Mini chassis high compatibility: Mini chassis does not take up space, but can be compatible with MATX, ITX, and supports a maximum length of 24.5 * 24.5. Almost all MATX motherboards are compatible. CPU cooler maximum height 70MM,If HDDis installed,maximum height: 40MM(CPU COOLER) Power supply supports 1U power supply, FLEX power supply (150 * 81.5 * 40.5mm) The graphics card only supports LOW profile graphics cards with low bezels Rich IO panel: power button, restart button, USB3.0*1,USB2.0*2AUDIO Supports HDD * 1/SDD * 2 SECC electrolytic sheet has high shielding and corrosion resistance, and is not easy to rust