Bottom 120/140 mm fan
At the base of the case, there is a fan mount that can fit either a 120 mm or 140 mm fan for additional air intake.
1.Remove the left side panel as outlined in Section 2.2. Rest the case on its side so you have access to both sides of the fan mount.
2.Align your fan with the mounting holes. The fan should be installed on the inside of the case, with air blowing in.
3.Screw in the fan with the included screws (H in section 1.3).
Screw the bottom fan into place by first aligning it
with the bottom screw holes.
Rear 120 mm fan – One S / One S3 only
A rear exhaust fan can be installed for additional airflow out of the case.
1.Remove the left side panel as outlined in Section 2.2.
2.Align your fan with the mounting holes. The fan should be installed with air blowing out of the case.
3.Screw in the fan with the included screws (H in section 1.3).
4.3
Screw the rear fan into place by first aligning it with
the rear screw holes.
PSU Air Filter
The One / One S / One S3 features a PSU air intake filter that can be removed and cleaned.
To remove the PSU filter:
1.Pull the filter out toward you using the tab at the back of the chassis.
Pull the filter toward you using the tab outside the
chassis.
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