The Cudy WU5400 is a USB 3.0 Wi‑Fi adapter that upgrades a desktop or laptop with tri-band Wi‑Fi 6E. It supports 6 GHz, 5 GHz, and 2.4 GHz bands, with verified speeds up to 2,402 Mbps on 6 GHz and 5 GHz, plus 574 Mbps on 2.4 GHz. Two external antennas and Windows 10/11 support make it a practical wireless upgrade for a PC that needs a stronger connection. Driver installation is automatic on Windows 10/11, and 6 GHz requires Windows 10 version 22H2 or later.
Compatibility
Windows 10
Windows 11
USB 3.0 or higher port required for full speed
Frequently asked questions
Which devices and network standards are supported?
It works with Windows 10/11 or later and supports tri-band Wi‑Fi 6E on 6 GHz, 5 GHz, and 2.4 GHz. The 6 GHz band requires Windows 10 version 22H2 or later.
What is required for installation?
You need a USB 3.0 or higher port to get full speed. On Windows 10/11, the driver installs automatically.
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Data sheet
Color
Black
Compatible printers
Windows 10, Windows 11, USB 3.0 or higher port required for full speed
Technology
Wi-Fi 6E
Finish
High-gain
Connectivity
USB-A 3.0
Weight
24.7 g
Dimensions
29.9 x 13.2 x 88.8 mm mm
Specific References
Tri-band Wi‑Fi 6E USB 3.0 adapter for PCs, with two external antennas, up to 2,402 Mbps, and automatic driver setup on Windows 10/11.