Lian Li O11 Dynamic Dual 80 mm Exhaust Duct: Duct
View

Two 80 mm fans · Rear exhaust

Lian Li O11 Dynamic Dual 80 mm Exhaust Duct

In stock

Give two 80 mm exhaust fans proper mounting points on the rear of the original Lian Li O11 Dynamic. The duct’s inner channel runs smoothly from the round fans to the case’s 67 x 144 mm rear opening.

Made for the original Lian Li O11 Dynamic (O11D). The solid corners take standard fan screws directly, with no inserts. You’ll need two 80 mm fans, 8 fan screws and 4 M3 or M4 self-tapping screws; none are included. Fans are shown for fit and scale, and airflow is illustrative. See Etsy for available colors.

Manufactured from premium PETG-HF for thermal resistance and structural durability.

Why it’s designed this way

Mount two 80 mm exhaust fans properly behind the O11D’s rear grill.

Before you order

  • A Lian Li O11 Dynamic (original O11D)
  • Two 80 mm fans
  • 8 standard fan screws and 4 M3 or M4 self-tapping screws

Setup & use

  1. Two 80 mm fans going onto the round side of the duct, blowing toward its rectangular end.
    Step 1

    Fit the fans to the duct

    Screw both 80 mm fans to the duct with 8 standard fan screws, blowing toward the rectangular end.

  2. The duct with its fans held inside the case, its rectangular end going against the rear grill.
    Step 2

    Hold it against the rear opening

    Hold the duct inside the case with its rectangular end over the 67 x 144 mm rear opening.

  3. From outside: four self-tapping screws through the corners of the slotted area into the duct.
    Step 3

    Screw it in place

    Fix it with 4 M3 or M4 self-tapping screws and connect the fans.

Drawn from the product’s 3D models. Cases, desks, devices and other surroundings are illustrative; drawings are not measured plans.

Care & troubleshooting

Check the screws are snug. Clear dust from the fans and grill now and then.

From the Workbench

All stories