ASUS ROG STRIX B850-A GAMING WIFI DDR5 AM5 ATX Motherboard - White
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Brand : Asus
Advanced AI PC Ready
ATX Form Factor
AMD Socket AM5
WiFi 7
DDR5
GEN 5 SUPPORT
ASUS ROG STRIX B850-A GAMING WIFI DDR5 AM5 ATX Motherboard - White
ROG STRIX B850-A gaming wifi
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.
ASUS AI INTELLIGENCE
ASUS AI ADVISOR
Using AI technology to understand natural-language
questions or scenario descriptions, ASUS AI Advisor allows users to
explore the functionality and advanced features of ASUS motherboards in a
simple and straightforward way.
AI NETWORKING II
AI Networking II combines intelligent technologies
to continuously optimize network performance, provide trustworthy and
seamless connectivity, and unleash the full speed of WiFi 7*.
Performance
OVERCLOCKING
PBO ENHANCEMENT
AMD Precision Boost Overdrive (PBO) pushes the
CPU current and voltage budget to opportunistically increase
performance. By aggressively tuning the PBO parameters, AMD's algorithm
can leverage the motherboard's robust power solution to ramp up
performance even higher.
MEMORY
DDR5 DOMINATION
The Strix B850-A is primed and ready for
enthusiast-grade kits courtesy of vast AMD Extended Profiles for
Overclocking (EXPO) support.
AEMP
ASUS Enhanced Memory Profile (AEMP) is an exclusive firmware feature for PMIC-restricted memory modules.
ROG STRIX ULTIMATE
POWER DESIGN
14(80A)+2(80A)+2(80A)
Power Stages
COOLING
M.2
M.2 HEATSINKS, M.2 BACKPLATE
VRM
VRM HEATSINK ARRAY
CPU
CPU FAN HEADERS, AIO PUMP FAN HEADER
CHASSIS
4-PIN FAN HEADERS
Leading Connectivity
pcie 5.0
Fully embracing the new standard, the Strix B850-A offers end-to-end PCIe 5.0 support.
USB PORTS
Supports total 17 USB ports including USB 20Gbps
UNDENIABLY ROG STRIX
The ROG Strix B850-A stands out with its striking white PCB, offering a fresh and modern aesthetic that seamlessly complements almost any system build. The matching metallic heatsinks enhance its clean, crisp look, while subtle RGB lighting on the I/O shroud allows you to either maintain a sleek, understated appearance or showcase a bold, luminous design.
OUTSHINE THE COMPETITION
ROG Strix motherboards feature ASUS Aura technology, enabling full lighting control and a variety of presets for both onboard RGB LEDs and third-party accessories. Effects can be easily synced across compatible ROG graphics cards, monitors, keyboards, and mice to give your setup a unified look.
Specifications
Model
ROG STRIX B850-A GAMING WIFI
CPU
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
Chipset
AMD B850 Chipset
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)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration
- 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
*** VGA resolution support depends on processors' or graphic cards' resolution.
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 or x4 mode)*
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)**
* Specifications vary by CPU types.
** PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3
- To ensure compatibility of the device installed.
Storage
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_4 (Key M), type 2280 (supports PCIe 4.0 x4)
2 x SATA 6Gb/s ports
* Specifications vary by CPU types.
** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled.
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 Intel® 2.5Gb Ethernet
ASUS LANGuard
Wireless & Bluetooth
Wi-Fi 7*
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band**
Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate.
Bluetooth® v5.4***
*Wi-Fi features may vary depending on the operating system
For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only supports Wi-Fi 6E.
For Windows 10, only Wi-Fi 6 is supported.
** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.
*** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
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 (2 x Type-A)
Front USB (Total 7 ports)
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
* USB Type-C® power delivery output: max. 5V/3A
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
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
** 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.
Back Panel I/O 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 (2 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
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
KWD 
AED 
SAR 
BHD 
OMR 
QAR 
