KM vs File Server

In our organization we have around 8000 employees.

If I create a foler of each employee in KM ....containing 10 files like photo, passport , some other documents....

So totally I need to create 8000 folders containg 10 files in each ....i,e 80000 files I need to store.

Will it cause in Performance issue?

Can a foler in KM can store 80000 files or any size restriction is there?

Will it be better to store in File Server ?

What are the advantages/ dis advantages if we store in KM over File Server

Thanks ,

Srinivas