The NanoPi R2S(as "R2S") is an open-source platform with dual-Gbps Ethernet portsThe NanoPi R2S uses the RK3328 SoC. It has two Gbps Ethernet ports and 1G DDR4 RAM. Ported an OpenWrt system for it. It works with Docker CE. It is a good platform for developing IoT applications, NAS applications, smart home gateways, etc.Hardware SpecCPU: Rockchip RK3328, Quad-core Cortex-A53DDR4 RAM: 1GBColor: black+blueMaterial: PCB+MetalNetwork:Internal 10/100/1000M Ethernet Port x 1USB3.0 converted 10/100/1000M Ethernet Port x 1USB2.0 Host: Type-A x1For SD Slot x 1MicroUSB: power input and USB SlaveDebug Serial Port: 3.3V TTL, 3-pin 2.54mm pitch connectorLED: LED x 3KEY: KEY x 1 programmablePC Size: 55.6 x 52mmPower Supply: DC 5V/2ATemperature measuring range: 0 to 80OS/Software: U-boot,Ubuntu-Core,OpenWrtPackage Contents:1 x case1 x boardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.