EMC said American Express Co. has also signed a multiyear contract for the new services.

A spokeswoman for New York-based American Express said the company hopes the program can increase its flexibility and improve its cost structure for data storage.

The new entry-level disk backup system, the Clariion DL210, has a capacity of between 4TB and 24TB.

It's a Small World

"An entry-level box for a smaller enterprise is a very good idea," said John Halamka, CIO at Harvard Medical School and CareGroup Healthcare System in Boston.