ThePCEnthusiast: "Fans are an essential part of every desktop PC. It cools your system, it sucks in cool air and exhaust heat produced by the PC components. But fans are not made alike. There are stock fans, there are premium fans and the noisy high performance fans. Today let’s take a look at the Noctua NF-S12A fan series, a 120mm premium case fan offering super silent case cooling. The NF-S12A has three variants, the PWM, the FLX and ULN. Let’s get to more about them below and find out if this would be your next case fan."