The ZeroRPM HT03 is a fanless heatsink-case pc, able to cool mid-power processors and graphics cards. The case measures 10.9×9.3×6.7 inches (LxWxH). The HT03 is built with to finned heatsinks as walls that absorb heat from the processor and graphics card through 4 heatpipes. It is compatible with Mini-ITX motherboards, processors with TDPs of up to 65W, and graphics cards with up to 75W. There is space for up to 2 2.5″ storage drives. The case has a USB 2.0 port and a power on/off button on its front side. It is compatible with internal or external power supplies.