Lian Li 011 Vision O11 VISION-M Black (G99.O11VMX.00) , PC , Midi Tower , Black , Material Tempered glass/Aluminium/Steel , Supported mainboards micro ATX/Mini-ITX , 5xNumber of expansion slots , Side window Yes , Tempered glass panel(s) Yes , Anti-dust filter Yes , Supported HDD sizes 2.5/3.5 "