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
ROCK Pi 4 Model C+ SBC features 1.5 GHz Rockchip RK3399-T CPU, dual HDMI output - CNX Software