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Amazon.com: DS 120mm Addressable RGB PC Case LED Fans with Controller for Black Computer Case, CPU Cooler, White Radiators System (3Pack ARGB Fans, 2Pack LED Strips, 4TH GEN Hub Box, A Series) :
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CPU OPT vs CPU FAN: When & Why to Use Each of Them?
CPU FAN vs. CPU OPT (When to use which)
What's the difference between 'CPU FAN' socket, 'CPU OPT' socket, and a 'SYS FAN' socket on motherboard? - Quora