Unique square shaped lighting pattern: RGB features 2 unique square-shaped lighting effect viewable from the front and back of the fan and supports addressable RGB lighting Sync with 16.8 million color options Up to 40% stronger airflow: The enlarged Blade surface and air inlet design Due to its unique square frame design can create up to 40% stronger airflow than other RGB fans Silent operation: The smart PWM speed control provides 300Rpm starting speed and vibration damping rubber pads offers superior silent experience (speed: 300-1500rpm) Plug & play installation: non-rgb motherboard users can use the PWM power cable to connect the fan to create constant rainbow RGB lighting effects Addressable RGB lighting synchronization: Synchronizable RGB lighting via addressable RGB header of motherboard (+5V/D/-/G); compatible with as US aura Sync, Gigabyte RGB FUSION, MSI Mystic Light Sync, ASROCK polychrome, and Razer Chroma