The SOLO II?s dual-layer 1.0 mm SECC / polycarbonate top & side panels absorb noise for exceptional sound dampening.^Supports: MOBOs-Mini-ITX, microATX, Standard ATX, Graphics cards up to 15", 2 x USB3.0, 2 x USB2.0, Audio In/Out,^HDD supports: 3 x 3.5"/2.5" using Trays, 2 x 3.5" with Suspension mounts, 2 x 5.25" external, 1 x 2.5" internal dedicated^Cooling: 1-rear 120mm True Quiet w silicon groumets and 2 speed switch, removeable front Fan Filter.^Select your own PSU(Antec we hope) and customize your case. Also features 7 expansion slots while working with Graphics cards up to 15"! model : Antec Sonata Series SOLO II Black ATX Mid Tower Computer Case tag : Computer Cases