Raspberry Pi 4 Model B 2GB 4GB 8GB RAM Board 1.5GHz 64-bit CPU WiFi Bluetooth. 1 Raspberry pi 4 model B (2GB / 4GB / 8GB optional). 2GB, 4GB or 8GB LPDDR4-3200 SDRAM (depending on model). Raspberry Pi standard 40 pin GPIO header (fully backwards compatible with previous boards).
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