MSI 

MSI MAGB850GPMW MAG B850 GAMING PLUS MAX WIFI ATX AM5 DDR5 MOTHERBOARD

Mfg Part Number:  MAGB850GPMW  
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Price: $249.47
Quantity:
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Last Updated: Aug 18, 2026
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MAG B850 GAMING PLUS MAX WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with the latest Wi-Fi 7 solution, 5G LAN, USB 10Gbps, PCIe 5.0 solutions, Supplemental PCIe Power, and exclusive EZ DIY features, it's ready for the battlefield of AMD Ryzen™ 9000 series processors.
Main Specification
General Information
Manufacturer MSI
Manufacturer Part Number MAGB850GPMW
Manufacturer Website Address http://www.msi.com
Brand Name MSI
Product Line MAG
Product Model B850 GAMING PLUS MAX WIFI
Product Name MAG B850 GAMING PLUS MAX WIFI Gaming Desktop Motherboard
Product Type Gaming Desktop Motherboard
Technical Information
AI-powered Yes
Processor & Chipset
Chipset Manufacturer AMD
Chipset Model B850
Total Processor Supported 1
Processor Socket Socket AM5
Processor Supported Ryzen 9
Processor Supported Ryzen 7
Memory
Number of Memory Slots 4
Memory Form Factor CUDIMM
Memory Form Factor DIMM
Memory Form Factor UDIMM
Maximum Memory Supported 256 GB
Memory Technology DDR5 SDRAM
Memory Speed Supported 6000 MHz
Memory Speed Supported 8200 MHz
Memory Speed Supported 6400 MHz
Memory Speed Supported 5600 MHz
Memory Speed Supported 4800 MHz
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 1
RAID Levels 0
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Bluetooth Yes
Bluetooth Standard Bluetooth 5.4
Gigabit Ethernet Yes
2.5Gigabit Ethernet Yes
Wireless LAN Yes
Wireless LAN Standard IEEE 802.11 a/b/g/n/ac/ax/be
I/O Expansions
Total Number of Expansion Slots 4
PCI Express Standard PCI Express 3.0
PCI Express Standard PCI Express 4.0
PCI Express Standard PCI Express 5.0
Total Number of PCI Express Slots 4
Number of PCI Express x1 Slots 2
Number of PCI Express x4 Slots 1
Number of PCI Express x16 Slots 1
Interfaces/Ports
Total Number of USB Ports 8
Number of USB 2.0 Ports 4
S/PDIF Yes
DisplayPort Yes
Number of Network (RJ-45) Ports 1
Onboard Interfaces
Number of SATA Interfaces 4
Number of M.2 Interfaces 3
Total Number of Onboard USB Ports 9
Number of Onboard USB 2.0 Ports 4
Physical Characteristics
Color Family White
Product Color White
Form Factor ATX
Width 12"
Depth 9.6"
Miscellaneous
Package Contents
  • MAG B850 GAMING PLUS MAX WIFI Gaming Desktop Motherboard
  • Quick Installation Guide
  • European Union Regulatory Notice
  • 1 x SATA Cables
  • EZ M.2 Clip II Remover
  • EZ M.2 Clip II
  • Cable Sticker
  • EZ Wi-Fi Antenna
  • 1 to 2 EZ Conn-Cable (V1)
Compatibility
  • Socket: AM5, supporting AMD Ryzen 9000, 8000, and 7000 Series processors.
  • Memory: 4x DDR5 slots, supporting speeds over 8200+ MT/s (OC), with a max capacity of 256GB.
  • Expansion Slots: 1x PCIe 5.0 x16 slot for modern GPUs, along with PCIe 4.0 and 3.0 slots.
  • Storage: 3x M.2 slots (Key-E) with 1x PCIe 5.0 x4 (from CPU), 1x PCIe 4.0 x4 (from CPU), and 1x PCIe 4.0 x4 (from Chipset). Supports 4x SATA 6G ports.
  • Networking: Features 5G LAN (Realtek® 8126VB) and Wi-Fi 7.
  • USB: Rear USB includes USB 20Gbps Type-C, 10Gbps Type-C, and various Type-A ports.
Brand Compatibility AMD
Warranty
Limited Warranty 3 Year
product information
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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