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Dell OEM/Alienware RTX 3090 Mounting Plate — image 1
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Dell OEM/Alienware RTX 3090 Mounting Plate

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This is a full mounting plate for a pair of 120mm fans.

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Model information

Category
Computers
License
Creative Commons — Attribution — Noncommercial

I wanted a full plate to mount the fans with screws as the card is running on a Bee-link EX Pro. Connecting with just zip-ties seemed messy. I used a pair of Noctua NF-A12x25 PWM fans. The existing shroud screws are way to short, replace with 2mm x 6mm - 8mm screws. I used hex head screws.

One fan screw can not be inserted as the rail partially covers it. The fan is plenty secure with 3 screws. Adding the SCAD in case anyone wants to alter more. 

  • PETG (heat tolerant near GPU)

  • Layer height: 0.2mm

  • Infill: 40% gyroid

  • Walls: 4 perimeters

  • fan plate face down on bed, arms pointing up — no supports needed although I did use supports to avoid any stringing on the cross bars. On bed-only should work.