Features: The NanoPi R2S has two Gigabit Ethernets ports, one directly from theSoC and the other via USB3.0 adapter. The gigabit Ethernets port directly led out by NanoPi R2S has a transmission rate of 941Mbps and a reception rate of 941Mbps; The transfer speed of the gigabit Ethernets port is 941Mbps, and the receiving speed is 941Mbps The NanoPi R2S adopts a simple and comfortable geometric designs, with a fine crafted all metal case that is compact and portable Enjoy fast and reliable connections with high speed Ethernets ports and 1GB DDR4 memory. Designed for developers and users in need of powerful networking capabilities, this router is a perfect choice. Specifications: Material:Metal Model: NanoPi R2S Processor speed: 1.4G Power current: 2A Power supply voltage: 5V Power: 1.5W/2W Special service: project development, design, and application Size:approx 6x6.1x 2.75cm/2.36x2.4x1.08in Package Includes: 1Set NanoPi R2S Development Board with Metal Case note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.