Serv-U is available in two editions:
Serv-U FTP Server
This edition is designed for small businesses and project teams requiring FTPS to secure FTP, scripted transfers, and a smaller number of users and domains supported on a single server.
Serv-U MFT Server
This edition is designed for businesses of all sizes that need to secure data in transit through SFTP, FTPS or HTTPS. It adds remote administration through web browsers and iPad, authentication through Active Directory or a database, clustering and event-driven automation, and branding. It includes the FTP Voyager JV module for a rich sync and side-by-side web client interface.
Both editions support FTP, web transfer, and mobile devices. Both editions also support the optional Serv-U Gateway module, which is a reverse proxy component that prevents data at rest in a DMZ segment.
For a feature-by-feature comparison of the versions, see the Serv-U FTP Server Editions Information.