Features Velocity - With biggest graphics expansion space: NVIDIAR SLIR - ready. Visual - The all black coating, inside and outside, adds overall quality and neat looks. Voodoo - Colorshift Fan with 6 color changing pattern for optimal gaming experience. Vivid - Three color shifting fans creates most eye catching appearance. Vary - Adjustable fan speed control for performance mode or silent mode. Ventilation - Excellent thermal performance with optimized air flow. Vast - Support up to 11 x 5.25” drive bay or 5 x 5.25” and 6 x 3.5” with 2 iCage