TRENDnet TEW-644UB Driver Download (Official)

TRENDnet Drivers

The TEW-644UB is a network device manufactured by TRENDnet. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "" has been downloaded 181 times with a user rating of 5 out of 5 stars, based on 6 reviews. The total disk space used for this update is 7.0 MB.

6 Ratings (see all reviews)

Supported Models


802.11 n/g/b Wireless LAN USB Adapter

802.11N Wireless USB Adapter

802.11b/g/n USB Wireless Network Adapter

802.11n Network Adapter

802.11n USB Wireless Card

802.11n/b/g Mini Wireless LAN USB2.0 Adapter

802.11n/b/g Wireless LAN USB2.0 Adapter


Supported Operating Systems

Not Applicable

File Name

Versions (2008-04-21) via .inf (2008-04-21) via .inf

Additional Notes


Driver File

Uploaded By

Karthikkumar (DG Staff Member) on 24-Oct-2008

Most Helpful Reviews

Tested on Windows 10
6 Jan 2024
(6 minutes after download)

Installation: 5 out of 5
Stability: 5 out of 5
Compatibility: 5 out of 5
"Not a recognized creator but I ran anyway. Worked great."
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See all TRENDnet TEW-644UB ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Driver/Win2KXP/ 15.3 KB 1 Sep 2008
Driver/Win2KXP/rt2870.inf 73.1 KB 5 May 2008
Driver/Win2KXP/rt2870.sys 564.5 KB 21 Apr 2008
Driver/WinVista/x64/ 15.3 KB 1 Sep 2008
Driver/WinVista/x64/netr28ux.inf 43.6 KB 5 May 2008
Driver/WinVista/x64/netr28ux.sys 748.0 KB 21 Apr 2008
Driver/WinVista/x86/ 10.8 KB 1 Sep 2008
Driver/WinVista/x86/netr28u.inf 43.1 KB 5 May 2008
Driver/WinVista/x86/netr28u.sys 604.2 KB 21 Apr 2008
Driver/WinXP64/ 15.4 KB 1 Sep 2008
Driver/WinXP64/rt2870.inf 73.9 KB 29 Jul 2008
Driver/WinXP64/rt2870.sys 739.8 KB 21 Apr 2008
Utility/Setup.exe 6.8 MB 5 Sep 2008

How to Update TEW-644UB Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the TEW-644UB driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter TRENDnet TEW-644UB into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the TRENDnet Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the TRENDnet website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with TRENDnet. All company names/logos are properties of their owners.
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