Driver NameOperating
System
Release Date
Version
Link

Silabs USBXpress Driver

Windows XP, Windows Vista, Windows 7
2010-07-14
v.3.3

Silicon Labs CP210x device Driver

Windows 7, Windows 8, Windows 8.1, Windows 10
2016-09-19
v.6.7.4.261

Silicon Labs ELM327 USB Drivers for CP210x

Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1
2014-03-19
v.6.7.0.0

Silicon Labs CP210x USB to UART Bridge Drivers

Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10
2016-03-28
v.6.7.3.350

Silicon Labs CP210x USB to UART Bridge Driver

Windows 10, Windows 11
2022-10-04
v.11.2.0.167

Silicon Labs CP210x Universal Windows Driver

Windows 7, Windows 8, Windows 8.1, Windows 10
2021-01-08
v.10.1.10.103, v.6.7.6.2130

Silicon Labs drivers for peripheral and development hardware are grouped here: USB-to-UART (CP210x) Virtual COM Port drivers, USBXpress interface drivers, Zigbee/Thread radio dongle interfaces (EFR32 family), DFU/bootloader utilities and board-support drivers for Simplicity Studio-compatible kits. Packages target Windows (32/64-bit), macOS and common Linux distributions and are provided as installers, .dmg files or tarballs that include udev rules and kernel modules when required.

Downloading: each entry links to the vendor-signed installer, release notes and checksum where available. Installation: run the platform-specific installer or extract and load modules; Linux installs may require adding udev rules and using modprobe. Compatibility: verify device IDs, OS version and hardware revision before installing—most current drivers are backward-compatible, while legacy builds are retained for older chips. Each package page includes installation steps, changelog and basic troubleshooting advice.