Specification Details Model Lian Li O11 Odyssey X Black Case Type Full-Tower / Extended Mid-Tower PC Case Color Black with tempered glass panels Materials Steel chassis + tempered glass front/side Motherboard Support E-ATX / ATX / Micro-ATX / Mini-ITX Drive Bays Multiple 3.5″ & 2.5″ mounts (modular cage support) Expansion Slots 8+ horizontal slots with option for vertical GPU mounts Front I/O USB-C × 1 • USB-A × 2 • 3.5 mm Audio In/Out • Power/Reset Cooling Support — Front Up to 4 × 120 mm or 3 × 140 mm fans Cooling Support — Top Up to 4 × 120 mm or 3 × 140 mm fans Cooling Support — Side Up to 4 × 120 mm fans Cooling Support — Bottom Up to 3 × 120 mm fans Radiator Support Front: up to 420 mm • Top: up to 420 mm • Side: up to 360 mm Included Fans Varies by SKU (often sold without fans) PSU Support Standard ATX PSU (bottom-mounted with shroud) PSU Shroud Full PSU shroud with cable routing cover Tempered Glass Large tinted tempered glass panels Dust Filtration Removable filters on front/top/bottom Cable Management Dedicated routing channels and cable straps GPU Orientation Supports both horizontal and vertical GPU mounting Special Features Spacious interior, ideal for custom loops, reservoir/pump mounts Use Case High-end gaming rigs, custom water-cooling loops, showcase builds