This is an article on ways to use digital storage, especially solid state storage, to save power in data centers.

FORBES: Pumping Iron and Keeping Cool

Flash as a form of solid state storage is much faster for reading and writing data than the spinning disks in traditional disk drives.

FORBES: Why Storage Technology Is Disrupting The Enterprise

The flash cache is used to store frequently accessed data providing the fast data response found in solid state drives while the hard disk storage provides low cost storage.

FORBES: New Seagate Solid State Hybrid Drive is Faster and Vaster