Stay productive without taking up too much space with the Lenovo ThinkCentre M900 Tiny Desktop Computer. It features a tiny design that has a small footprint, which provides you with more desk space. You can connect to an external display via DisplayPort. The system is powered by a 2.5 GHz Intel Core i5-6500T Quad-Core processor. It also has 8GB of DDR4 RAM, a 256GB SSD, Ethernet, 802.11ac Wi-Fi, Bluetooth 4.0, and USB 3.0. A USB keyboard and mouse are included. Windows 7 Professional (64-bit) is pre-installed on the drive and provided via Microsoft's downgrade rights, which includes a license for Windows 10 Pro.