Difference between Isilon H500/A200 model and powerscale OneFS model

We are planning to ugrade Isilon H500/A200 model running on 9.2.1.7, available latest version for these models 9.2.1.12, however for powerscale OneFS latest version is 9.4, so the question is it ok to upgrade to 9.4 or 9.2.12? as we are saying isilon rebranded to powerscale onefs but these are showing as different poducts in the portal, please pour your views and suggestions on this.