Click a Nerd
Microsoft Windows Driver Package

KSPN - Bus Controllers and Ports - Keyspan USB Serial Adapter Driver

This driver package is mapped in the Click a Nerd database to Windows hardware ID USB\VID_06CD&PID_0121. The compatibility records below show every cached Windows target and Hardware ID currently associated with this same Driver GUID.

Driver Package
Package File
20358666_f12181b1ef5bb6d860bb23427002de1fed7d1579.cab
Catalog Architecture
AMD64
Package Type
CAB
Driver Name
KSPN - Bus Controllers and Ports - Keyspan USB Serial Adapter
Driver Version
Release Date
Driver GUID
96939879-22a7-4d6e-b910-04fb714d66ff
OS Classification
LEGACY
Last Verified
10/1/2026 6:57:04 AM
Microsoft Driver Download
This package URL points to Microsoft's Windows Update download infrastructure. The CAB is the underlying package associated with this Driver GUID.
Download Microsoft Driver Package
Verified Cached Compatibility
Windows TargetArchitectureHardware IDMatched IDMatch
Windows 1064-bit (x64)USB\VID_06CD&PID_0121USB\VID_06CD&PID_0121Exact Hardware ID
Windows 11 24H264-bit (x64)USB\VID_06CD&PID_0121USB\VID_06CD&PID_0121Exact Hardware ID
Compatible Hardware IDs
USB\VID_06CD&PID_0121
Microsoft Catalog Product Classification

Windows 7 , Windows 8 , Windows 8.1 and later drivers , Windows 10 Creators Update and Later Servicing Drivers

This is the product classification stored with the Microsoft Catalog result. It is shown separately from the Click a Nerd cached compatibility records above.

What Is This Hardware ID?

USB\VID_06CD&PID_0121 is the Windows Plug and Play Hardware ID used for this cached match.

Windows uses Hardware IDs to identify installed devices and match them with compatible driver packages. Click a Nerd maps the Hardware ID to the Microsoft Catalog package identified by Driver GUID 96939879-22a7-4d6e-b910-04fb714d66ff.

How to Install a CAB Driver
  1. Download the CAB package from the Microsoft-hosted link above.
  2. Extract the CAB contents to a folder on the computer.
  3. Open Device Manager and locate the device you are updating.
  4. Choose Update driver, then Browse my computer for drivers.
  5. Select the extracted folder and allow Windows to locate the matching INF for the device.
Technical Match Details
Canonical Hardware ID
USB\VID_06CD&PID_0121
Matched Hardware ID
USB\VID_06CD&PID_0121
Match Type
Exact Hardware ID
Canonical Cached Target
Windows 11 24H2 • 64-bit (x64)
Package File
20358666_f12181b1ef5bb6d860bb23427002de1fed7d1579.cab
Driver GUID
96939879-22a7-4d6e-b910-04fb714d66ff