Silicon Motion Technology Corp is active in the semiconductor industry and primarily focus on designing, developing and marketing of controllers for managing NAND (negative-AND) flash used in embedded storage applications, such as eMMC embedded memory. The company also develops SSDs (Solid State Drives) and expandable storage applications such as flash memory cards and USB flash drives, customized specialty SSD solutions, specialty RF (radio frequency) ICs (integrated circuits) used in mobile devices. The company operates in the single segment of Developing NAND flash, SSDs and expandable storage applications. Silicon earns the majority of the revenue from Korea.