| Brand | Lian Li |
| Model | PC-O11 Air |
| LED | - |
| Series | O11 Air |
| Form Factor | Mid Tower |
| 5.25” Bays | NA |
| 3.5” Bays | 3 |
| 2.5” Bays | 6 |
| Expansion Slots | 8 |
| Max Radiator Support | 360 |
| Max Fan Support | 11 |
| Color | Black |
| Side Panel | Transparent |
| Structure | Dual chamber |
| Dimensions | (W)270mm x(H)465mm x(D)476mm |
| Case Weight | 9.5kg |
| Material | (Front)Plastic(Side)Tempered Glass(Body)0.8mm SPCC |
| Front Panel I/O | USB3.0 x2,USB3.1 Type-C x1, HD Audio |
| Supported Motherboards | E-ATX / ATX / Micro-ATX |
| Fan | Fan Support : 1 x 120mm fan option or 140mm x 2 on the top (option), middle 3 x 120 mm (option), bottom 3 x 120mm (option), Front 3 x 120mm (option) |
| Radiator | 120x 360mm / 120x 240mm / 140x 280mm |
| Max GPU Length | 420mm |
| Max CPU Cooler Height | 155mm |
| Max PSU Length | 210mm, 255mm |
| Filter | (Top) x1,(Side) x2, (Bottom) x1, (Front) x1 |
| Warranty | 1 Year |
| Country Of Origin | China |