4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 450-1850rpm speed range, stops at 0% PWM for semi-passive systems chromax.black.swap edition with all-black design and self-adhesive red, black, white, blue, yellow and green anti-vibration pads for colour-customising (8 pads of each colour)
https://www.amazon.com/Noctua-NF-A12x15-PWM-chromax-Black-swap-120x15mm/dp/B0813X9G8T