Check out www.servethehome.com

They (just him?) did a whole load of SFF / 1 Litre reviews a while ago - it’s probably better (easier) to watch his youtube channel as then you actually get to see what he’s talking about.

He also covers some of those “brandnames” and addresses some differences when they ordered identical devices and compared what was received.

Depending on what your future plans are, some of the newer boxes are multi-NIC multi-Gb devices so you might find something “better” there.