MSSQL: Change initial size for tempdb data files

/*Modify tempdev files' size [from 1024MB] to 2048MB*/
USE [master]
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev2', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev3', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev4', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev5', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev6', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev7', SIZE = 2097152KB )
GO
ALTER DATABASE [tempdb] MODIFY FILE ( NAME = N'tempdev8', SIZE = 2097152KB )
GO
/*End of script*/