I've to install a GRC PC system in company of 200 employees, they have to control something like 50 processes.
What do you think about the hw requeriments? Are the minimun hw req specified in the NetWeaver installation enought?
For memory requirement and for sizing guidelines, you can refer to the Sizing Guide:
Refer SAP note 1528527- Sizing Guide for PC3.0
Refer SAP note 1613628-Sizing Guide for PC10.0