This HP Engage One All-in-One System Model 145 is available for purchase as parts only. It is designed to provide a complete PC-based system for retail store owners who want to streamline their operations. The system includes a variety of features such as inventory management, order processing, and accounting. The brand of this system is HP and the model number It falls under the category of retail systems in the business and industrial sector. This system is perfect for those who want to automate their retail store operations and streamline their workflow.///this unit its PREOWNED tested unit powers up ‘ selling for parts or to be repair// no power adapter///see images ///NO HARD DRIVE//