I wouldn't be surprised if it hasn't improved somewhat in the last year or so, but often this depends on improvements to USB-3 in the kernel as well as firmware upgrades in the Audio devices themselves, since many people run LTS-style distros with slightly older kernels and since many Linux users don't have access or prefer not to use a Mac or Windows for firmware upgrades on their devices I think it's just good advice to get started with what is known to work in most cases (ie supported hardware on USB-2) rather than roll the dice on spotty and developing support on USB-3. I guess mileage varies depending on hardware, system configuration and so on. It's interesting to hear that in your experience this is still the case because there are varying opinions and claims about the topic. Most class compliant USB Audio devices on Linux are still USB-2 and will work best with USB-2 ports Yes I realise that people will sneer and say it's consumer audio and not "pro" but these soundcards are no worse than many of the hyped brands marketed as "professional" selling for a lot more money and their performance is very competitive.įorget about USB-3 interfaces with Linux at this point, many are poorly supported on USB-3 even with Windows (Presonus 1818VSL for a popular example). I don't own this but have used it briefly and they work under Linux. The 9652 HDSP only makes sense if you get one cheapish, ie pay no more than $150 for one. PS, definitely don't go and spend $600 on a PCI Audio Interface.
Low-latency operation is OK (works reasonably well when set to 128 frames) but it is not as stellar as the UMC404. I don't know whether my situation is unique or whether others have experienced similar issues. This xrun problem on the 9652 goes away when separate USB MIDI interfaces are used instead of the onboard MIDI. RME9652 HDSP (PCI) audio side works OK but sending MIDI to its integrated MIDI interfaces cause xruns under Linux. I don't know what the situation is with the UMC404 HD or how well it works under Linux. Behringer UMC404 works well under Linux even with low latency (64 frames) settings. Some additions for the list of devices I own and tested: To be fair I think this list is probably current up to 6 months ago and is about as comprehensive as anything else you'll find out there, Of course the data is only as complete as the Users who have taken time to submit but as you can see it has been a very active thread. I have a PDF compiled by 'piklik' an AV Linux user based on this forum thread (note the thread had some additions not added to the PDF yet):
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