Non-clustered Columnstore Indexes are also getting some enhancements in SQL Server 2016. The most notable of these enhancements is the ability to be updated.

Non-clustered indexes can be numerous in SQL Server 2008 I remember from my Sybase days that SQL Server tables could support up to 255 indexes. One clustered index and 254 non-clustered indexes.

It really is going to come down to how many nonclustered indexes you have on the table, how many transactions per second are writing to the table and how the SQL Server's storage is configured.

Non-clustered Columnstore Indexes are also getting some enhancements in SQL Server 2016. The most notable of these enhancements is the ability to be updated.