Features: Thermally Advantaged Chassis for use with "Prescott" P4 Chassis Air Guide (on side panel) provides room temperature air directly to CPU cooler 350W SmartPower2.0 ATX12V v2.0 power supply - for AMD™ & Intel® systems - unique push-pull fan function: external fan spins only when needed, for quieter operation 2 Front USB 2.0 ports with shielded cables Removable Side Panels Removable Drive Cages 8 Drive Bays: - External: 4 x 5.25", 2x 3.5" - Internal: 2 x 3.5" Cooling capacity: - 1 rear 120mm fan - 1 80mm front (optional) - Chassis Air Guide (standard) with optional 80mm fan Fan Specs: -RPM: 1600 -CFM: 38.94 -dB(A): 25 Fits Micro ATX (9.6" x 9.6") and Standard ATX (12"x 9.6") motherboards