WCH CH340x/CH341x USB to Serial 3.9 (Windows 11/10/8/7)

By oemadmin on Last Modified: Jan 5, 2026
WCH CH340x/CH341x USB to Serial 3.9 (Windows 11/10/8/7)
🧱 Device
Port Devices
🏗️ Manufacturer
WinChipHead (WCH)
CPU/Chipset(s)
WCH CH340G
WCH CH340T
WCH CH340C
WCH CH340E
WCH CH340B
WCH CH341A
WCH CH341T
WCH CH341B
Version:
3.9
Port(s)
USB
RS-232 (DB9)

This is the latest version of the WCH drivers for the CH340 and CH341 series USB to Serial version 3.9 as provided by WCH. The assumption is made that you are using a genuine WCH based device, as there are many counterfeit/inferior chips on the market. Drivers below are in either and .exe installer or a .zip file that can be extracted in Windows or with a compression utility like 7zip.

WCH CH340/341 VCP Driver

File: CH341SER.EXE

⬇ Download ⚡ Fast Mirror
Operating System: Windows 11/10/8.1/8/7/Vista/XP File Size: 829 KB Driver Version: 3.9 Driver Type: USB Driver File Extention: .exe
SHA-256 Checksum: 48786874323699bb49061a652a6ceae9b7e16360d4de0046f9e0091738566f82

WCH CH340/341 VCP Driver

File: CH341SER.ZIP

⬇ Download ⚡ Fast Mirror
Operating System: Windows 11/10/8.1/8/7/Vista/XP File Size: 746 KB Driver Version: 3.9 Driver Type: USB Driver File Extention: .zip
SHA-256 Checksum: a7b08baaaf9b0e8548ffbab2a91fab8c75595f8d63a42a490fbf3fd1e747e21c

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