MSI

MSI B850MPOWER Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - Micro ATX

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SKU:
21501392
MPN:
b850mpower
Availability:
Usually ships the same or next business day. In stock at our CA warehouse.
Shipping:
Calculated at Checkout
Stock Update:
05/22/2026 07:22:48 PM PST
$247.81

Bulk discount rates

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

Buy 3 - 4 and pay only $242.68 each 242.68
Buy 5 or above and pay only $235.59 each 235.59
Stock Update:
05/22/2026 07:22:48 PM PST
Frequently bought together:

Description



This item is brand-new, factory sealed.

B850MPOWER

The B850MPOWER motherboard, designed exclusively for extreme memory overclockers, features only 2 DIMM slots to ensure a clearer DDR5 memory signal, pushing the boundaries of memory overclocking. Teamed with MPOWER Alliance approved memory, gamers can achieve higher frequencies, delivering an enhanced performance experience.

READY FOR Ai PC

MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.

Al Engine

provides several categories for you to sync the applications you want to perform and automatically optimizing them to create a comfortable environment.

AI LAN MANAGER

optimizes networking performance and minimizes latency, providing a seamless online experience.

Frozr Al Cooling

automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.

Al Boost

is an MSI exclusive feature. It overclocks NPU to improve higher Al performance.

EZ DASHBOARD

Designed for optimal experience with overclocking setups, this exclusive accessory card integrates power, reset, clear CMOS buttons, and a debug LED, simplifying the reboot and testing procedure. Elevate the overclocking endeavors to new heights with this all-in-one solution, ensuring a smoother and efficient process

One Finger for EZ GPU Installation

The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger. Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.

12+2+1 Duet Rail Power System

Unleash and sustain maximum performance with a flagship VRM design built with a total of 12+2+1 digital power phases. Combining dual power connectors and 60A Smart Power Stage, B850MPOWER is ready for the challenge of high-end processors

HIGH-BANDWIDTH AND LOW-LATENCY NETWORK

MSI's premium network solution provides incredible data transfer speed for demanding users.

Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.

AI LAN Manager

MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.

MSI AI LAN MANAGER

  • Automatically prioritizes games above other applications
  • Allows to change applications' traffic priority
  • Allows to customize bandwidth for each application
  • Analysis Wi-Fi signals to select the best source.

The Isolated Analogy Structure for Audio Connectors

To provide clear voice, MSI develops a unique structure - Isolated Analogy Structure. The external metal framework of the audio connectors is separated from the internal layout, which ensures the sound quality crisp



Package Contents:
  • B850MPOWER Gaming Desktop Motherboard
  • EZ Dashboard
  • EZ Wi-Fi Antenna
  • Cable Sticker
  • Quick Installation Guide
  • European Union Regulatory Notice
  • 1 to 2 EZ Conn-Cable (V1)
  • SATA Cable
  • EZ Front Panel Cable
  • EZ M.2 Clip II Remover
  • 3 x EZ M.2 Clip II
  • 1 x M.2 Screw

Features

Package Contents:   
  • B850MPOWER Gaming Desktop Motherboard
  • EZ Dashboard
  • EZ Wi-Fi Antenna
  • Cable Sticker
  • Quick Installation Guide
  • European Union Regulatory Notice
  • 1 to 2 EZ Conn-Cable (V1)
  • SATA Cable
  • EZ Front Panel Cable
  • EZ M.2 Clip II Remover
  • 3 x EZ M.2 Clip II
  • 1 x M.2 Screw

 

Brand Compatibility:   
AMD

 

Specs

Physical Characteristics
Form FactorMicro ATX
Width9.6"
Depth9.6"
Warranty
Additional Warranty Information<p>MSI motherboards purchased by end users will have a warranty period of 3 years (36 months) that covers damage due to regular usage but not physical damage caused to the motherboard. The warranty period will begin on the date of purchase the end user made from an authorized retailer if an invoice is provided as a proof of purchase. If the end user is unable to provide the invoice, then the warranty period will begin based off that product's manufactured date.</p>
Limited Warranty3 Year
I/O Expansions
Number of PCI Express x4 Slots1
Total Number of Expansion Slots2
PCI Express Standard
Number of PCI Express x16 Slots1
Total Number of PCI Express Slots2
Memory
Memory TechnologyDDR5 SDRAM
Number of Memory Slots2
Memory Speed Supported
Memory Form Factor
Maximum Memory Supported128 GB
General Information
Brand NameMSI
Manufacturer Website Addresshttp://www.msi.com
Marketing InformationB850MPOWER
The B850MPOWER motherboard, designed exclusively for extreme memory overclockers, features only 2 DIMM slots to ensure a clearer DDR5 memory signal, pushing the boundaries of memory overclocking. Teamed with MPOWER Alliance approved memory, gamers can achieve higher frequencies, delivering an enhanced performance experience.
READY FOR Ai PC
MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.
Al Engine
provides several categories for you to sync the applications you want to perform and automatically optimizing them to create a comfortable environment.
AI LAN MANAGER
optimizes networking performance and minimizes latency, providing a seamless online experience.
Frozr Al Cooling
automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.
Al Boost
is an MSI exclusive feature. It overclocks NPU to improve higher Al performance.
EZ DASHBOARD
Designed for optimal experience with overclocking setups, this exclusive accessory card integrates power, reset, clear CMOS buttons, and a debug LED, simplifying the reboot and testing procedure. Elevate the overclocking endeavors to new heights with this all-in-one solution, ensuring a smoother and efficient process
One Finger for EZ GPU Installation
The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger. Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.
12+2+1 Duet Rail Power System
Unleash and sustain maximum performance with a flagship VRM design built with a total of 12+2+1 digital power phases. Combining dual power connectors and 60A Smart Power Stage, B850MPOWER is ready for the challenge of high-end processors
HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
MSI's premium network solution provides incredible data transfer speed for demanding users.
Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.
AI LAN Manager
MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.
MSI AI LAN MANAGER
Automatically prioritizes games above other applications
Allows to change applications' traffic priority
Allows to customize bandwidth for each application
Analysis Wi-Fi signals to select the best source.
The Isolated Analogy Structure for Audio Connectors
To provide clear voice, MSI develops a unique structure - Isolated Analogy Structure. The external metal framework of the audio connectors is separated from the internal layout, which ensures the sound quality crisp
Product TypeGaming Desktop Motherboard
Product NameB850MPOWER Gaming Desktop Motherboard
ManufacturerMSI
Manufacturer Part NumberB850MPOWER
Product ModelB850MPOWER
Processor & Chipset
Chipset ManufacturerAMD
Processor Supported
Total Processor Supported1
Processor SocketSocket AM5
Chipset ModelB850
Technical Information
AI-poweredYes
Onboard Interfaces
Number of SATA Interfaces2
Total Number of Onboard USB Ports7
Number of M.2 Interfaces4
Number of Onboard USB 2.0 Ports4
Interfaces/Ports
S/PDIFYes
HDMI Version<p>HDMI 2.1</p>
HDMIYes
Total Number of USB Ports9
Number of Network (RJ-45) Ports1
I/O Controller
RAID SupportedYes
Controller TypeSerial ATA/600
RAID Levels
Video
Onboard VideoCPU Dependent Video
Network & Communication
Wireless LANYes
Wireless LAN StandardIEEE 802.11 a/b/g/n/ac/ax/be
BluetoothYes
Bluetooth StandardBluetooth 5.4
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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MSI B850MPOWER Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - Micro ATX
$247.81