Quote Originally Posted by umairadmin View Post
So if I go for enhancing capacity on the same server I would have to upgrade everything as in OS, RAM and hard drive. And also Server is more than 4 years old now.
That's a good point, it might well be a good idea to get a new server and re-use the old one as a file server. If you did go for FreeNAS on the file server, the more RAM you can add to it the better - with enough RAM you can get it to do proper real-time block-level deduplication.