![D-15 or D-14 (don't remember which one I bought) fans max rpm only 907rpm. Using a Asus strix z370-e mobo. Connectors are plugs directly into cpufan fan pin. Not using an adapter. D-15 or D-14 (don't remember which one I bought) fans max rpm only 907rpm. Using a Asus strix z370-e mobo. Connectors are plugs directly into cpufan fan pin. Not using an adapter.](https://preview.redd.it/d-15-or-d-14-dont-remember-which-one-i-bought-fans-max-rpm-v0-gb5dj4ylzlsa1.jpg?width=640&crop=smart&auto=webp&s=3c8e8796317ff34d829ab5b41a5b0858bbec170d)
D-15 or D-14 (don't remember which one I bought) fans max rpm only 907rpm. Using a Asus strix z370-e mobo. Connectors are plugs directly into cpufan fan pin. Not using an adapter.
![CPU Fan over 4000 RPM when simply browsing a website, and much more when gaming. | Tom's Hardware Forum CPU Fan over 4000 RPM when simply browsing a website, and much more when gaming. | Tom's Hardware Forum](https://forums.tomshardware.com/proxy.php?image=http%3A%2F%2Fi.imgur.com%2FA4DG7tU.png&hash=bddb460a2f2b834a13d3ecc709281a1c)
CPU Fan over 4000 RPM when simply browsing a website, and much more when gaming. | Tom's Hardware Forum
![equal min and max rpm creates error and does not allow any changes · Issue #123 · crystalidea/macs-fan-control · GitHub equal min and max rpm creates error and does not allow any changes · Issue #123 · crystalidea/macs-fan-control · GitHub](https://user-images.githubusercontent.com/1548009/46743683-e5b23180-cca9-11e8-96fb-0b9cdadeb967.png)