Eathtek New Laptop Keyboard with Backlit for Samsung NP900X4C 900X4C NP900X4B 900X4B NP900X4D 900X4D, compatible with part numbers HMB8811GSA 100K0026 C8811A0123M0488 Black US Layout (Note: The part# may be different) Brand New 6 months quality warranty Ribbon cable comes with keyboard