Fully meshed front panel provides large surface area for air intakeHighly flexible storage options for 5.25", 3.5" and 2.5" drivesPrecisely designed interior provides sufficient space for high-end graphics card and multiple cooling optionsFront I/O includes USB 3.0 x 2, USB 2.0 x 1, combo audio x 1Model No.SST-FA311-BMaterialSteel, plasticMotherboardMicro-ATX (9.6" x 9.6"), Mini-ITX (6.7" x 6.7")Drive bayExternal5.25" (convertible to 3.5" / 2.5" x 1)Internal3.5" / 2.5" x 13.5 x 12.5" x 1Cooling systemFront120mm x 2 / 140mm x 2Rear120mm x 1(120mm x 1 black fan included)Radiator supportFront120mm / 140mm / 240mmRear120mmLimitation of CPU cooler156mmExpansion slot4Limitation of expansion cardLength : 354mm (with front fans installed)Width : 161mmPower supplyStandard PS2 (ATX)Limitation of PSU140mmFront I/O portUSB 3.0 x 2USB 2.0 x 1Combo audio x 1Dimension183mm (W) x 360mm (H) x 410mm (D), 27.01 liters7.2" (W) x 14.17" (H) x 16.14", 27.01 liters