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Use the links on this page to download the latest version of CM640ET/CM640U drivers. All drivers available for download have been scanned by antivirus program. Please choose the relevant version according to your computer's operating system and click the download button.

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System Information

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CM640ET/CM640U Drivers Download


  • Driver Version: 6.3.9600.16384
  • Release Date: 2006-06-21
  • File Size: 360.91K
  • Supported OS: Windows 8.1 64bit

  • Driver Version: 6.1.7600.16385
  • Release Date: 2006-06-21
  • File Size: 356.32K
  • Supported OS: Windows 7 64bit

  • Driver Version: 6.1.7600.16385
  • Release Date: 2006-06-21
  • File Size: 350.69K
  • Supported OS: Windows 7 32bit