Press / to jump to the search bar
Images are for reference purposes only and product appearances/colours may vary.

Elevate your build with the ROG Strix B850-A Gaming WiFi. Featuring a sleek white PCB and support for AMD Ryzen 9000 Series processors, this motherboard delivers the power and connectivity needed for advanced AI applications. With DDR5 support, full PCIe 5.0 capabilities, USB 20Gbps port, and WiFi 7, it's the ultimate blend of style and performance.

CPU
  • AMD Socket AM5 for AMD Ryzen 7000 / 8000 / 9000 Series Desktop Processors
(Refer to www.asus.com for CPU support list.)
Chipset
  • AMD B850
Memory

4 x DIMM slots, max. 192GB, 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
  • 1 x USB4 (40Gbps) ports support USB Type-C display outputs
    • Supports max. 4K@60Hz as specified in DisplayPort 1.4a
Audio

ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080

  • Impedance sense for front and rear headphone outputs
  • Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
    • A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. 
  • High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
  • Supports up to 32-Bit/384 kHz playback
    • The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure to connect your audio output device to the audio jack on the front panel of your chassis or use a USB interface audio device.
  • Audio Features
    • Audio Shielding
    • Savitech SV3H712 AMP
    • Gold-plated audio jacks
    • Rear optical S/PDIF out port
    • Premium audio capacitors
    • Audio cover
LAN

1 x Intel 2.5Gb Ethernet

ASUS LANGuard

Wireless Communication Module

Wi-Fi 7

  • 2x2 Wi-Fi 7 (802.11be)
  • Supports 2.4/5/6GHz frequency band
  • Support Wi-Fi 7 320MHz bandwidth, up to 6.5Gbpstransfer rate.
    • For Windows 11, Wi-Fi 7 will require24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only support Wi-Fi 6E. 
    • For Windows 10, please note that no driver is available, refer to the Wi-Fi chipset vendor's website for details.

Bluetooth v5.4

Expansion Slots

AMD Ryzen 9000 & 7000 Series Desktop Processors

  • 1 x PCIe 5.0 x16 slot with Q-Release Slim

AMD Ryzen 8000 Series Desktop Processors

  • 1 x PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8/x4 mode)

AMD B850 Chipset

  • 1 x PCIe 4.0 x16 slot (supports x4 mode)
    • PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3
Storage Interface

Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports

AMD Ryzen 7000 & 9000 Series Desktop Processors

  • M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 5.0x4 mode)
  • M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode)

AMD Ryzen 8000 Series Desktop Processors

  • M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 4.0x4 mode)
  • M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)

AMD B850 Chipset

  • M.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)
  • M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled.
  • M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4)
  • 2 x SATA 6Gb/s ports

AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. RAID 5 Function is only supported by AMD Ryzen 9000 series CPU.

USB

Rear USB (Total 10 ports)

  • 1 x USB 20Gbps port (1 x USB Type-C)
  • 3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C)
  • 4 x USB 5Gbps ports (4 x Type-A)
  • 2 x USB 2.0 ports (4 x Type-A)

Front USB (Total 7 ports)

  • 1 x USB 10Gbps connector (supports USB Type-C)
    • USB Type-C power delivery output: max. 5V/3A
  • 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
  • 2 x USB 2.0 headers support 4 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
  • 2 x 8-pin +12V CPU Power connector

Storage Related

  • 4 x M.2 slots (Key M)
  • 2 x SATA 6Gb/s ports

USB

  • 1 x USB 10Gbps connector (supports USB Type-C)
  • 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
  • 2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

  • 3 x Addressable Gen 2 headers
  • 1 x CPU Over voltage jumper
  • 1 x Front Panel Audio header (F_AUDIO)
  • 1 x Power button
  • 1 x 10-1 pin Front System Panel header
  • 1 x Thermal Sensor header
  • 1 x Thunderbolt (USB4) header
Back Panel Connectors
  • 1 x USB 20Gbps port (1 x USB Type-C)
  • 3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C)
  • 4 x USB 5Gbps ports (4 x Type-A)
  • 2 x USB 2.0 ports (4 x Type-A)
  • 1 x DisplayPort
  • 1 x HDMI port
  • 1 x Wi-Fi module
  • 1 x Intel 2.5Gb Ethernet port
  • 2 x Audio jacks
  • 1 x Optical S/PDIF out port
  • 1 x BIOS FlashBack button
  • 1 x Clear CMOS 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

Extreme Engine Digi+

  • 5K Black metallic capacitors

ASUS Q-Design

  • M.2 Q-Latch
  • M.2 Q-Release
  • M.2 Q-Slide
  • PCIe Slot Q-Release Slim (with PCIe SafeSlot)
  • Q-Antenna
  • Q-Dashboard
  • Q-DIMM
  • Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
  • Q-Slot

ASUS Thermal Solution

  • M.2 heatsink backplate
  • M.2 heatsink

ASUS EZ DIY

  • BIOS FlashBack button
  • BIOS FlashBack LED
  • Clear CMOS button
  • ProCool
  • Pre-mounted I/O shield
  • SafeSlot
  • SafeDIMM

Aura Sync

  • Addressable Gen 2 headers
Bundled Software

ROG Exclusive Software

  • ROG CPU-Z
  • Dolby Atmos

Armoury Crate

  • AIDA64 Extreme (60 days free trial)
  • Aura Creator
  • Aura Sync
  • GameFirst
  • HWiNFO
  • Power Saving

ASUS DriverHub

ASUS GlideX

TurboV Core

Adobe Creative Cloud (Free Trial)

Norton 360 for Gamers (60 Days Free Trial)

WinRAR (40 Days Free Trial)

UEFI BIOS

AI Overclocking Guide

ASUS EZ DIY

  • ASUS CrashFree BIOS 3
  • ASUS EZ Flash
  • ASUS UEFI BIOS EZ Mode
  • ASUS MyHotkey

FlexKey

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.

Write a review

Note: HTML is not translated!
    Bad           Good

ASUS ROG STRIX B850-A GAMING WIFI, AMD B850 Chipset, Socket AM5, ATX Desktop Motherboard

- Socket Socket AM5, AMD B850 Chipset
- Supports Ryzen 7000 / 8000 / 9000 Series Processors
- 4 x DDR5 DIMM Slots, up to 192GB, DDR-8000+
- 1 x PCIe 5.0 x16 Slot
- 1 x PCIe 4.0 x16 Slot (x4 electrical)
- 1 x M.2 PCIe 5.0 NVMe Slot
- 3 x M.2 PCIe 4.0 NVMe Slots

- 2 x SATA 3.0 Ports, Supports RAID 0 / 1
- 2.5Gbps LAN & Wi-Fi 7
- 1 x HDMI 2.1, 1 x DisplayPort 1.4
- 1 x Type-C DisplayPort Alt Mode

- 1 x Rear USB Type-C 20Gb/s, 1 x Rear USB Type-C 10Gb/s
- 2 x Rear USB Type-A 10Gb/s, 4 x Rear USB Type-A 5Gb/s
- Form Factor: ATX
- 3 Year Warranty

  • Product Code: 90MB1J50-M0EAY0
  • Availability: Out Of Stock 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
    • Out Of Stock: Contact us to see if this item will be restocked.
OUT OF STOCK


Price displayed is already subject to a 4% discount for EFT payments