Antec Cost-Efficient Mid Tower Case VSK-2450 11 drive bays, 6 internal 3.5-Inch HDD Front-loaded, 3 x 5.25-Inch external, 1 x 3.5-Inch external and 1 x 2.5-Inch SSD. Power Supply, VP450 - 450watts of continuous power, ATX 12V 2.3. Cooling, 1 x 120mm rear TwoCool fan, 2 x front 120mm fans (optional), Perforated front bezel delivers maximum air intake! TAC 2.0 Design Guide Compliance, enhances CPU and Graphics card cooling. Cable management compartment organizes cables discretely. Cable mamagement ties, helps keep you case neat! Front ports, 2 USB 2.0, Audio in and out (AC'97 and HAD compliant) Washable air filters. Motherboards, Mini-ITX, microATX and Standard ATX. With 7 expansion slots for growth!