APEX AIR | PC | Midi Tower | Black | Material SPCC | Supported mainboards ATX/micro ATX/Mini-ITX/EATX | 7xNumber of expansion slots | Side window Yes | Tempered glass panel(s) Yes | Anti-dust filter Yes | Front fans installed 2x 140 mm | Rear fans installed 1x 140 mm | Top fans installed 3x 120 mm, 2x 140 mm | Supported HDD sizes 2.5/3.5 " | Weight 7.3 kg