Frequently criticized
A user reports that the Digiface Dante does not supply FX (EQ, Compressor, Reverb, Echo) through TotalMixFX when used over USB alone. They had to add a separate MADI FX PCIe card just to access FX processing in the software.
Frequently criticized
The same user says the FX limitation is technically documented on RME's website and manual, but was hard to find. They describe the advertising and at least one promotional video as quite deceptive on this point.
Frequently criticized
One commenter states that when used directly with a console via SuperRack and the Waves port, the unit is effectively doing nothing extra useful, does not unload processing power from the computer, and just adds another layer of latency.