ASUS ROG STRIX B850-A GAMING WIFI Ryzen Socket AM5 ATX Desktop Motherboard

SPECIFICATIONS

Brand

ASUS

Series

ROG STRIX

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, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/.
• ** 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
• *** 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/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
• ** Specifications vary by CPU types.
• - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.

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
• * 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.
• ** 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.

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 (4 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 (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

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

Special 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

Software Features

• ROG Exclusive Software
• - ROG CPU-Z
• - Dolby Atmos
• ASUS Exclusive Software
• 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

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Form Factor

• ATX Form Factor
• 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )