Features: TAC Compliant 400W SmartPower2.0 ATX12V v2.0power supply - for AMD™ & Intel® systems - SmartPower runs cooler and quieter Drive Rails for 5.25” drives 2 Front USB 2.0 ports with shielded cables Removable Side Panels Removable Drive Cages for 3.5” drives 11 Drive Bays: - External: 4x 5.25", 2x 3.5" - Internal: 5x 3.5" with rubber grommets to absorb hard drive vibration Advanced cooling system that includes: - 1 rear 120mm Tricool fan with 3-speed switch - 1 front (optional) 120mm fan - Chassis Air Guide with optional 80 mm intake fan to provide maximum CPU cooling - Side Panel vent to provide maximum cooling to the VGA card Fits Micro ATX (9.6" x 9.6") and Standard ATX (12"x 9.6") motherboards