ASUS 

ASUS PRIME B850-PLUS WIFI

Mfg Part Number:  PRIME B850-PLUS WIFI  
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Price: $225.31
Quantity:
In Stock: 6
Last Updated: Aug 16, 2026
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PRIME B850-PLUS WIFI

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850-PLUS WIFI 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.

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.

Digital Power Design

PRIME B850-PLUS WIFI 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 DDR5 performance

Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850-PLUS WIFI maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.2

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 B850-PLUS WIFI offers extensive AMD 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 B850-PLUS WIFI 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.

Main Specification
General Information
Manufacturer ASUS Computer International
Manufacturer Part Number PRIME B850-PLUS WIFI
Manufacturer Website Address http://usa.asus.com
Brand Name Asus
Product Line Prime
Product Model PRIME B850-PLUS WIFI
Product Name PRIME B850-PLUS 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 7
Processor Supported Ryzen 9
Memory
Number of Memory Slots 4
Memory Form Factor UDIMM
Memory Form Factor DIMM
Maximum Memory Supported 256 GB
Memory Technology DDR5 SDRAM
Memory Speed Supported 8000 MHz
Error Checking ECC
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 1
RAID Levels 10
RAID Levels 5
RAID Levels 0
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Bluetooth Yes
Bluetooth Standard Bluetooth 5.3
Gigabit Ethernet Yes
2.5Gigabit Ethernet Yes
Wireless LAN Yes
Wireless LAN Standard IEEE 802.11ax
I/O Expansions
Total Number of Expansion Slots 5
PCI Express Standard PCI Express 4.0
PCI Express Standard PCI Express 5.0
PCI Express Standard PCI Express 3.0
Total Number of PCI Express Slots 5
Number of PCI Express x4 Slots -1
Number of PCI Express x16 Slots 5
Interfaces/Ports
Total Number of USB Ports 8
HDMI Yes
HDMI Version
  • 2.1
  • DisplayPort Yes
    Number of Network (RJ-45) Ports 1
    Thunderbolt Yes
    Number of Thunderbolt 4 Ports 2
    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 6
    Onboard S/PDIF Header Yes
    Physical Characteristics
    Form Factor ATX
    Width 12"
    Depth 9.6"
    Miscellaneous
    Package Contents
    • PRIME B850-PLUS WIFI Gaming Desktop Motherboard
    • 2 x SATA 6Gb/s cables
    • 1 x ASUS WiFi Q-Antenna
    • 1 x M.2 rubber packages
    • 3 x Screw packages for M.2 SSD
    • 1 x Quick start guide
    Brand Compatibility AMD
    Environmental Compliance Restriction of Hazardous Substances (RoHS)
    Warranty
    Limited Warranty 3 Year
    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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