Is there Server Edition for SEP 12.1.4

 I have SEP EE 12.1.4 running on WIN OS Server 2003/2008 and Win XP environment. One Server is configured as SEPM and 110 Clients are added to that.Now some new Clients are added in the environment which has OS as WIN 2012 Server .The Vendor told to install server edition of SEP .Is this same software applied to others or different software to be loaded?Please guide me