Antec One S3 [22/23] Psu air filter

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).

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 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.

Screw the bottom fan into place by first aligning it

with the bottom screw holes.

Screw the rear fan into place by first aligning it with

the rear screw holes.