The AEOLUS M3-1204R (AEOLUS M3-1204R) is a 4-pack combo of the AEOLUS M3-1201 ARGB fan with an additional PWM AEOLUS box and controller. The fans feature stealth black optimized fan blades for the highest performance, modified hydraulic bearing with smart PWM function, and low profile ARGB lighting to create the perfect aesthetics.