Model NumberMasterBox 520: MB520-KGNN-S01, MasterBox 520 White: MB520-WGNN-S01 Exterior ColorBlack, White Materials – ExteriorSteel, ABS Plastic, Tempered Glass Materials – Left Side PanelTempered Glass Dimensions (L x W x H)499 x 210 x 498mm (Incl. Protrusions), 430 x 210 x 479mm (Body size) Motherboard SupportMini-ITX, Micro-ATX, ATX, SSI-CEB, E-ATX* (*up to 12″ x 10.7″ motherboards, may impact cable management feature) Expansion Slots7 3.5″ Drive Bays2 2.5″ Drive Bays3 I/O Panel – USB Ports1x USB 3.2 Gen 1 Type A, 1x USB 3.2 Gen 2 Type C I/O Panel – Audio In / Out1x 3.5mm Headset Jack (Audio+Mic) I/O Panel – Other1x Reset/ARGB button Included AccessoriesARGB Fans Hub Pre-installed Fans – TopN/A Pre-installed Fans – Front3x CF120 ARGB Pre-installed Fans – Rear1x MasterFan Lite 120 Fan Support – Top3x 120mm, 2x 140mm Fan Support – Front3x 120mm, 2x 140mm Fan Support – Rear1x 120mm Radiator Support – Top120 / 140 / 240 / 280 / 360mm (recommended maximum thickness – 55mm) Radiator Support – Front120 / 140 / 240 / 280 / 360mm Radiator Support – Rear120mm Clearance – CPU Cooler165mm Clearance – PSU200mm (Recommended up to 170mm) Clearance – GFX410mm Dust FiltersFront, Top, Bottom Power Supply SupportATX Warranty2 years SizeMid Tower SeriesMasterBox Series Back Connector Motherboard SupportNo