Amazon.com: Noctua NH-U12S, Premium CPU Cooler with NF-F12 120mm Fan (Brown) : Electronics
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
Can't remove steel clips from noctua NH-U9S : r/Noctua
NF-A12x15 PWM
FAQ: How to install the fan using the supplied steel clips?
Amazon.com: Noctua NH-U12A, Premium CPU Cooler with High-Performance Quiet NF-A12x25 PWM Fans (120mm, Brown) for Desktop : Electronics
NA-FD1
Noctua NH-U12DX i4 CPU Cooler 139354 B&H Photo Video
WTB] - [WTB] [USA] 1x Noctua metal hinge for a fan, with rubber grommet for the hinge too. | TechPowerUp Forums
NF-A12x25 LS-PWM
Noctua NM-SFC12 Fan Buckle CPU Radiator Fan Hook Bracket Metal Clip For NH-U14S NH-D15 NH-D15S NH-U14S TR4 - AliExpress