard - AMD B840 Chipset - Socket AM5 - Micro ATX - Ryzen 7, Ryzen 8, Ryzen 9 Processor Supported - 192 GB DDR5 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - 2.5Gigabit Ethern

PRIME B840M-A WIFI-CSM

Manufacturer Part Number: PRIME B840M-A WIFI-CSM

ASUS PRIME B840M-A WIFI-CSM AMD AM5 B840 mATX motherboard, Advanced AI Ready, DDR5, PCIe 4.0 Ready, three M.2 slots, Wi-Fi 6E, 2.5Gb LAN, DisplayPort, HDMI , USB 5Gbps Type-C , BIOS FlashBack , Aura Sync



CPN:PRIME B840M-A WIFI-CSM
MANUFACTURER NAME: Asus
MANUFACTURER PART NUMBER: PRIME B840M-A WIFI-CSM
UPC EAN CODE: 197105797154
LANGUAGE: EN
MARKET:US

General Information:

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen9000 series processors. The PRIME B840M-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 B840M-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.

  • 8 Vcore power
  • 2 SOC power
  • 1 Misc power

The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.

The Power Saving function contains several settings to 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.

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.

Enhanced DDR5 performance

Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B840M-A WIFI-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.

ManufacturerASUS Computer International
Manufacturer Part NumberPRIME B840M-A WIFI-CSM
Manufacturer Website Addresshttp://usa.asus.com
Brand NameAsus
Product LinePrime
Product ModelB840M-A WIFI-CSM
Product NamePrime B840M-A WIFI-CSM Gaming Desktop Motherboard
Packaged Quantity1
Product TypeGaming Desktop Motherboard
  Product UPC197105797154
Technical Information:
AI-poweredYes
Processor & Chipset:
Chipset ManufacturerAMD
Chipset ModelB840
Total Processor Supported1
Processor SocketSocket AM5
Processor SupportedRyzen 7
Ryzen 9
Memory:
Number of Memory Slots4
Memory Form FactorDIMM
UDIMM
Maximum Memory Supported192 GB
Memory Speed Supported7600 MHz
Memory TechnologyDDR5 SDRAM
Error CheckingECC
I/O Controller:
Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels0
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 Slots4
Total Number of PCI Express Slots4
Number of PCI Express x16 Slots4
PCI Express StandardPCI Express 4.0
PCI Express 3.0
Interfaces/Ports:
Total Number of USB Ports7
S/PDIFYes
HDMIYes
DisplayPortYes
Number of Network (RJ-45) Ports1
Onboard Interfaces:
Number of SATA Interfaces4
Number of M.2 Interfaces3
Total Number of Onboard USB Ports7
Number of Onboard USB 2.0 Ports4
Physical Characteristics:
Form FactorMicro ATX
Width9.6"
Depth9.6"
Miscellaneous:
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
China Restriction of Hazardous Substances (China RoHS)
Taiwan Restriction of Hazardous Substances (Taiwan RoHS)
Waste Electrical and Electronic Equipment Directive (WEEE)
Country of OriginChina
Warranty:
Warranty3 Year

Date Inserted: Saturday January 4, 2025

This product was last updated on Tuesday April 21, 2026

All products are brand new and factory sealed unless otherwise stated.
 *** Disclaimer- Information is supplied by the Manufacturer. The image, including color, may differ from actual product appearance. CompSource, Inc. is not responsible for data. ***

Questions and Answers

Questions and Answers

Ask CompSource

Shipping / Returns

Shipping

Ground = $12.95
(EST. Arrival Date between Fri.Apr.24 - Wed.Apr.29)

Two Day Air = $27.00
(EST. Arrival Date on Fri.Apr.24)

Standard One Day = $41.00
(EST. Arrival Date on Thu.Apr.23 after 3PM)

Priority = $70.00
(EST. arrival Date on Thu.Apr.23 in the AM)

U.S Mail Priority (AA,AE,AP only) = $34.00

FedEx International Economy (Canada only) = $87.00

Shipping dates are best estimates based on product location and may vary with holidays.

If product requires trucking, additional fees may apply.

* Some destinations are subject to Applicable State/Duty Taxes

Returns

CompSource realizes that every product may have different return guidelines. Please see the policy below regarding this item.

Please Note: Due to Asus's Policy this product is not available for return or exchange and must be handled with Asus Direct.

For support on this product, please contact Asus. NONE www.asus.com


Asus Company's Information

Asus  
Click Asus for all products

Local #: 510-739-3777

Toll Free #: NONE

Tech Support #: 510-739-3777

Site:  www.asus.com

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    About Asus

    Brand Promise:
    In Search of Incredible
    ASUS continues to deliver on our In Search of Incredible promise as we strive to become the world's most admired leading enterprise in the new digital era. Our In Search of Incredible campaign, launched in 2011, symbolizes our Design Thinking - Start with People philosophy. It extends beyond product design and development, sales and marketing, and illustrates the ASUS commitment to making life better through innovation.

    ASUS is passionate about technology and driven by innovation. We dream, we dare and we strive to create an effortless and joyful digital life for everyone. ASUS is a Taiwan-based, multinational computer hardware and consumer electronics company that was established in 1989. Dedicated to creating products for today's and tomorrow's smart life, ASUS is the world's No. 1 motherboard and gaming brand as well as a top-three consumer notebook vendor.

    ASUS became widely known in North America when it revolutionized the PC industry in 2007 with its Eee PC. Today, the company is pioneering new mobile trends with the ASUS ZenFone series, and it is rapidly developing virtual and augmented reality products as well as IOT devices and robotics technologies. Most recently, ASUS introduced Zenbo, a smart home robot designed to provide assistance, entertainment, and companionship to families. We're always in search of incredible ideas and experiences - and we aspire to deliver the incredible in everything we do.

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    Learn more about Motherboards

    A motherboard sometimes known as the mainboard, system board, baseboard, planar board or logic board, or a mobo is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit (CPU) and memory, and provides connectors for other peripherals. Unlike a back-plane, a motherboard usually contains significant sub-systems such as the central processor, the chipset's input/output and memory controllers, interface connectors, and other components integrated for general purpose use.

    Motherboard refers to a PCB with expansion capability and as the name suggests, this board is often referred to as the "mother" of all components attached to it, which often include peripherals, interface cards, and daughter cards: sound cards, video cards, network cards, hard drives, or other forms of persistent storage; TV tuner cards, cards providing extra USB slots and a variety of other custom components.



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    What type of socket does your CPU use?
    The socket your CPU uses has to match the socket on the motherboard.
    How many graphics cards do you plan on using?
    Most graphics cards use PCIe x16 slots, and many motherboards will have at least two of them. However, once the first slot is occupied, most motherboards will force the other PCIe x16 slots to run at either 8x or 4x speed. NVidia cards will only work at a minimum 8x speed, while AMD cards are capable of running at 4x speed. It's important to read the motherboard reviews to find out how this might affect your build.

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