Antec NSK2400 MATX B/s 380W PS Desktop Case Package Includes - 1x Tower Case, 1x 380-Watt Ultra-quiet Power Supply-Installed, 1x Power cord, 1x set of screws and motherboard standoffs, 1x Installation manual High-efficiency 380 Watt ATX 12V v2.0 power supply Active PFC and high efficiency design for superior environmentally friendly operation Triple-chamber structure to isolate power supply and hard drive heat for cooler & quieter operation Advanced cooling system - 2 sides mounted 120 mm TriCool 3-speed fans