Is there a reason you're looking to use something other than the supplied power adapter? If anything goes wrong, that is the most likely question you will get before receiving support. (I know this isn't part of your question per se, but it's important for this reason.)
That being said, any 5V USB-A power supply of at least 2A is likely to work. A USB-C power supply may not, as some have found (at least with the C-8; I don't think this changed with the C-8 Pro) that some USB-C adapters are a bit too smart to negotiate any power to the hub at all. There are some older topics on this subject:
