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80mm PCIe Slot Fan — image 1
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80mm PCIe Slot Fan

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A computer fan bracket that mounts inside your computer to cool the device next to it.

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Model information

Category
Computers
License
Creative Commons — Attribution — Share Alike

UPDATED on 2024-11-22 to add PCIe Slot (compatible with PCIe 1x, 4x, 8x and 16x) supports, a reinforced mounting bracket, and slightly larger mounting holes to prevent cracking with non-self-tapping fan screws.

This is a 80mm PC fan bracket that can be installed in a computer to cool the card in the slot next to it.  Update: I've added an alternate bracket that holds 2x 80mm fans after someone requested it.

Server PCIe cards generally don't have cooling fans because of the airflow in server cases, so when you put one in a normal PC case, they can easily overheat.  I created this to cool my Avago / Broadcom / LSI 9211-8i SAS HBA, which gets very hot and doesn't have a fan.

Printing

You should print this in the orientation shown in the picture, with supports (ideally tree supports).  I would recommend a filament with a higher temp than PLA, like PETG, ABS or ASA.  PLA will probably work for a while, but I think it will eventually bend/warp if the temperature is too high in your PC (which it probably is, or you wouldn't be printing a fan bracket 🤣). 

Assembly

This is printed as two parts for strength. To assemble, use 4 fan screws to attach the fan to the bracket, and 2 more fan screws to attach the two pieces together as shown in the pictures.

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