Thank you very much for the reply, the exchange
Ketron Audya on SD90 + pendrive is a big investment, but it's probably worth it Regards

Well, I have become the owner of the Ketron SD90 Feel the fresh styling, but there are still big shortcomings of what Audya had .. The question arises - you can update the repertoire with additional Audya pendrives - 10 pieces, but I noticed that the SD90 has only 8 GB of free disk space Can anyone calculate how much space are Audya USB flash drives - 10 pieces? Or can they be installed on an external SD card?
Installation of an additional SSD disk is impossible due to the protection

I just found out that I should install an additional 10 pcs Audya Styles flash drive, Ajmsonic etc on an additional internal drive. Unfortunately, the instrument is under warranty and I have to wait 1.5 years; ( Ketron can make life difficult ...