Spec Details Model Name O11 Vision Compact – Black (O11VPX Black) Case Type / Form Factor Mid-Tower / ATX compatible (supports ATX, Micro-ATX, Mini-ITX, and E-ATX up to 280 mm width) Dimensions (W × H × D) 287.5 mm × 446.4 mm × 447.5 mm (≈ 11.32″ × 17.57″ × 17.62″) Internal Volume 57.4 litres Materials Steel frame, tempered glass panels (4 mm tinted side/front + 3 mm top), aluminum finishing Motherboard Support ATX, Micro-ATX, Mini-ITX, E-ATX (under 280 mm width), Back-Connect motherboard compatible GPU Clearance Up to 408 mm in length CPU Cooler Clearance Up to 167 mm in height PSU Support ATX form factor, depth up to 220 mm Fan Support Vision mode (glass top): up to 8 × 120 mm fans / Mesh mode (mesh top): up to 11 × 120 mm fans (or 140 mm options) Radiator Support Up to 360 mm radiators (top, side or bottom depending on configuration) Storage Drive Bays Behind MB tray: 2 × 2.5″ SSD / Drive cage: 2 × 3.5″ HDD (or 2.5″ SSD) Expansion Slots 6 + 1 (full height) Front I/O Ports 2 × USB 3.0 Type-A, 1 × USB 3.1 Type-C, 1 × Audio Jack, Power button with backlight Dust Filters Full-length magnetic bottom filter, slide-out design Colour / Finish Black – tinted glass panels with brushed aluminum finish