July 22, 2020

Via Edgar

U.S. Securities and Exchange Commission (“Commission” or “Staff”)

c/o Ms. Melissa Raminpour and Ms. Heather Clark

Division of Corporation Finance

Office of Manufacturing

Washington, DC 20549

Dear Ms. Raminpour and Ms. Clark:

Reference is made to the letter received from the Commission dated July 9, 2020 regarding the Form 20-F for the year ended December 31, 2019 (the “Form 20-F”) and Form 6-K dated April 29, 2020 of Silicon Motion Technology Corporation (the “Company”).

Please allow this letter to confirm, as per discussions yesterday between Ms. Clark and our primary outside counsel from K&L Gates LLP, that the Company will respond to the above referenced letter by or before August 6, 2020.

Should you have any questions or wish to discuss the foregoing in further detail, please feel free to contact the undersigned.