The MonsterLabo Beast is the best performing fanless heatsink-case PC, able to cool a wide variety of processors and graphics cards. The case measures 17.8 x 15.0 x 8.3 inches. The Beast is built around two large heatsinks that absorb heat from the processor and graphics card through 20 heatpipes. It is compatible with ATX motherboards, processors with TDPs of up to 150 W, and graphics cards with up to 250 W. There is space for up to 8 2.5″ storage drives. The case has a headphone jack, microphone jack, USB C port, 2 USB 3.0 ports, 2 USB 2.0 ports, reset button, and a power on/off button on its top side. It is compatible with internal power supplies.