Witch case fans are worth the money?

[KieranPCGamer]

Hi guys i am looking to buy 4 new case fans

2x 120mm
2x 140mm

witch one do you guys recommend thank you.

 

[superninja12]

120 mm Noctua Nf-F12 PWM , case fan
140 mm Noctua NF-A14 FLX, Case fan

premium price for premium product ofc, but they're the most silent and give the best cooling for your case.