Below are the list of different database limits
(1)MSServer 2005 Express edition has database size limit to 4GB
(2)MSServer 2008 Express edition has database size limit to 4GB
(3)MSServer 2008 R2 Express edition has database size limit to 10GB
(4)MSServer 2012 Express edition has database size limit to 10GB
(5)MSServer 2014 Express edition has database size limit to 10GB
(6)MSServer 2016 Express edition has database size limit to 10GB