Enermax T.B.Vegas Quad APS 120mm LED Case Fan Cooling, Black UCTVQ12P PWM speed control to keep your system cool and silent all the time Smart APS (Adjustable Peak Speed) control providing 3 peak rpm options Patented Circular Type LED with 18 diodes and 6 switchable modes Patented Carved Halo Frame design for extra 20~30% airflow Twister Bearing technology for long lifetime and low noise PWM speed control to keep your system cool and silent all the time. Smart APS (Adjustable Peak Speed) control providing 3 peak rpm options Patented Circular Type LED with 48 (4x12) diodes and up to five times brighter than other LED fans Blue/Red/Green/White 4-color LED with 6 switchable modes. Patented Carved Halo Frame design for extra 20 30 percent airflow Twister Bearing technology for long lifetime and low noise Focus Blades centering the light to increase brightness Isolator-mounts for shockproof and easy installation 48x 4-Color LED with 6 Modes