I bought one, it's so easy even a blackbeard could do it! (j/k)
I've never heard anybody really have to fix them, to be honest. But if you do, everything is socketed, all components are readily available and Pascal will help if necessary.
A new X4 won't solve all the connector problems you are likely to encounter though. Just be aware of that. Not a hard fix, just a time consuming PITA.