Hitachi Data Systems

HGST, Inc. (formerly Hitachi Global Storage Technologies) is a wholly owned subsidiary of Western Digital that sells hard disk drives, solid-state drives, and external storage products and services.

Hard drives and solid-state drives

Ultrastar HUA723020ALA640

Decoding the meaning of the different classes of Hitachi drives and their intended uses

• Ultrastar – Enterprise-class line of 3.5-inch and 2.5-inch HDDs with SCSI, Fibre Channel, SAS, and SATA interfaces; and a line of 3.5-inch and 2.5-inch Fibre Channel and SAS SSDs.
• Deskstar – Desktop-class line in 3.5-inch form factor with SATA interfaces.
• Travelstar – Mobile-class line in 2.5-inch form factor with SATA interfaces.
• Endurastar – Ruggedized line in 2.5-inch form factor with PATA or SATA interfaces, primarily for automotive applications.
• Cinemastar – 3.5-inch and 2.5-inch form factors, optimized for consumer electronics applications requiring quiet operation and streaming support