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

CPU

AMD Socket AM5

  • Supports AMD Ryzen 7000 / 8000 / 9000 Series Desktop Processors
  • Supports up to AMD 170W CPU
(Refer to www.asus.com for CPU support list.)
ChipsetAMD B850
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)
Onboard Graphics

Integrated Graphics Processor:

  • 1 x HDMI port
    • Supports max. 4K@60Hz as specified in HDMI 2.1.
  • 1 x DisplayPort
    • Supports max. 8K@30Hz as specified in DisplayPort 1.4
Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC

  • Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
    • A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output
  • Supports up to 24-Bit/192 kHz playback
  • Audio Features
    • Audio Shielding
    • Premium audio capacitors
    • Dedicated audio PCB layers
LAN

1 x Realtek 2.5Gb Ethernet

ASUS LANGuard

Wireless Communication Module

Wi-Fi 6E

  • 2x2 Wi-Fi 6E (802.11ax) 
  • Supports 2.4/5/6GHz frequency band
    • WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.

Bluetooth v5.3

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)
    • 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.
Storage Interface

Total 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

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
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
    • USB Type-C power delivery output: max. 5V/3A
  • 3 x USB 2.0 headers support 6 additional USB 2.0 ports
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
Back Panel Connectors
  • 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
I/O Controller
  • Not Specified
H/W Monitoring
  • Voltage detection
  • Temperature detection
  • Fan speed detection
  • Fan fail warning
  • Fan speed control
BIOS

256 Mb Flash ROM

  • UEFI AMI BIOS
Unique 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
Bundled 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
Operating System
  • Support for Windows 11 64-bit
Form Factor

ATX Form Factor

  • 30.5cm x 24.4cm

Manufacturer
Manufacturer's WebsiteLink *
Product WebsiteLink *
Warranty Information
Warranty Duration3 Years
* These links will redirect to an external website which may be governed by its own privacy policy. We do not share customer information with external sites outside of what's lined out in our Privacy Policy.

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ASUS PRIME B850-PLUS WIFI, AMD B850 Chipset, Socket AM5, ATX Desktop Motherboard

- Socket AM5, AMD B850 Chipset
- Supports Ryzen 7000 / 8000 / 9000 Series Processors
- 4 x DDR5 DIMM Slots, up to 256GB, DDR5-8000
- 1 x PCIe 5.0 x16 Slot
- 1 x PCIe 4.0 x16 Slot (x4 Electrical)
- 2 x PCIe 3.0 x16 Slots (x1 Electrical)
- 1 x M.2 PCIe 5.0 NVMe Slot
- 1 x M.2 PCIe 4.0 NVMe Slot
-
1 x M2. PCIe 4.0 x2 NVMe Slot
- 4 x SATA 3.0 Ports, Supports RAID 0 / 1 / 5 / 10
- 2.5Gbps LAN, Wi-Fi 6E & Bluetooth 5.3
- 1 x HDMI 2.1, 1 x DisplayPort 1.4

- 1 x Rear USB Type-C 10Gb/s
- 3 x Rear USB Type-A 10Gb/s, 2 x USB Type-A 5Gb/s
- 2 x Rear USB 2.0/1.1
- 3 x Rear Audio Jacks
- BIOS Flashback: Update BIOS without CPU / RAM / GPU
- Q-Antenna Quick-Release Wi-Fi Antenna
- ASUS Q-LED Core for Boot Diagnostics
-
3 x ARGB Gen2 Headers
- Form Factor: ATX
- 3 Year Warranty

  • Product Code: 90MB1L80-M0EAY0
  • Availability: In Stock with Supplier leadtimeTooltip Lead Times:
    • In Stock with Progenix: Ready for collection/dispatch once payment clears. The cut-off for same-day dispatch is 12:00pm on business days.
    • In Stock with Supplier: 1-3 business days until dispatched or ready for collection
    • Special Order Item: Ordered specially upon request. Contact us for estimated lead times.
    • Out Of Stock: Contact us to see if this item will be restocked.
  • R3,579



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