Micro Tower PC Gaming micro ATX, Mini-ITX Supported HDD sizes: 2.5,3.5" Number of 2.5" bays: 2 Number of 3.5" bays: 2 Side window Illumination Multi Tempered glass panel(s) Acrylonitrile butadiene styrene (ABS), SPCC, Tempered glass Black MATREXX 40 3FSESSENTIAL MICRO-ATXThe MATREXX 40 3FS Micro-ATX case packs massive value in a tiny chassis with impressive cooling support for max airflow, three tri-color LED fans and a solid tempered glass panel.SUBSTANTIAL COOLING CAPABILITYWith support for up to six 120mm or four 140mm cooling fans and also radiators up to 280mm installed on top or in front, the MATREXX 40 3FS provides ample cooling configurations.THREE TRI-COLOR LED FANSThree 120mm fans come pre-installed in the MATREXX 40 3FS with two at front and one at back. The fans are lit up with a preset tri-color LED combination, simply plug in the power and enjoy the visual experience.BETTER AIRFLOWThe front and top mesh panels provide optimal ventilation to move large amounts of air throu