In order to make sure your PC runs smoothly, you need to keep an eye on CPU, hardware temperature, and other components. The FormulaMod 8.8-inch External Expansion Display can help. It has 1920 x 480p resolution with 60Hz refresh rate.
This display uses a 5V USB power supply. It has an acrylic transparent back cover with RGB lighting effects. You need a spare HDMI port to use this display.