The thin, light, tough design of the HP ProBook 430 gives mobile professionals powerful tools to stay productive on the go. Equipped for productivity, this ProBook delivers the performance and security features essential for today's mobile workforce. Travel in style with the 33.8 cm (13.3 inch) diagonal HP ProBook 430 with a new gravity black LCD cover design. Confidently take on the day with a PC built with an aluminum reinforced keyboard deck and 120,000 hours of HP Testing. Rest easy with a ProBook that endures 120,000 hours of testing to help ensure reliability in the most demanding work environments. Help protect your ProBook from minor spills with a spill-resistant HP Premium Keyboard. The hardware root of trust BIOS design inspects the integrity of the BIOS code during each boot verifying the code ensuring only HP approved code executes at start-up.