This is the KAMRUI GK3 Pro: a tiny PC powered by an Intel 11th Gen N5105 processor that you can use for basic computing tasks. It has 16GB RAM and 512GB of SSD storage. It is ready for 3 x 4K@60GHz displays. It has 2 HDMI and a USB 4 port. This computer has 2.5Gb Ethernet, WiFi, and Bluetooth.
This computer is compact enough to easily fit on the back of your monitor. You can find out more here.