TP-Link Archer TX20U Plus AX1800 Wi-Fi 6 USB Adapter

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Product guide

TP-Link Archer TX20U Plus AX1800 Wi-Fi 6 USB Adapter

TP-Link Archer TX20U Plus is an AX1800 dual-band Wi-Fi 6 USB adapter for adding or upgrading a Windows desktop or laptop's wireless connection. It pairs adjustable high-gain antennas with a 1-meter USB cable for more flexible placement, and TP-Link recommends a USB 3.0 port for optimal performance.

At a glance

Dual-band Wi-Fi 6 with listed maximum rates of up to 1201 Mbps on 5GHz and up to 574 Mbps on 2.4GHz.
Two adjustable high-gain antennas and beamforming are intended to help with placement and reception.
A 1-meter USB 3.0 cable allows the adapter to sit away from the computer's USB port.
Supports WPA3, MU-MIMO and OFDMA.
Windows 10 and 11 are listed as supported. The listing excludes macOS and Linux.

Price

$21.20Save 39%

Reference price: ~~$34.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The cable and repositionable antennas offer more placement flexibility than a directly plugged-in adapter.
Dual-band support lets compatible networks use either the 2.4GHz or 5GHz band.
WPA3, MU-MIMO and OFDMA are listed, along with Wi-Fi 6 support.

Cons

Optimal performance calls for a USB 3.0 port, so a USB 2.0 connection may not deliver the intended performance.
It is limited to Windows 10 and 11 according to the compatibility claims, with Linux and Mac excluded.

Technical specifications

20 specifications

Identity
Brand	TP-Link
Model	Archer TX20U Plus

Wireless and connection
Wi-Fi generation	WiFi 6
Wireless class	AX1800
Bands	2.4GHz and 5GHz
Maximum listed rate, 5GHz	up to 1201 Mbps
Maximum listed rate, 2.4GHz	up to 574 Mbps
Data transfer rate	1800 megabits_per_second
USB interfaces listed	USB, USB 2.0, USB 3.0
Data link protocol	USB
Supported wireless features	MU-MIMO and OFDMA
Security	WPA3 encryption

Compatibility and setup
Compatible devices	Desktop
Compatible operating system family	Windows
Minimum required operating system version	Windows 10
Additional stated compatibility	Windows 11/10 (32-bit and 64-bit). Not compatible with Linux or Mac.
USB cable	1-meter USB 3.0 cable

Dimensions and installation
Dimensions listed	6.15"L x 3.31"W x 0.76"H
Weight listed	2.88 ounces
Color	Black

What to know before buying

Listing details to confirm

The advertised AX1800 total and band-specific maximums are theoretical listing claims, not guaranteed real-world speeds. Actual speed cannot exceed the connecting router's capability, and the manufacturer recommends a Wi-Fi 6-or-newer router and USB 3.0 for optimal performance. The model details show USB 2.0 and USB 3.0 interfaces, while performance guidance emphasizes USB 3.0. Compatibility wording names Windows 10/11 and excludes Linux and Mac, despite customer feedback mentioning reported Windows 11 compatibility concerns. Confirm compatibility and setup requirements for your computer before buying.

Who is it for?

A good fit for

Windows 10 or 11 desktop users adding Wi-Fi or upgrading an existing wireless connection.
Buyers who want a cabled adapter with adjustable antennas that can be placed away from the computer.
Users with a USB 3.0 port and a Wi-Fi 6-or-newer router who want to make use of the listed dual-band capabilities.

Less suited to

Mac or Linux users, which the product claims list as unsupported.
Buyers who require guaranteed real-world AX1800 throughput or who have no suitable USB 3.0 port for optimal performance.

TP-Link Archer TX20U Plus AX1800 Wi-Fi 6 USB Adapter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 10,757 ratings

5 stars66%66%
4 stars13%13%
3 stars6%6%
2 stars4%4%
1 star11%11%

Customer feedback highlights reported speed improvements, easy installation and stronger signal reception, including accounts of improved range. Other feedback is mixed on reliability, quality, value, network performance and compatibility, with reports of disconnections, poor performance and compatibility trouble. These reports matter especially if you need a dependable daily connection. The claimed Windows 10/11 support and USB 3.0 connection describe intended compatibility and setup, but do not ensure a particular result on an individual computer or network.

Positive themes

Customers report speed improvements and appreciate the installation process.
Some customers describe better signal reception and greater range.

Negative themes

Some customers report frequent disconnections and poor performance.
Compatibility concerns are reported, including with Linux and Windows 11.

Mixed feedback

Customer feedback is mixed on reliability, quality, value for money, network performance and compatibility.

Frequently asked questions

Which computers and operating systems are listed as compatible?

The listing describes use with desktop PCs and laptops running Windows 10 or Windows 11. It says the adapter is not compatible with Mac or Linux.

What wireless speeds does the listing claim?

It lists up to 1201 Mbps on 5GHz and up to 574 Mbps on 2.4GHz. These are manufacturer claims, and actual speed depends on the router and other conditions.

Does the adapter need a USB 3.0 port?

USB 3.0 is recommended for optimal performance. The details also list USB 2.0, but the listing does not quantify performance on that interface.

Can the antennas and adapter be repositioned?

The listing describes adjustable, multi-directional antennas and includes a 1-meter USB 3.0 cable for flexible placement.