The ASUS PRIME B850-PLUS WIFI motherboard displayed next to its retail box

Full layout view of the ASUS PRIME B850-PLUS WIFI ATX board, showing all expansion slots and connector placements.

Angled view of the ASUS PRIME B850-PLUS WIFI ATX motherboard, showing its clean silver and black design and silver heatsinks.

The ASUS PRIME B850-PLUS WIFI motherboard with its modern aesthetic, designed for all-around performance.

Top-down view of the ASUS PRIME B850-PLUS WIFI, detailing the AM5 socket, four DDR5 slots, and triple M.2 layout.

The ASUS Q-Antenna connection on the rear I/O, allowing for easy, snap-on Wi-Fi 6E antenna installation

A clear shot of the rear I/O panel on the ASUS PRIME B850-PLUS WIFI, featuring USB-C, 2.5G LAN, and Q-Antenna connectors.

The complete accessory kit for the ASUS PRIME B850-PLUS WIFI: motherboard, Q-Antenna, SATA cables, and M.2 screws.

ASUS PRIME B850-PLUS WIFI DDR5 AM5 ATX Motherboard

Name: ASUS PRIME B850-PLUS WIFI | AM5, PCIe 5.0 & Wi-Fi 6E
Brand: ASUS
SKU: 90MB1L80-M0EAY0
Price: 4770.00 ZAR
Availability: InStock

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R4770,00

CPU: Supports AMD Ryzen 9000, 8000 & 7000 Series Desktop Processors
Socket: AM5
Chipset: AMD B850
Memory: 4 x DIMM slots | Max. 256GB | DDR5 8000+(OC)
Storage: 3 x M.2 slots | 4 x SATA 6Gb/s ports
Expansion Slots: 1 x PCIe 5.0 x16 | 1 x PCIe 4.0 x16 | 2 x PCIe 3.0 x16
Network: 1 x Ethernet 2.5 Gbps | Wi-Fi 6E (802.11ax) & Bluetooth v5.3
Warranty: 3 Years

Availability: 3 in stock SKU: 90MB1L80-M0EAY0 Category: AMD Motherboards

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Description

ASUS PRIME B850-PLUS WIFI: AI-Ready Performance for Everyone

The ASUS PRIME B850-PLUS WIFI is a versatile ATX motherboard designed to unlock the full potential of AMD Ryzen 9000 series processors. It expertly balances robust power delivery and comprehensive cooling with intelligent tuning options, making it an ideal foundation for both daily users and PC DIY enthusiasts. Designed to be Advanced AI PC-ready, it offers high-speed connectivity including PCIe 5.0, DDR5 memory support, and Wi-Fi 6E, ensuring your system is prepared for the next generation of computing.

Unique Features

PCIe 5.0 Connectivity: Features a PCIe 5.0 x16 slot for next-gen graphics cards and a PCIe 5.0 M.2 slot, providing double the data transfer speeds of the previous generation to eliminate bottlenecks in gaming and storage.
AI Solutions: Includes AI Cache Boost to optimize CPU cache and memory for faster LLM workflows, and AI Advisor, a natural-language tool in the BIOS that helps users explore and configure features easily.
Robust Power Design: An 8+2+1 phase power design with discrete MOSFETs ensures efficient and stable power delivery, providing the reliability needed for high-core-count AMD processors and daily multitasking.
AEMP: The ASUS Enhanced Memory Profile automatically detects and optimizes memory chips, allowing you to easily unlock the full performance potential of your entry-level or high-speed DDR5 modules.
Ultrafast Networking: Equipped with Realtek 2.5Gb Ethernet for low-latency wired connections and Wi-Fi 6E for high-speed wireless networking with reduced interference in the 6GHz band.
DIY Friendly Design: Features the innovative Q-Antenna for snap-on Wi-Fi connection, Q-LED Core for easy troubleshooting, and a pre-mounted I/O shield to make the building process smoother and safer.

Quick Specs of the ASUS PRIME B850-PLUS WIFI

Specification	Details
CPU Support	Supports AMD Ryzen 9000, 8000 & 7000 Series Desktop Processors
Socket	AM5
Chipset	AMD B850
Memory Support	4 x DDR5 DIMMs \| up to 256GB \| DDR5 8000+(OC)
Storage Options	3 x M.2 slots \| 4 x SATA 6Gb/s ports
Display Ports	1 x DisplayPort \| 1 x HDMI
USB Ports	1 x USB 10Gbps (Type-C) \| 3 x USB 10Gbps (Type-A) \| 2 x USB 5Gbps (Type-A) \| 2 x USB 2.0 (Type-A)
Expansion Slots	1 x PCIe 5.0 x16 \| 1 x PCIe 4.0 x16 \| 2 x PCIe 3.0 x16
LAN	Realtek 2.5Gb Ethernet
Wireless	Wi-Fi 6E (802.11ax) \| Bluetooth v5.3
Audio	Realtek 7.1 Surround Sound CODEC
Form Factor	ATX

Check out full specifications under the Specs tab.

Why Choose This Product?

The ASUS PRIME B850-PLUS WIFI is the smart choice for builders who want a future-proof system without the flagship price tag. By offering both a PCIe 5.0 slot for graphics and a PCIe 5.0 M.2 slot for storage, it ensures your rig is ready for the fastest components available now and in the future. It bridges the gap between high-end performance and everyday utility.

