In today's mid-sized data center, new technologies are competing with tape for the favors of an I.T. staff struggling to support a rapidly expanding storage base while protecting the assets of the enterprise. The purpose of this bulletin is to review these new technologies against the value of retaining, or upgrading, your current tape environment. To do this, it establishes a framework of comparison - using a backup/recovery and archive scenario - between the latest disk technologies and the latest iteration of tape storage, LTO-4 technology.