What is the difference between the Asus ROG Strix B850-A Gaming WiFi and the Asus ROG Strix B850-A Gaming WiFi R2?

if you look at the specs, they are exactly the same. IDK why but there's alot of products sold from the same vendor that are named slightly different for some reason.

Is this motherboard suitable for gaming and streaming?

Yes, this motherboard is suitable for gaming and streaming as it supports AMD Ryzen 9000, 8000, and 7000 series processors, offers ultrafast connectivity with PCIe 5.0 and Wi-Fi 7, and includes comprehensive cooling features.

Does this motherboard really support wifi 6? the description says its does but photos of the product show wifi 7.

The product features indicate that the motherboard supports Wi-Fi 802.11 be, which is Wi-Fi 7, not Wi-Fi 6.

I saw there's some bios update issue about this R2 board, link: //rog-forum.asus.com/t5/amd-800-series/bios-update-for-b850-a-gaming-wifi-r2/td-p/1108679wonder if this is a concern if I just install system and stuff?

I haven't updated my bios I have not had any issues with the motherboard so far.

What kind of cooling features does this motherboard come with?

The motherboard features comprehensive cooling options, including a VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ for optimized thermal management.

What is the maximum memory I can install on this motherboard?

The maximum memory supported by this motherboard is 256GB.

What CPUs are compatible with this motherboard?

The motherboard is compatible with AMD Ryzen 7000, 8000, and 9000 series desktop processors.

What are the audio features on this motherboard?

The audio features on this motherboard include ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080, impedance sense for front and rear headphone outputs, support for jack-detection and multi-streaming, high-quality 120 dB SNR stereo playback output, and 110 dB SNR recording input.

Can I connect this motherboard to a wireless network?

Yes, this motherboard supports Wi-Fi 802.11 be for wireless connectivity.

Will this support DDR4 memory sticks?

No, this motherboard supports DDR5 memory sticks, not DDR4.

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Main image of ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 2 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 3 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 4 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 5 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 6 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 7 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 8 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

Alt view image 9 of 9 - ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

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ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

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AMD AM5 Socket: Ready for AMD Ryzen 9000, 8000 and 7000 series desktop processors
Ultrafast Connectivity: PCIe 5.0, two M.2 slots, Realtek 2.5Gb Ethernet, Wi-Fi 7, rear USB 5Gbps Type-A, front USB 5Gbps support
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware

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

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Best Seller Ranking	#24 in AMD Motherboards

Model
Brand	ASUS
Model	ROG STRIX B850-A GAMING WIFI R2

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	Supports up to 8000+MT/s(OC)
Maximum Memory Supported	256GB
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) ** Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

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/x4 mode)**
PCI Express 4.0 x16	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 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	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

Onboard Audio
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 * 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.

Onboard LAN
Max LAN Speed	2.5Gbps
Wireless LAN	Wi-Fi 802.11 be
Bluetooth	Bluetooth 5.4

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 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 - 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

Features
Features	Extreme Engine Digi+ - 5K Black metallic capacitors ASUS Q-Design - M.2 Q-Latch - M.2 Q-Release - 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 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

Packaging
Package Contents	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 ROG key chain 1 x ROG Strix stickers 4 x M.2 rubbers Documentation 1 x Quick start guide

Additional Information
First Listed on Newegg	April 15, 2026

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ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

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ASUS ROG STRIX B850-A GAMING WIFI R2 AMD AM5 B850 ATX motherboard with 14+2+1 power stages, DDR5 support with AEMP, WiFi 7, 4x M.2, PCIe 5.0 x16, USB 20Gbps Type-C, ASUS AI Advisor, AI Networking II

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