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I'm told the TMC2209s don't get that hot and that it cools just fine with ambient air. Sounds like a bunch of haters to me! Keep your stepper drivers cool and looking real cool at the same time. To use this intake, you'll need some extensions for the USB and I have one for the SD Card too for easy access.

The stock case fan will need to be removed for this mod.

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Note: These are links to the actual items I purchased so I know they fit and work great.

Must-haves:

SKR V1.4 Turbo w/ TMC2209: https://amzn.to/2GaA0NN
4020 24v Dual-Bearing Fans: https://amzn.to/2NPZmVs
USB Type B Extension Mount: https://amzn.to/2TPbWYX
Optional:

Micro SD Card Extension: https://amzn.to/38xvtBt