Does the purple only come with one fan? Or does it come with two, like in the picture?

Hello Alexia, yes it comes with One fan.

Questions & Answers: ID-COOLING ZF-12025-PURPLE Case Fan 120mm 5V 3 PIN Addressable RGB Cooling Fan MB Sync, 4 PIN PWM Speed Control Fans for Radiator/CPU Cooler/Computer Case Purple 1pc

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ID-COOLING ZF-12025-PURPLE Case Fan 120mm 5V 3 PIN Addressable RGB Cooling Fan MB Sync, 4 PIN PWM Speed Control Fans for Radiator/CPU Cooler/Computer Case Purple 1pc

PWM fan-The PWM fan control allows for dynamic speed adjustment between 900 pm to 2, 000 rpm, minimizing noise, or maximizing airflow. Max. Air Flow: 55.2CFM; Noise: 16.3~33.5dB(A)
RGB Lighting-RGB lighting can sync with the motherboard is adjustable to match your PC build.
Compatibility-The standard 120X120X25mm cooling fan is designed to match the CPU cooler, CPU water cooler, pc case, etc..
Superior Build Quality-High quality fan blades and frame built-in extremely even light diffuser. The 120mm fan Blade engineered for Low-Noise operation without sacrificing performance
Easy Installation-Standard 5V 3pin Addressable RGB header to Motherboard ARGB header

$20^.99 –