Asus

Asus Prime B840-PLUS WIFI-CSM Gaming Desktop Motherboard - AMD B840 Chipset - Socket AM5 - ATX (primeb840-pluswifi-csm)

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SKU:
21632693
MPN:
primeb840-pluswifi-csm
Availability:
Usually ships the same or next business day. In stock at our PA warehouse.
Shipping:
Calculated at Checkout
Stock Update:
07/31/2026 03:30:10 AM PST
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$217.45

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 - 3 and pay only $209.73 each 209.73
Buy 4 or above and pay only $205.92 each 205.92
Stock Update:
07/31/2026 03:30:10 AM PST
Frequently bought together:

Description



This item is brand-new, factory sealed.

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B840-PLUS 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 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 B840-PLUS 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 B840-PLUS 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 B840-PLUS 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 64 Gbps)

PRIME B840-PLUS WIFI-CSM offers a total of three M.2 slots, including two that support data-transfer speeds of up to 64 Gbps via PCIe 4.0, and one that supports PCIe 3.0. This enables quicker boot-up and app load times with OS or application drives.

Cooling

Cooler by design

The PRIME B840-PLUS WIFI-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.

Features

Brand Compatibility:   
AMD

 

Specs

Physical Characteristics
Form FactorATX
Weight (Approximate)2.43 lb
Height12"
Width12"
Depth9.6"
I/O Expansions
Number of PCI Express x1 Slots1
Total Number of Expansion Slots6
PCI Express Standard
Number of PCI Express x16 Slots5
Total Number of PCI Express Slots6
Memory
Memory TechnologyDDR5 SDRAM
Number of Memory Slots4
Memory Speed Supported7600 MHz
Memory Form Factor
Maximum Memory Supported192 GB
Error CheckingECC
General Information
Brand NameAsus
Manufacturer Website Addresshttp://usa.asus.com
Marketing InformationASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B840-PLUS 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 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 B840-PLUS 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 B840-PLUS 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 B840-PLUS 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 64 Gbps)
PRIME B840-PLUS WIFI-CSM offers a total of three M.2 slots, including two that support data-transfer speeds of up to 64 Gbps via PCIe 4.0, and one that supports PCIe 3.0. This enables quicker boot-up and app load times with OS or application drives.
Cooling
Cooler by design
The PRIME B840-PLUS WIFI-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.
Product TypeGaming Desktop Motherboard
Product NamePrime B840-PLUS WIFI-CSM Gaming Desktop Motherboard
ManufacturerASUS Computer International
Manufacturer Part NumberPRIME B840-PLUS WIFI-CSM
Product ModelB840-PLUS WIFI-CSM
Product LinePrime
Processor & Chipset
Chipset ManufacturerAMD
Processor Supported
Total Processor Supported1
Processor SocketSocket AM5
Chipset ModelB840
Technical Information
AI-poweredYes
Onboard Interfaces
Number of SATA Interfaces4
Total Number of Onboard USB Ports7
Number of M.2 Interfaces3
Onboard S/PDIF HeaderYes
Number of Onboard USB 2.0 Ports4
Interfaces/Ports
S/PDIFYes
HDMI Version<li>2.1</li>
DisplayPortYes
Number of Thunderbolt 4 Ports2
HDMIYes
Total Number of USB Ports8
ThunderboltYes
I/O Controller
RAID SupportedYes
Controller TypeSerial ATA/600
RAID Levels
Video
Onboard VideoCPU Dependent Video
Network & Communication
Wireless LANYes
Wireless LAN StandardIEEE 802.11ax
BluetoothYes
Bluetooth StandardBluetooth 5.3
2.5Gigabit EthernetYes
Gigabit EthernetYes
Audio
Audio Channels7.1

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Asus Prime B840-PLUS WIFI-CSM Gaming Desktop Motherboard - AMD B840 Chipset - Socket AM5 - ATX (primeb840-pluswifi-csm)
$217.45