The NanoPi R2S(as "R2S") is an open-source platform with dual-Gbps Ethernet ports The 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 . It is a good platform for developing IoT applications, NAS applications, smart home gateways, etc. Hardware Spec CPU: Rockchip RK3328, Quad-core Cortex-A53 DDR4 RAM: 1GB Color: black+blue Material: PCB+Metal Network: Internal 10/100/1000M Ethernet Port x 1 USB3.0 converted 10/100/1000M Ethernet Port x 1 USB2.0 Host: Type-A x1 For SD Slot x 1 MicroUSB: power input and USB Slave Debug Serial Port: 3.3V TTL, 3-pin 2.54mm pitch connector LED: LED x 3 KEY: KEY x 1 programmable PC Size: 55.6 x 52mm Power Supply: DC 5V/2A Temperature measuring range: 0 to 80 OS/Software: U-boot,Ubuntu-Core,OpenWrt Package Contents: 1 x case 1 x board Only the above package content, other products are not included. Note: Light 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.