Western Digital Corp. engages in the development, manufacture, marketing, and sale of data storage devices and solutions. The company is headquartered in San Jose, California and currently employs 53,000 full-time employees. The company sells data storage devices and solutions in the United States and in foreign countries through its sales personnel, dealers, distributors, retailers, and subsidiaries. The company has two segments: flash-based products (Flash) and hard disk drives (HDD). Flash products provide non-volatile data storage based on flash technology. The company develops and manufactures solid state storage products for a variety of applications including enterprise or cloud storage, client storage, automotive, mobile devices, and removable memory devices. HDD products provide non-volatile data storage by recording magnetic information on a rotating disk. The company develops and manufactures substantially all the recording heads and magnetic media used in its HDD products. Its portfolio of technology and products address multiple end markets.