This Raspberry Pi alternative has an 8th-gen Intel Core processor and 16GB of RAM, but will cost you almost $800! | ZDNET
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Amazon.com: Raspberry SC15184 Pi 4 Model B 2019 Quad Core 64 Bit WiFi Bluetooth (2GB) : Electronics
RPI 4B 4GB ALLIN: The rich Raspberry PI 4 B 4 GB All-In-Bundle at reichelt elektronik
Buy a Compute Module 4 – Raspberry Pi
Upgrading the Raspberry Pi 4 to 16GB of RAM - YouTube
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Raspberry Pi 4 Kit 3,4(Case+Fan+16GB SD Card+Power+
Original Raspberry Pi 4 Model B 2gb Kit Pi 4 Board Micro Hdmi-compatible Cable Power Supply With Switch Case With Fan Heat Sinks - Demo Board - AliExpress
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Amazon.com: Orange Pi 5 16GB Rockchip RK3588S 8 Core 64 Bit Single Board Computer, 2.4GHz Frequency Open Source Development Board Mini PC Desktop Run Orange Pi OS,Android12,Debian11 (Pi 5 16GB+5V4A TypeC Supply) :
Raspberry Pi Compute Module 4 - 2GB RAM 16GB MMC and WiFi : ID 4791 : $45.00 : Adafruit Industries, Unique & fun DIY electronics and kits