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Amazon.com: Rock Pi 4 Plus Rockchip RK3399(OP1) Single Board Computer LPDDR4 4GB with WiFi 5 and Bluetooth 5.0 Support Twister OS (4GB RAM+64GB eMMC) : Electronics
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Rock Pi 4 Plus SBC gets Rockchip OP1 processor, eMMC flash pre-loaded with Twister OS Armbian - CNX Software
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