PRIME B850-PLUS WIFI-CSM
PRIME B850-PLUS WIFI-CSM motherboard front view, floating in space.

B850-PLUS WIFI-CSM

* CEC Tier II ready
Advanced AI PC ready logo
AMD Ryzen logo
AMD B850 platform logo
Logo depicting power stages

8+2+1

phase digital power design
DDR5 logo

AEMP

for enhanced DDR5 performance
2.5Gb Ethernet icon

2.5Gb Ethernet

for faster data transfers
WiFi 6E icon

WiFi 6E

for stable WiFi connection and lower latency
USB 10Gbps Type-C icon

USB 10Gbps Type-C®

for rapid data transmission
PCIe 5.0 slots icon

PCIe 5.0 slots

for graphics card and storage
EZ PC DIY icon

EZ PC DIY

for easier build customization
Pre-mounted I/O shield icon

Pre-mounted
I/O shield

for safeguarding ports and enhancing aesthetics
Aura Sync icon

Aura Sync

for full RGB lighting control

ASUS Corporate Stable Model

Learn more about ASUS CSM program
* Lifecycle support, program offering and supply status may vary by region. Please consult your local sales representative for more information.
ASUS Corporate Stable logo with text stating 'Up to 36-month Stable Supply' in a circular design on a blue background.

ASUS Control Center Express

Learn more about ASUS Control Center Express

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.

White network icon with connected nodes on a blue background, below the text 'Optimize IT endpoint management,' describing the benefits for IT staff monitoring and controlling devices 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.

White shield icon with a checkmark inside on a blue circular background

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.

White calendar icon with a green highlighted date on a blue circular background

Performance

AI Solutions

AI Cache Boost

Supercharge your large language model (LLM) workflows with AI Cache Boost. Exclusive to ASUS AMD 800 and 600 series motherboards that use Ryzen 9000 Series CPUs, this BIOS setting optimizes CPU cache and memory pathways to deliver up to 29% faster local LLM performance with high-speed memory tuning.

ASUS AI Solutions webpage section highlighting AI Cache Boost. Shows comparison of AI Cache Boost On versus Off, with up to 29% faster local LLM performance using optimized DRAM and FCLK tuning. Blue background with product performance description and a 'Learn More' button.

AI Advisor

ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.1

UI showing that AI Advisor can be interacted using natural language.

Performance

Digital Power Design

8
Vcore power
2
SOC power
1
Misc power
Angled top-down view of PRIME B850-PLUS WIFI-CSM motherboard.

Enhanced Memory & Storage Performance

Enhanced DDR5 performance

Graphic depicting RAM speeds.

Three M.2 slots (up to 128 Gbps)

Graphic depicting different M.2 slots on a motherboard.

Cooling

Cooler by design

PRIME B850-PLUS WIFI-CSM front view.

Smart Cooling precision

ASUS Fan Xpert 2+

UI for Fan Xpert 2+

Cooler compatibility

See compatible AIO coolers
A Prime motherboard and AIO cooler on a table.

Flexibility

Empowering connections

WiFi 6E logo

WiFi 6E

Realtek 2.5Gb Ethernet logo

2.5Gb Ethernet

PCIe 5.0 logo

PCIe 5.0

PCIe 5.0 slot logo

PCIe 5.0 slot

USB 10Gbps logo

USB 10Gbps

WiFi 6E

Learn More
ASUS WiFi Q-Antenna

Realtek 2.5 Gb Ethernet

Realtek 2.5 Gb Ethernet

USB 10Gbps Type-C®

USB 10Gbps Type-C®

Customization

Personalization

UEFI BIOS

The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.

UEFI BIOS advanced mode UI.

ASUS GlideX

Enable seamless screen sharing and control across PCs, tablets, and smartphones via wired or wireless connections, supporting multiple platforms.

GlideX Logo

ASUS DriverHub

Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.

ASUS DriverHub UI

Armoury Crate

Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates.

ASUS Armoury Crate UI

Aura Sync

Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.

ASUS Aura Sync Logo

Addressable Gen 2 RGB headers

Three addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.

Image depicting PRIME B850-PLUS WIFI-CSM ARGB connectors.

Customization

DIY friendly

Pre-Mounted I/O Shield

Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.

Graphic depicting the PRIME B850-PLUS WIFI-CSM pre-mounted I/O Shield.

BIOS FlashBack

BIOS FlashBack simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack port, and press a button—no CPU or memory needed.

Graphic depicting the PRIME B850-PLUS WIFI-CSM BIOS FlashBack feature.

SafeSlot

PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.

Graphic depicting the PRIME B850-PLUS WIFI-CSM SafeSlot feature.
AMD Ryzen 9000 Series CPU

Build for the most advanced pc for gaming and creating

hidden
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     **Product specifications and battery design may vary depending on the model. For any questions, please contact ASUS official customer service.

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