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🚀 Upgrade Your Desktop WiFi Game — Stay Ahead, Stay Connected!
The TP-Link Archer TX21UH AX1800 WiFi 6 USB Adapter delivers cutting-edge wireless speeds up to 1.8 Gbps with dual band support (2.4GHz & 5GHz). Featuring MU-MIMO and OFDMA for efficient multi-device connectivity, high gain dual antennas for extended range, and WPA3 security for next-level protection, it’s designed for Windows 10/11 desktops. USB 3.0 ensures fast data transfer and easy setup, making it the ultimate upgrade for professionals craving reliable, high-speed internet.
















































| ASIN | B0BZJRXT7X |
| Best Sellers Rank | #3 in USB Computer Network Adapters |
| Brand | TP-Link |
| Built-In Media | Archer TX21UH, Quick Installation Guide, USB 3. |
| Color | Black |
| Compatible Devices | Desktop, Laptop |
| Compatible Operating System Family | Windows |
| Customer Reviews | 4.2 4.2 out of 5 stars (563) |
| Data Link Protocol | USB |
| Data Transfer Rate | 1800 Megabits Per Second |
| Hardware Interface | USB |
| Item Dimensions L x W x H | 1.2"L x 0.58"W x 4.4"H |
| Item Type Name | WiFi Adapter |
| Item Weight | 0.28 Pounds |
| Manufacturer | TP-Link |
| Mfr Part Number | Archer TX21UH |
| Minimum Required Operating System Version | Windows 10 |
| Model Number | Archer TX21UH |
| UPC | 840030706394 |
| Unit Count | 1.0 Count |
| Warranty Description | Manufacture's 2-year warranty |
S**Y
PnP with Driver ready to install on Windows 10 Pro.
Check the box/container label for Version Number as there are 2 versions 1.0 or 1.6 If you remove/uninstall the Driver just go to the TP-Link website to download and reinstall. the Extension antenna is made of thin and lightweight plastic which can easily break. Construction of the device could have used a more rigid enclosure as if stepped on will be crushed. It may take a few extra seconds to connect to your Wi-Fi signal while the PC is first turned on. I don't use the mount/stand as the AX1800 USB adapter is plugged into the rear USB 3.0 port on my desktop. For me , it just one less wire and an item I don't have to fidget with. Wi-Fi 7 should be incoming by 2026 or start to become more popular. Hopefully 6G will become available to replace 5G permitting Wi-Fi 7 to take advantage of better transfer of data. Depending on your Internet Provider and Data Speed if under 800Mbps then Wi-Fi 5 is the most you will need. As Wi-Fi 6 is up to 1.2Gbps and provides new security feature WPA-3. The TP-Link AX1800 (Archer TX21UH) adapter performs well and highly recommended for those with very fast internet speeds up to 1.2Gbps. Bought mine while discounted for the holiday season and it's worth it.
S**F
What's important to know
This wifi works great for my computer with windows 10 and 11. Really fast. Would buy again.
S**S
Super easy setup
Bought this because my WiFi driver corrupted. Plugged this in, downloaded the driver and was able to connect to the WiFi router effortlessly! Was concerned about printer not connecting to computer but that was not an issue. Printed on first try. Would recommend and buy again!
J**I
Just died while stored.
Unit came in, tested it, worked fine on my desktop PC that lacked integrated WiFi, to use with my Starlink (Floridian, storms take out both power and cable regularly). After satisifed that it would work, I stored it for several months, in a secure drawer indoors in my climate controlled house. Had a cable outage, so deployed my Starlink during a cable outage and it was dead, Jim. No power at all, in the cradle or direct to any number of USB ports, including on a laptop.
L**O
Good Signal/Fast Connection but it can be jittery and the ping is inconsistent.
Overall the download speed is great and it is a lot better than my laptop's wifi card however the ping is inconsistent. It also has a problem of randomly disconnecting and reconnecting with seemingly no cause. Good for downloads/steaming but for low ping I wouldn't buy it.
D**I
It's exactly what I needed
Works great!
A**R
ok
ok
D**T
Just awesome ... not much else that can be said
Just purchased a refurbished Dell OptiPlex 7050 Micro Intel i7-6700T computer from EBay. It came with a cheap wifi dongle - after booting the new PC, the network connection was extremely weak and slow (it would drop all the time). I went a head and purchased the TP-Link AX1800 WiFi 6 USB Adapter -- amazing. The wifi doesnt drop and more and I am getting in excess of 120 Mb / second over wifi now. This purchase was worth every cent I paid for it. Really i can recommend this product.
J**R
Works great. Had one hiccup during installation of driver software. This happens if you insert the USB adapter while a Windows update is waiting in the queue. For some reason the installation of the Wifi driver fails. After installing the Windows Update the Wifi Adapter does not show the installer anymore. When this happens copy the installer to a folder on your computer before running the Windows Update. If you forget this step, you can download the installer from the TP-Link website. URL is in the small document that comes with the Wifi Adapter.
Trustpilot
2 months ago
3 weeks ago