The mesh design on the front, top and side panels of the O11 AIR MINI have been optimized to allow maximum airflow from different sides of the case to the temperatures stable and low. The super fine mesh also acts as dust filter to avoid dust buildup inside the case. The O11 AIR MINI comes with 2 x 140mm PWM front fans and 1 x 120mm PWM rear fan pre-installed straight out of the box. Get your system up and running faster with ease. The AIR MINI is more compact in size than the original O11 AIR, but interior space is just as accommodating and improves on cooling performance. The O11 AIR MINI also accommodates AIO watercooling with enough installation space for 240mm or 280mm radiators on the top, side and bottom. The O11 AIR MINI black has a premium hairline brushed aluminum that looks as good as it feels. The O11 AIR MINI white has a minimalist white powder coating. The durable tempered glass allows for easy and carefree maintenance and for showing off the internal components. Designed with optimized mesh pattern on the front, top and side panels, the O11 AIR MINI provides exceptional focused airflow and overall system airflow for both air cooling setups and AIO setups. The spacious interior allows for different fan or radiator configurations to maximize the cooling temperature.