Supports M ATX and Mini ITX Form Factor Motherboards. Motherboards 6.7” x 6.7” (Mini ITX) , 9.6” x 9.6” (Micro ATX)%ocs%Designed for use in either a vertical or horizontal orientation on the motherboard%ocs%Chamber concept design with optimized cable management space for small form factor builds%ocs%Stackable and flexible thermal solution. Remarkable expansion. Advance ventilation%ocs%2x USB 3.0, 1x Headphone, 1x Mic Front Ports, Internal Bay: 3x 3.5 inches or 2.5 inches%ocs%Includes 1x 200 millimeter Front Fan Pre installed, Optional Cooling Available