If you don't have a heatsink and want to mount the fans directly to the case, you may need some help as the short nuts don't match the thread form of the fans. I had to use an electric driver to get them in. The cables are pretty stiff, so that's a good thing. However, the LED is dead. Yellow/Red doesn't work and when I switch to a hue associated with yellow or red, fans go crazy. Otherwise a good quiet fan.
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