SAMSUNG C34H890WGU LC34H890WGUXEN T-CON BOARD S340YP04V01_HF_CONTROL This item is an unused main board that was extracted from a brand new broken screen AOC 27G4X monitor. It will NOT work with any other model so please check to make sure it is compatible. If you have any questions, please contact us and we will be happy to assist you in any way we can. Warranty 6 Month Warranty