• PSU: 450W standard ATX PS2 / EPS 12V with 12cm fan• 4 bays 5.25"• 3 internal (up to 5), 1 external bays 3.5"• Mainboard ATX / Micro ATX / Micro ITX• Fan slots - 80/90/120mm fan rear & front• 2 USB 2.0, Audio, Mic