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Ryzen 7, Ryzen 9 Processor Supported - 256 GB DDR5 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - 2.5Gigabit Ethernet - IEEE 802.11ax - HDMI - DisplayPort - 4 x SATA Interfaces
$204.49
Special order — estimated available by September 10, 2026.
Genuine ASUS Computer International through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
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.
Limited Warranty: 3 Year
About ASUS ASUS is a multinational company best known for their motherboards, PCs, monitors, graphics cards and routers. Along with an expanding range of superior gaming, content-creation and AIoT solutions, ASUS leads the industry through cutting-edge design and innovations made to create the most ubiquitous, intelligent, heartfelt and joyful smart life for everyone. With a global workforce that includes more than 5,000 R&D professionals, ASUS is driven to become the world’s most admired innovative leading technology enterprise. About ROG Republic of Gamers (ROG) is an ASUS sub-brand dedicated to creating the world’s best gaming hardware and software. Formed in 2006, ROG offers a complete line of innovative products known for performance and quality, including motherboards, graphics cards, laptops, desktops, monitors, audio equipment, routers and peripherals. ROG participates in and sponsors major international gaming events. ROG gear has been used to set hundreds of overclocking records and it continues to be the preferred choice of gamers and enthusiasts around the world. © 2024 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.
| Audio | |
|---|---|
| Audio Channels | 7.1 |
| General Information | |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | PRIME B850-PLUS WIFI |
| 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 |
| I/O Controller | |
| Controller Type | Serial ATA/600 |
| RAID Supported | Yes |
| RAID Levels | 0, 1, 5, 10 |
| I/O Expansions | |
| Total Number of Expansion Slots | 5 |
| Total Number of PCI Express Slots | 5 |
| Number of PCI Express x4 Slots | -1 |
| PCI Express Standard | PCI Express 3.0, PCI Express 4.0, PCI Express 5.0 |
| Number of PCI Express x16 Slots | 5 |
| Interfaces/Ports | |
| Total Number of USB Ports | 8 |
| HDMI | Yes |
| DisplayPort | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Thunderbolt | Yes |
| Number of Thunderbolt 4 Ports | 2 |
| Memory | |
| Number of Memory Slots | 4 |
| Memory Form Factor | DIMM, UDIMM |
| Maximum Memory Supported | 256 GB |
| Memory Speed Supported | 8000 MHz |
| Memory Technology | DDR5 SDRAM |
| Error Checking | ECC |
| 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 |
| 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" |
| Processor & Chipset | |
| Chipset Manufacturer | AMD |
| Chipset Model | B850 |
| Total Processor Supported | 1 |
| Processor Socket | Socket AM5 |
| Processor Supported | Ryzen 7, Ryzen 9 |
| Technical Information | |
| AI-powered | Yes |
| Video | |
| Onboard Video | CPU Dependent Video |
| Warranty | |
| Limited Warranty | 3 Year |
| Miscellaneous | |
| Package Contents |
|
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
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