The Lenovo ThinkCentre M900 is a small form factor desktop computer designed for office, workstation, and casual computing. It features an Intel Core i5  8 GB of RAM, and a 500 GB HDD storage type. The computer comes with integrated Intel HD Graphics and runs on Windows 10 Pro operating system. It has VGA, DisplayPort, USB 3.0, and USB 2.0 connectivity options, as well as an optical drive.