Description
Asus Rog Strix B850-A Gaming WiFi AM5 ATX Motherboard
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.
| Model | ROG STRIX B850-A GAMING WIFI |
| CPU | AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* * Refer to https://www.asus.com/support/download-center/ 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 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 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, 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_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 4.0×4 mode) M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)* AMD B850 Chipset |
| Ethernet | 1 x Intel® 2.5Gb Ethernet ASUS LANGuard |
| Wireless & Bluetooth | Wi-Fi 7* 2×2 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 |
| 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 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 – Fan Xpert 4 – 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 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, UEFI PXE |
| Accessories | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 1 x Cable ties package 1 x M.2 Q-Latch package 1 x M.2 Q-Slide package 1 x ROG key chain 1 x ROG Strix stickers 4 x M.2 rubbers Documentation 1 x Quick start guide |
| Operating System | Windows 11 (22H2 & later) |
| Form Factor | ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) |
| Warranty | 3 Years |
| Note** | **Prices, Specifications & Features are subject to change without notice |