So the original fans grew louder and I have maybe been what's there fürn ever installed fan (YS Tech (FD129225LB) Made in Taiwan. Well is not exactly the best if not one of the cheapest. So I needed a better one. Am eventually come across the be quiet! BQT T9225-MR-PWM Shadow Wings fan 92mm and am fully satisfied come. quiet and beautiful much cold air as it should be. 1a fan and all times worth the money. Would I buy again ,