So you want to share storage and access to data throughout your network. You are going to need a decent network attached storage solution. The Drobo brand is quite popular in this area. The Drobo 5N 5-Bay NAS Storage Array happens to be an exciting solution that lets you share storage using your network.
Drobo 5N protects your data without any user interaction. Drives can be added or hot-swapped on-the-fly for storage expansion with zero downtime. Drobo protects you from a driver failure and potential data loss. You can attach 5 hard drives to this device.