WCH CH340 USB-Serial Driver 2.1.2025.07
Driver package for Windows 10, 11, 32-bit & 64-bit, ARM64. Released Jul 19, 2025.
- Manufacturer
- WCH
- Version
- 2.1.2025.07
- Release date
- Jul 19, 2025
- Windows
- Windows 10Windows 11
- Architecture
- 32-bit & 64-bit, ARM64
- Size
- 228 KB
- Hardware IDs
- 35 supported (see list)
- Category
- Ports (COM / LPT) › WCH.CN
Download
wch-ch340-usb-serial-driver-2.1.2025.07-x86-x64-arm64-cb95dfc4.cab
How to install
- Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
- The driver comes as a
.cabpackage. Open Command Prompt as administrator in the download folder and unpack it:mkdir C:\Drivers\pkgexpand -F:* wch-ch340-usb-serial-driver-2.1.2025.07-x86-x64-arm64-cb95dfc4.cab C:\Drivers\pkg
(Alternatively, double-click the.cabfile, select all files and copy them to a folder.) - Install the driver with
pnputil /add-driver C:\Drivers\pkg\*.inf /install. You can also do it from Device Manager: right-click the device, choose Update driver, then "Browse my computer for drivers" and selectC:\Drivers\pkg. - Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.
Supported hardware IDs
This driver package declares support for 35 device IDs. Open an ID to see every driver available for that device.
| Hardware ID | Device |
|---|---|
| USB\VID_1A86&PID_55D2&MI_00 | WCH USB-Enhanced-SERIAL-A CH342 |
| USB\VID_1A86&PID_55D2&MI_02 | WCH USB-Enhanced-SERIAL-A CH342 |
| USB\VID_1A86&PID_55D3 | WCH USB-Enhanced-SERIAL CH343 |
| USB\VID_1A86&PID_55D5&MI_00 | WCH USB-Enhanced-SERIAL-A CH344 |
| USB\VID_1A86&PID_55D5&MI_02 | WCH USB-Enhanced-SERIAL-A CH344 |
| USB\VID_1A86&PID_55D5&MI_04 | WCH USB-Enhanced-SERIAL-A CH344 |
| USB\VID_1A86&PID_55D5&MI_06 | WCH USB-Enhanced-SERIAL-A CH344 |
| USB\VID_1A86&PID_55D8 | WCH USB-Enhanced-SERIAL CH9101 |
| USB\VID_1A86&PID_55D4 | WCH USB-Enhanced-SERIAL CH9102 |
| USB\VID_1A86&PID_55D7&MI_00 | WCH USB-Enhanced-SERIAL-A CH9103 |
| USB\VID_1A86&PID_55D7&MI_02 | WCH USB-Enhanced-SERIAL-A CH9103 |
| USB\VID_1A86&PID_55DF&MI_00 | WCH USB-Enhanced-SERIAL-A CH9104 |
| USB\VID_1A86&PID_55DF&MI_02 | WCH USB-Enhanced-SERIAL-A CH9104 |
| USB\VID_1A86&PID_55DF&MI_04 | WCH USB-Enhanced-SERIAL-A CH9104 |
| USB\VID_1A86&PID_55DF&MI_06 | WCH USB-Enhanced-SERIAL-A CH9104 |
| USB\VID_1A86&PID_55D6 | WCH USB-BLE-SERIAL CH9143 |
| USB\VID_1A86&PID_55DA&MI_00 | WCH USB-HiSpeed-SERIAL-A CH347 |
| USB\VID_1A86&PID_55DA&MI_02 | WCH USB-HiSpeed-SERIAL-A CH347 |
| USB\VID_1A86&PID_55DB&MI_00 | WCH USB-HiSpeed-SERIAL-A CH347 |
| USB\VID_1A86&PID_55DD&MI_00 | WCH USB-HiSpeed-SERIAL-A CH347 |
| USB\VID_1A86&PID_55DE&MI_00 | WCH USB-HiSpeed-SERIAL-A CH347F |
| USB\VID_1A86&PID_55DE&MI_02 | WCH USB-HiSpeed-SERIAL-A CH347F |
| USB\VID_1A86&PID_55E9 | WCH USB-Enhanced-SERIAL CH9111 |
| USB\VID_1A86&PID_55EA&MI_00 | WCH USB-Enhanced-SERIAL-A CH9111 |
| USB\VID_1A86&PID_55EA&MI_02 | WCH USB-Enhanced-SERIAL-A CH9111 |
| USB\VID_1A86&PID_55E8&MI_00 | WCH USB-Enhanced-SERIAL-A CH9114 |
| USB\VID_1A86&PID_55E8&MI_02 | WCH USB-Enhanced-SERIAL-A CH9114 |
| USB\VID_1A86&PID_55E8&MI_04 | WCH USB-Enhanced-SERIAL-A CH9114 |
| USB\VID_1A86&PID_55E8&MI_06 | WCH USB-Enhanced-SERIAL-A CH9114 |
| USB\VID_1A86&PID_55E7&MI_00 | WCH USB-HiSpeed-SERIAL-A CH339 |
| USB\VID_1A86&PID_55E7&MI_01 | WCH USB-HiSpeed-SERIAL-A CH339 |
| USB\VID_1A86&PID_55EB&MI_00 | WCH USB-Enhanced-SERIAL-A0 CH346 |
| USB\VID_1A86&PID_55EC&MI_00 | WCH USB-Enhanced-SERIAL-A2 CH346 |
| USB\VID_1A86&PID_55EC&MI_02 | WCH USB-Enhanced-SERIAL-A2 CH346 |
| USB\VID_1A86&PID_7523&REV_8234 | QinHeng Electronics HL-340 USB-Serial adapter |
Other drivers for this hardware
| Driver | Version | Date | Windows |
|---|---|---|---|
| WCH CH341 USB-Serial Driver | 3.9.2024.09 | Sep 16, 2024 | Windows 11 |
| WinChipHead USB-SERIAL CH340/CH341 Driver | 3.6.2021.12 | Dec 1, 2021 | Windows XP–11 |
| WinChipHead USB-SERIAL CH340/CH341 Driver | 3.5.2019.1 | Jan 30, 2019 | Windows XP–10 |
| USB RS232 Drivers | 3.8.25.0, 3.8.12.0 | Mar 3, 2017 | Windows XP–10 |
| USB-SERIAL CH340 | 3.4.2014.08 | Aug 8, 2014 | Windows XP–10 |
| WCH.CN PCI - SERIAL Drivers | 3.4.2014.08 | Aug 8, 2014 | Windows XP–10 |