Specification Details Model Lian Li O11 Vision Black Case Type Mid-Tower PC Case Color Black with tempered glass Materials Steel chassis with multiple tempered glass panels Motherboard Support E-ATX / ATX / Micro-ATX / Mini-ITX Drive Bays 3 × 3.5″ / 2.5″ combo + 3 × dedicated 2.5″ SSD mounts Expansion Slots 8 horizontal slots Front I/O USB-C × 1 • USB-A × 2 • Audio In/Out • Power / Reset buttons Cooling Support — Front Up to 3 × 120 mm or 2 × 140 mm fans Cooling Support — Top Up to 2 × 120 mm or 2 × 140 mm fans Cooling Support — Side Up to 3 × 120 mm fans Cooling Support — Bottom Up to 3 × 120 mm fans Radiator Support Front: up to 360 mm • Top: up to 280 mm • Side: up to 360 mm Included Fans Varies by bundle (often no fans in base kit) PSU Support Standard ATX PSU (bottom-mount) PSU Shroud Full PSU shroud with cable cover Tempered Glass Front split-glass & side panels Dust Filtration Removable dust filters (top/front/bottom) Cable Management Built-in channels + straps GPU Orientation Horizontal GPU mount RGB / Aesthetic Clean black with large glass showcase Use Case High-airflow or showpiece builds, custom loops