LSI provides a wide variety of integrated controllers to meet your design needs. From legacy ICs to the latest SCSI and SAS (Serial Attached SCSI) technologies, our controllers stand up to the most demanding applications and environments. Our products offer high capacity, intelligent storage across server platforms and external storage systems.
Learn more about our next-generation SAS technology.

LSI SAS controllers are based on Fusion-MPT™ architecture, the industry's leading high-performance architecture, and enable Integrated RAID solutions in storage environments.

LSI SAS expanders provide the functionality for connecting initiators and targets for greater scalability and flexibility.

SCSI has become the industry standard for the high-speed demands of video and other storage-intensive applications. LSI offers controllers for almost any imaginable SCSI scenario.

LSI SCSI bus expanders allow you to manage bus loads across all SCSI buses while maintaining the integrity of legacy firmware and software.

LSI delivers enterprise class SAS-to-SATA protocol bridge products based on fifth generation LSI AAMUX® technology supporting 6Gb/s SATA drives and 6Gb/s SAS host connect.