Here is another mini PC ready for your business and entertainment needs. The ACTAMID M8S measures only 3.4 x 3.4 x 1.5 inches. It comes with two Gigabit ports and can attach to 3 screens. The M8S has an Intel N6005 processor, Intel UHD graphics, WiFi, and Bluetooth 5.2.
You can run Windows and Ubuntu on this machine. It has a quiet high speed fan for cooling. 3 x USB 3.0 ports are available to attach your peripherals.