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Raspberry Pi Compute Module 4 - 2GB RAM 16GB MMC and WiFi : ID 4791 : $45.00 : Adafruit Industries, Unique & fun DIY electronics and kits
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Raspberry Pi 4 Model B 4B RAM 1GB 2GB 4GB 8GB Kit+ Case+32 64 128 GB TF Card+ Power Adapter+ Fan+ Heat Sink+Video Cable for Pi 4 - AliExpress
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Amazon.com: Raspberry Pi 4 Computer Model B 8GB Single Board Computer Suitable for Building Mini PC/Smart Robot/Game Console/Workstation/Media Center/Etc. : Electronics
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