Comparison of Microsoft Windows versions
Windows NT
Columns: Name | Architecture | USB support | LFN support | APIs
Windows NT 3.1 | 32-bit | No | Yes ( NTFS and HPFS volumes only) | Win32, OS/2 , POSIX | Windows NT 3.5 | 32-bit | No | Yes (except on CDFS volumes) | Win32, OS/2, POSIX | Windows NT 3.51 | 32-bit | No | Yes (except on CDFS volumes) | Win32, OS/2, POSIX | Windows NT 4.0 | 32-bit | Yes (if the Ion USB update is installed) | Yes | Win32, OS/2, POSIX | Windows 2000 | 32/64-bit | Yes (USB 2.0 with update or SP4) | Yes | Win32, OS/2, POSIX | Windows XP | 32/64-bit | Yes (USB 2.0 with update or SP1+) | Yes | Win32, .NET | Windows Server 2003 | 32/64-bit | Yes (USB 2.0) | Yes | Win32 | Windows Fundamentals for Legacy PCs | 32-bit | Yes | Yes | Win32 | Windows Vista | 32/64-bit | Yes (USB 2.0) | Yes | Win32, .NET , POSIX (only Enterprise and Ultimate) | Windows Server 2008 | 32/64-bit | Yes (USB 2.0) | Yes | Win32 | Windows Home Server | 32-bit | Yes (USB 2.0) | Yes | Win32 | Windows 7 | 32/64-bit | Yes (USB 2.0) | Yes | Win32, .NET | Windows Server 2008 R2 | 64-bit | Yes (USB 2.0) | Yes | Win32, .NET | Windows Home Server 2011 | 64-bit | Yes (USB 2.0) | Yes | Win32 | Windows Server 2012 | 64-bit | Yes (USB 3.0) | Yes | Win32, .NET , WinRT | Windows 8 | 32/64-bit | Yes (USB 3.0) | Yes | Win32, .NET , WinRT