Hitachi Global Storage Technologies (Hitachi GST) was a wholly owned subsidiary of Hitachi, Ltd. until it was sold to Western Digital in 2011. Hitachi GST developed hard disk drives, enterprise-class solid state drives, and external storage solutions and services used to store, preserve and manage the world’s most valued data. Founded by the pioneers of hard drives [http://www.hitachi.com/New/cnews/E/2003/0106a/], Hitachi GST provided storage for a broad range of market segments, including Enterprise, Desktop, Mobile Computing, Consumer Electronics and Personal Storage. Hitachi GST was formed in 2003 from the strategic merger of the storage technology businesses within IBM Corporation and Hitachi, Ltd [http://www.expertreviews.co.uk/general/25916/hitachi-buys-ibm-disk-drive-business]. In March 2011, Western Digital announced it would acquire the global storage unit of Hitachi, Hitachi Global Storage Technologies, for $4.3 billion.==Brands==Hard Drives and Solid State Drives* [http://www.hitachigst.com/internal-drives/enterprise/ 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 Fiber Channel and SAS SSDs.* Deskstar – Desktop-class line in 3.5-inch form factor with PATA and SATA interfaces.* Travelstar – Mobile-class line in 2.5-inch form factor with PATA and SATA interfaces.* [http://www.hitachigst.com/internal-drives/automotive-industrial/ Endurastar] – Ruggedized line in 2.5-inch form factor with PATA interface, primarily for automotive applications.* [http://www.hitachigst.com/internal-drives/consumer-electronics/ Cinemastar] – 3.5-inch and 2.5-inch form factors, optimized for consumer electronics applications requiring quiet operation and streaming support. - Source: Wikipedia