Service & support options: Free telephone support for basic set up, installation, and troubleshooting in North America, Europe, and Asia Pacific duringoptional HP Supportpack for 4-hour response during standard business hours; optional HP Supportpack for 24 hours a day, 7 days a week; optional HP Supportpack for comprehensive technical supportOne-year limited hardware90 day - 24 hours a day, 7 days a week phone supportstandard statement: Except when purchased as part of a system, HP warrants your graphics peripheral hardware product against defects in materials and workmanship for a period of one year from receipt by the end user (proof of purchase required). If HP receives notice of such defects during theperiod, HP will either, at its option, repair or replace products that prove to be defective.