What is hp pro one 400?

The HP ProOne 400 is a stylish All-in-One PC designed for small businesses and professionals. It features a 20-inch widescreen display, Intel Core i3/i5/i7 processor, up to 8GB of RAM, and up to 1TB of storage. The computer also comes with Windows 10 Pro pre-installed, and includes a built-in webcam and microphone for video conferencing. Other features include Wi-Fi and Bluetooth connectivity, USB 3.0 and HDMI ports, and a variety of security features to help protect your data. The HP ProOne 400 is an efficient and cost-effective solution for businesses in need of an all-in-one PC.