Ease of use is central to the PRIME series. With features like the Q-Antenna for hassle-free Wi-Fi setup and a pre-mounted I/O shield, installation is quick and painless. Combined with AI-enhanced tools for cooling and performance optimization, this motherboard does the heavy lifting for you, providing a stable, fast, and intelligent computing experience right out of the box.

Step into the future of AI-ready computing with the reliable and powerful ASUS PRIME B850-PLUS WIFI.

Model	PRIME B850-PLUS WIFI
CPU	AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors* * Refer to ASUS for CPU support list.
Chipset	AMD B850 Chipset
Memory	4 x DIMM slots, max. 256GB, DDR5 Supports up to 8000+MT/s (OC) with Ryzen 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC Un-buffered DIMM* Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO) ASUS Enhanced Memory Profile (AEMP) * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit ASUS. Adjustments will be made based on the specifications of mass-produced memory products available on the market. * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Graphics	1 x DisplayPort 1 x HDMI port* * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. Supports max. 8K@30Hz as specified in DisplayPort 1.4. * Supports 4K@60Hz as specified in HDMI 2.1.
Expansion Slots	AMD Ryzen 9000 & 7000 Series Desktop Processors* 1 x PCIe 5.0 x16 slot (supports x16 mode) AMD Ryzen 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode) AMD B850 Chipset 1 x PCIe 4.0 x16 slot (support x4 mode) 2 x PCIe 3.0 x16 slots (support x1 mode)* * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). Specifications vary by CPU types. * The PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. The SATA6G_1/2 will be disabled when The PCIEX16(G3)_1 or PCIEX16(G3)_2 runs. – To ensure compatibility of the device installed, please refer to ASUS for the list of supported
Storage	Supports 3 x M.2 slots and 4 x SATA 6Gb/s ports AMD Ryzen 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) AMD Ryzen 8000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode)* AMD B850 Chipset M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode) 4 x SATA 6Gb/s ports * Specifications vary by CPU types. AMD RAIDXpert2 Technology Ryzen 9000 Series Processors: RAID 0/1/5/10 Ryzen 8000 Series Processors: RAID 0/1 Ryzen 7000 Series Processors: RAID 0/1/10
Ethernet	1 x Realtek 2.5Gb Ethernet ASUS LANGuard
Wireless & Bluetooth	Wi-Fi 6E 2×2 Wi-Fi 6E (802.11ax) Supports 2.4/5/6GHz frequency band* Bluetooth v5.3** * WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later. ** The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer’s website for the latest specifications.
USB	Rear USB (Total 8 ports) 4 x USB 10Gbps port(s) (3 x Type-A + 1 x USB Type-C) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 9 ports) 1 x USB 5Gbps connector (supports USB Type-C) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports * USB Type-C power delivery output: max. 5V/3A
Audio	Realtek 7.1 Surround Sound High Definition Audio CODEC* Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking Supports up to 24-Bit/192 kHz playback Audio Features Audio Shielding Premium audio capacitors Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Back Panel I/O Ports	1 x USB 10Gbps port (1 x USB Type-C) 3 x USB 10Gbps ports (3 x Type-A) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack button
Internal I/O Connectors	Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connectors 1 x 4-pin +12V CPU Power connectors Storage Related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 5Gbps connector (supports USB Type-C ) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports Miscellaneous 3 x Addressable RGB Gen 2 headers 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header 1 x Thunderbolt (USB4) header
Special Features	ASUS 5X PROTECTION III DIGI+ VRM LANGuard Overvoltage protection SafeSlot Stainless-steel back I/O ASUS Q-Design Q-Antenna Q-Dashboard Q-DIMM Q-LED Core Q-Slot ASUS Thermal Solution Flexible M.2 heatsink VRM heatsink design ASUS EZ DIY BIOS FlashBack button BIOS FlashBack LED Pre-mounted I/O shield SafeSlot Aura Sync Addressable RGB Gen 2 headers
Software Features	ASUS Exclusive Software Armoury Crate (Aura Creator, Aura Sync, Fan Xpert 2+, Power Saving) ASUS AI Advisor ASUS Driver Hub ASUS GlideX TurboV Core ASUS CPU-Z Adobe Creative Cloud (Free Trial) Norton 360 Deluxe (60 Days Free Trial) WinRAR (40 Days Free Trial) UEFI BIOS ASUS EZ DIY (ASUS CrashFree BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode, ASUS MyHotkey)
BIOS	256 Mb Flash ROM, UEFI AMI BIOS
Manageability	WOL by PME, PXE
Accessories	Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 1 x M.2 rubber packages 3 x Screw packages for M.2 SSD Documentation 1 x Quick start guide
Operating System	Windows 11, Windows 10 64-bit
Form Factor	ATX Form Factor

About the Brand

ASUS is one of the world’s most recognized and respected names in gaming and computing. With decades of innovation behind them, ASUS delivers top-tier motherboards, graphics cards, gaming laptops, monitors, and peripherals trusted by gamers, streamers, and professionals around the globe.

Under its acclaimed ROG (Republic of Gamers) and TUF Gaming sub-brands, ASUS offers cutting-edge products engineered for durability, speed, and style. Whether you're building a high-performance rig or looking for a powerhouse laptop, ASUS brings together elite design with breakthrough technology.

At OnlyGaming, we stock the latest ASUS hardware to take your gameplay, streaming, and creative performance to the next level. Choose ASUS for innovation that powers victory.