What should my HW version Be on my RNS-E

Depends on manufacturing tbh, why does this bother you?
 
There is no noticeable difference in hw versions interms of feature set, whether they used different sd, dvd, mobo manufacturers within the different versions, whose to know without stripping it down, which is usually the reason for part number changes of the same exact item from vag, but yours will be the same as any mk2 unit, so you arent losing or gaining anything.