Specification Details Model Lian Li LANCOOL 3R Type Mid-Tower ATX PC Case Color White Drive Bays 3 × 3.5″ / 2.5″ combo trays + 2 × dedicated 2.5″ SSD mounts Expansion Slots 7 horizontal expansion slots Motherboard Support Mini-ITX / Micro-ATX / ATX Front I/O USB-C × 1, USB-A × 2, Audio In/Out, Power Button Cooling Support (Front) Up to 3 × 120 mm or 2 × 140 mm fans Cooling Support (Top) Up to 2 × 120 mm / 2 × 140 mm fans Cooling Support (Rear) 1 × 120 mm fan Radiator Support (Front) Up to 360 mm radiator Radiator Support (Top) Up to 280 mm radiator Radiator Support (Rear 120 mm radiator Included Fans Typically ships with 2 × 120 mm fans Drive Cage Modular / removable drive cages for easy installation PSU Compatibility Standard ATX PSU (bottom-mount) GPU Clearance Supports long GPUs (typically up to ~360 mm) CPU Cooler Height Supports tall air coolers (up to ~170 mm) Dust Filters Front, top, and bottom dust filters Tempered Glass Side tempered glass panel Cable Management Routing channels and Velcro straps Designed For Gaming, high-airflow builds, water-cooling support