Yes, there is no better choice than to install Givi or Kappa (those are 1:1 similar) support system and then you have some choice to use different hard cases from both manufacturers.
You can install also the top case support only, if you consider the side supports to be too ugly and spoil the looks of the bike. This will have some limitations ofcourse, but for everyday commuting or shorter weekend trips it may be well sufficient to use only the top case. I have 2 different top cases, 45L and 30L variants I use depending for how long I drive.