Out of stock

This item is currently out of stock and it may or may not be restocked.

Out of Stock

Sold by Newegg

Shipped by Newegg

Images from RETAIL item, box contents may vary.

ASUS ROG STRIX B850-A GAMING WIFI AMD AM5 B850 ATX motherboard 14+2+2 power stages, DDR5 AEMP, 2.5G LAN, WiFi 7 with Q-Antenna, 4x M.2, PCIe 5.0, USB 20Gbps Type-C, AI Networking II, ASUS AI Advisor

OPEN BOX

Ready for Advanced AI PCs: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
AMD AM5 Socket: Ready for AMD Ryzen 9000, 8000 and 7000 series desktop processors
Intelligent Control: ASUS AI Advisor, AI Networking II and AEMP to simplify setup and improve performance
Robust Power Solution: 14+2+2 power solution rated for 80A per stage with an 8+8-pin ProCool power connector, high-quality alloy chokes, and durable capacitors to support multi-core processors
Optimized Thermal Design: Massive heatsinks bridged to the VRMs with high-conductivity thermal pads and an integrated I/O cover
Latest M.2 Support: One onboard PCIe 5.0 M.2 slot and three PCIe 4.0 M.2 slots, all with substantial cooling solutions
Abundant Connectivity: USB 20Gbps Type-C, USB 10Gbps Type-C, USB 10Gbps Type-C front-panel connector, six additional USB 5Gbps ports, PCIe 5.0 x16 SafeSlots, HDMI port and DisplayPort port

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.

Overview

Specs

Any questions? Our AI beta will help you find out quickly.

Try me now

Supported CPU
CPU Socket Type	AM5
CPU Type	Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

Chipsets
Chipset	AMD B850

Memory
Number of Memory Slots	4x288pin (DDR5)
Memory Standard	Up to DDR5 8000+MT/s (OC)
Maximum Memory Supported	192GB
Channel Supported	Dual Channel
ECC Supported	Yes
Buffer Supported	Un-buffered
Memory Feature	Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO) ASUS Enhanced Memory Profile (AEMP)

Expansion Slots
PCI Express 5.0 x16	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)*
PCI Express 4.0 x16	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

Storage Devices
Serial ATA (SATA)	2 x SATA 6Gb/s
M.2	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) M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled.
SATA RAID	0/1/5/10

Onboard Audio
Audio Chipset	Realtek ALC4080
Audio Channels	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

Rear Panel Ports
Back 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
Onboard 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
Other 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 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

Physical Spec
Form Factor	ATX
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connector

Software Feature
BIOS Feature	256 Mb Flash ROM, UEFI AMI BIOS
Software	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 - Fan Xpert 4 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
Windows 11	Supported

Features
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

Additional Information
First Listed on Newegg	March 20, 2025

Warranty & Returns

Return for refund within: This item is Final Sale
Return for replacement within: This item is Final Sale
This item is covered by Newegg.com's Final Sale Return Policy. Read full return policy for details.