For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Western Digital 4TB My Cloud - Western Digital 4TB My Cloud is a product of Western Digital, which provides a network-attached storage facility and gives live streaming features exclusively designed for this hardware.
Dropbox - Online Sync and File Sharing
Synology DS216+II - Synology DS216+II is a great data integration hardware which is provided by Synology Technologies.
Google Drive - Access and sync your files anywhere
OpenIO - OpenIO SDS is an Open Source Software-Defined Object Storage solution with integrated Serverless Computing
Mega - Secure File Storage and collaboration