We've now added Pegasus R4i support in Windows. Requires driver version 6.2.0.10, Windows Promise Utility 2.04.000.30. or higher.  

 

The Windows driver 6.2.0.10 is embedded with the latest update for Windows. 

 

You can download the Promise Utility in the link below:

https://www.promise.com/us/Support

 

Apple KB for Windows 10 installation:

https://support.apple.com/en-us/HT201468