Easy to deploy, sleek, & feature-rich, the HP Pro One 400 50, 8 cm (20") All-in-One PC with business-class collaboration, manageability, & security features is a sound investment. ** Expand with ease** Easy access to critical parts, rigorous testing, & HP temperature control technology helps ensure your Ai O withstands tough work environments. ** Simplify device management** Reduce the complexity of administration. HP Touchpoint Manager, Windows 10 manageability features, & HP Common Core BIOS help you easily manage assets. ** Several deployment options** Pair this space-saving Ai O with the stand option to fit your workspace & use case. ** Cut out the chatter** Help suppress ambient noise including keyboard clicks with HP Noise Reduction Software. ** Give your speakers a boost** DTS Sound+ lets you make the most of virtual conferencing. ** Communication made easy** Make conferencing from your PC as simple as the touch of a button with the optional HP Conferencing Keyboard. ** Customized protection** HP BIOSphere & HP Client Security help keep critical data & systems protected with customizable security.