Historical stock prices for Lsi Logic Corp. (LSI). LSI Corporation (LSI) designs, develops and markets storage and networking semiconductors. The Company offers a portfolio of capabilities, including custom and standard product integrated circuits that are used in hard disk drives, solid state drives, high-speed communications systems, computer servers, storage systems and personal computers. LSI provides products for original equipment manufacturer (OEM), companies, in the server, storage and networking industries. In May 2011, LSI sold its external storage systems business to NetApp, Inc. On January 3, 2012, the Company acquired SandForce, Inc. The storage products provides secure movement of digital data to and from host machines, such as servers, personal computers and storage systems to the underlying storage devices, such as hard disk drives, tape drives and flash solutions.