I love these fans. They have LEDs not only on the inner perimeter of the fan, but also in the center, so they illuminate the case really well. With Corsair iCUE software, you can choose from preset effects or create your own. And all Corsair RGB products can be software controlled to some degree. In the image I've uploaded I have 3 LL120 and 1 LL140 fans and Corsair RGB memory and I recently bought a Corsair Void Pro RGB headset. If you don't know how to connect these fans, search Youtube for a video I made on how to connect them. In the comments you will find answers to many frequently asked questions about these fans. If you're still unsure and have questions, ask me on YouTube or here on Revain and I'll do my best to answer. Video Title: Corsair LL120 3-Pack - Easy-to-See Ports
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