Features: brand new and high quality NanoPi NEO3 is a new generation of ultra-small ARM computer. It uses a 64-bit quad-core RK3328 Cortex A53 processor and comes with standard 1GB/2GB 32bit DDR4 memory, which can support embedded operating systems such as Ubuntu core and friendlywrt. NEO3 comes with a standard USB3.0 typeA interface, two USB2.0 2.54mm pin headers, a Micro SD card slot and abundant GPIO resources Large amount of data transmission, fast and high calculation performance Core voltage: 0.95-1.3V, six stage dynamic scaling and voltage regulation.Rockchip RK3328,1GB/2GB DDR4 Memory, Gbps Ethernet ports, USB 3.0 Connection 2.54mm pitch 26 pin-header onboard, include I2C, UART, SPI, I2S, GPIO. Specifications: Processor Speed: 400MHz-1.29GHz Power Supply Current: 4A Power Supply Voltage: 5V Size: approx 4.8X4.8CM/1.88x1.88in Memory Bus: DDR4 32bit RAM-:1GB/2GB RAM- Frequency:786MHz to 1056MHz,dynamic scaling Ethernet: 10/100/1000M USB:3.0 Core voltage: 0.95-1.3V, six stage dynamic scaling and voltage regulation. Power Point: Type C Key: User Keyx1 Purpose Project: Development, Design and Application Featured Service Items: Development, Design and Application Package Includes: Type A/B/C/D Optional Type A 1x NanoPi NEO3 1GB without for Case Type B 1x NanoPi NEO3 2GB without for Case Type C 1x NanoPi NEO3 1GB with for Case Type D 1x NanoPi NEO3 2GB with for 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.