I didn't see anything in regards to low latency performance from the reviewer , but I did note this.
...... 10 ms roundtrip and 64 samples...pretty darn good!
That is pretty much double the RTL the RME USB2 devices deliver , so I suspect not only large added safety buffers but also double buffering on playback.
Personally, after reading that I'd take anything the reviewer reports with a grain of salt.., or 3... :-)
I'll try and get a hold of a Octo/Quad unit to put thru its paces.