whats the requirements of a server for store and manage solidworks projects

hi, my have a little NAS that can store all the solidworks projects, the problem is, when the technicians have to work with any project , they have several hours for work with the projects.

then my company have to buy a server to storage and works with all the solidworks project in the office.

i need to know what hardware specs, have to need the server , to work and storage the solidworks projects throught the lan of my office.

requirements of: 

cpu

memory

disks

lan controller 

thankyou

SolidworksSolidworks Pdm/enterprise Pdm