| USB Port Monitor | USB Port Monitor | USB Analyzer | FREE Serial Port Monitor | |
| 3.0 | 2.0 | 4.0.259 | 2.8 | |
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| Shareware | Shareware | Shareware | Freeware | Licence |
| $69.95 | $69.95 | $69.95 | FREE | Price |
| 9.72 MB | 8.37 MB | 9.64 MB | 1.35 MB | File size |
| Apr 21, 2015 | Oct 22, 2013 | May 26, 2017 | Jan 11, 2006 | Update |
| 10 | 19 | 16 | 17 | Downloads |
| Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Windows 2003, Windows 8, Windows Server 2012 | Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Windows 2003, Windows 8 | Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Windows 2003, Windows 8, Windows 10, Windows Server 2012 | Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Windows 2003, Windows 8, Windows 10, Windows Server 2012, Windows Server 2016 | OS |
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