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Amazon.com: Rock Pi 4B RK3399 Single Board Computer Kit LPDDR4 4GB with Dualband 2, 4/5GHz WLAN/Bluetooth 5.0 : Electronics
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ROCK Pi 4 Model SE 4GB Single Board Computer Rockchip RK3399-T ARM Cortex-A72 + Cortex-A53 Raspberry Pi Alternative - DFRobot
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Rock Pi 4 Model C+ is more of a minus (less powerful than the Model C, but also cheaper) - Liliputing
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Rock Pi 4 Model C+ released with HDMI 2.0 ports, LPDDR4 RAM and M.2 SSD support - NotebookCheck.net News
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