ASUS TUF B550M-PLUS WIFI II: which wireless driver to install?

Preserve the full WIFI II model name

This guide covers the Micro ATX TUF GAMING B550M-PLUS WIFI II. The original WIFI model, the non-WiFi board and the full-size B550-PLUS variants have their own support pages.

ASUS specifies 2x2 Wi-Fi 6 on 2.4 GHz and 5 GHz for this model. Its wired connection is Realtek 2.5 Gb Ethernet. A LAN download and a Wireless download therefore target different hardware even when both use Realtek branding.

The documented radio is Wi-Fi 6, not Wi-Fi 6E. A missing 6 GHz network is not something to fix by installing an arbitrary newer package.

Identify the wireless hardware before downloading

Open Device Manager in Windows. Find the wireless adapter, or the unidentified Network Controller if its driver is missing. Open Properties, select Details and choose Hardware Ids.

Keep the complete identifier with the device name and status code. Windows uses hardware IDs to match devices with driver packages. If a machine has been repaired or its wireless module replaced, the installed component may differ from your assumption about the factory configuration.

Do not identify the adapter vendor from the AMD chipset alone. The chipset and wireless device are separate components.

Read the actual ASUS download entries

On 29 October 2026, the official page included MediaTek wireless packages and a Realtek RTL8852BE package. It also listed separate Bluetooth packages. These entries are options for matching hardware, not an instruction to install every vendor's package.

Choose the installed operating system, then read the compatible device and Windows versions for the package. If the hardware identity does not match the entry, stop and check rather than forcing a driver onto the device.

Use the official driver source below for the current downloads. Version numbers and availability may change, so a saved third-party ZIP is not a reliable reference for a later installation.

Complete an offline installation

Download the matching wireless package on another computer, transfer it by USB and extract it on the target PC. Run its installer as documented and restart when requested.

If wired networking is also missing, the board's Realtek LAN package is a separate route to an initial connection. Afterwards, install the corresponding Bluetooth package if required and check both wireless functions independently.

Confirm the fix

Look for the identified adapter without an error in Device Manager, then check whether Windows lists nearby compatible networks. Connect the supplied antennas and check placement if reception is weak.

If the installer finishes but there is still an unidentified controller, record the hardware ID and the exact package used. If networks are visible but one connection fails, investigate that network's configuration. Reinstalling unrelated vendor packages obscures the difference between these problems.