Material Aluminum top cover, Steel body Motherboard Thin-Mini-ITX M / B support Intel DH61AGL / DQ77KB Gigabyte H77TN / B75TN / H61TN ASRock B75TM / H61TM / H77TM / Z77TM Drive bay External -- -- Internal 2.5 x1 Cooling system Front -- Rear -- Side Venting holes Top Venting holes Bottom -- Internal -- Front I/O port USB 2.0 x 2 Limitation of CPU cooler is less than or equal to 30mm(with clip) Extra 1 x HDD LED 1 x Power LED 2 x Antenna opening Support VESA Mount MIS-D 100/ 100 mm 100 mm/ M4 Adapter SPEC Model Name FSP120-ABAN2 Wattage 120W Output 19V O/P Current 6.32A Socket Type C14 Input Voltage 90 - 264V Input Frequency 47 - 63Hz No Load < 0.21 Watts Efficiency is more than or equal to 88 % DOE Level VI