I made the Raspberry Pi 4 with 3GB of RAM. : r/raspberry_pi
Amazon.com: RasTech Raspberry Pi 4 4GB Starter Kit with 32GB Micro SD Card, Power Supply with ON/Off, Case, Cooling Fan, HDMI Cables, Copper Heatsinks, Card Reader, Screwdriver(4GB RAM) : Electronics
Raspberry Pi 4 RAM Upgrade - Tutorial🤫 - YouTube
Amazon.com: Marstudy Raspberry Pi 4 Model B Ultimate Starter Kit (4GB RAM) /Premium High-Gloss Transparent Case with Low Noise Bearing System Fan and Set of Heat Sinks/Raspberry Pi OS Pre-Installed : Electronics
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Raspberry Pi 400 Gets an 8GB Upgrade — By Hand-Balling and Soldering a Donor RAM Chip - Hackster.io
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Raspberry Pi 4 RAM Upgrade - Tutorial🤫 - YouTube
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Raspberry Pi 400 Gets an 8GB Upgrade — By Hand-Balling and Soldering a Donor RAM Chip - Hackster.io
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