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
FriendlyElec launched a Rockchip RK3399 powered single-board computer for NAS applications - Electronics-Lab.com
Rockchip - Wikipedia
Updated) FriendlyELEC unveils Rockchip based NanoPi R5S SBC with gigabit WAN/LAN support and HDMI input
Rockchip - Wikipedia
Rockchip - Wikipedia
SOM-RK3399 Dev Kit with Rockchip 64-bit hexa-core RK3399 CPU Board
Amazon.com: Radxa Rock 3A Developed Board Rockchip RK3568 chip Quad-core Cortex A55 high-Performance (2GB Ram) : Electronics
Ariaboard Rockchip rk3308 - Ariaboard Wiki
Radxa Rock2 SoM - Radxa Wiki
Core3566 Module, Rockchip RK3566 Quad-core Processor, Compatible With Raspberry Pi CM4, Options For RAM / eMMC/
TB-RK3399ProD wiki
WayPonDEV Rock PI 4 Model C Plus Rockchip RK3399T 64-Bit Hexa-Core Based Single Board Computer : Amazon.co.uk: Computers & Accessories
Rockchip RK3288 - Wikipedia
kylin - Rockchip Wiki
Amazon.com: Tinker Board 2S 6-Core 2.0 GHz Rockchip RK3399 Single Board Computer 4GB RAM 16GB eMMC Storage GB LAN Wi-Fi & Bluetooth 5.0 GPIO Connectivity Support 4K Dual-Display : Electronics
Rockchip RK3288 - Wikipedia
FireFly RockChip RK3308B Intelligent loT Development Kit,FireFly
Amazon.com: Radxa Rock 3A Developed Board Rockchip RK3568 chip Quad-core Cortex A55 high-Performance (2GB Ram) : Electronics