FAQ: How to install the fan using the supplied steel clips?
Amazon.com: Noctua NH-U12S, Premium CPU Cooler with NF-F12 120mm Fan (Brown) : Electronics
NH-U12A
NA-FK1 redux
Noctua makes it so easy - Free fan clips for a 3rd fan - NH D15 cooler - YouTube
Noctua cooler NH-D15 - How to get FREE fan clips from Noctua to add a 3rd FAN - YouTube
Noctua NH-U9S CPU Cooler 162484 B&H Photo Video
NF-A12x15 PWM
I tried to replace the CPU fan, but the new Noctua has a different shape and those metal clips are too short. A Noctua with a similar shape to the old fan
what are these "clips" called and where do i get them (noctua nh-d15) : r/pcmasterrace