DeviceInBox

Prolific PL2321 USB CDC Serial Port driver

Hardware ID USB\VID_067B&PID_2321

Vendor
Prolific (VID 067B)
Device
PL2321 USB CDC Serial Port (PID 2321)
Bus
USB
Drivers
3
Windows
Windows 10Windows 11

Recommended driver

Prolific PL2303GC USB-to-Serial Driver
Version 5.2.12.0 · Jul 7, 2026 · Windows 11 · 64-bit
Get driver

All drivers for VID_067B&PID_2321

DriverVersionDateWindowsBits
Prolific PL2303GC USB-to-Serial Driver 5.2.12.0 Jul 7, 2026 Windows 11 64-bit
Prolific PL2303GC USB-to-Serial Driver 5.1.12.0 Jun 7, 2026 Windows 10, 11 32-bit & 64-bit
Prolific USB-to-Serial Comm Port (COM3) Driver 3.9.1.0, 3.8.41.0, 5.1.3.0 Nov 11, 2021 Windows 10, 11 32-bit & 64-bit

Is this your device?

  1. Press Win + X and open Device Manager.
  2. Right-click the device (usually under Other devices, with a yellow mark), choose Properties and open the Details tab.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_067B&PID_2321, the drivers above are for your device.

More about hardware IDs · Fix common device errors

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