Version 3.12 suffered from intermittent dropouts on higher channel counts (e.g., 14-in recording). V3.20 addressed buffer underrun issues, particularly at 48 kHz / 24-bit.
: Soundcraft Si MultiDigital and other Si Option Cards. Installation Guide for Windows 10 & 11 soundcraft multichannel usb audio driver v3.20
While the Ui series is primarily controlled via a web browser, the USB-B port on the rear panel provides multi-track recording. With driver v3.20, the Ui24R becomes a 24x22 interface. Version 3
: Optimized for Windows to ensure minimal delay when monitoring live inputs through software effects. Full Multi-Track Access soundcraft multichannel usb audio driver v3.20