FOR NanoPi R5S has a built-in 8GB eMMC flash memory, and runs the system through eMMC flash memory, which is more compatible than SD card and more stable and when running for a long time. Nano Pi R5S has a Gigabit Ethernet port and two 2.5G network ports. The Gigabit Ethernet port is directly led out from the SoC, and the other two 2.5G network ports are connected by PCle. The Gigabit Ethernet port directly connected to the Nano Pi R5S has a transmission rate of 941Mbps and a receiving rate of 941Mbps; the two 2.5G Ethernet ports that are transferred have a transmission rate of 2.10Gbps and a receiving rate of 2.30Gbps. It has 1 HDM1 output interface, can run Android, desktop system and Buildroot and other , and can also be used as a line mode that geeks like; and can decode and play 4K60pH.265/264 and other formats of video. R5S also has one M.2NVME solid-state drive interface and two USB 3.0 interfaces, and supports USBC port PD fast charging power supply. When connecting an external mobile , there is no need to worry about insufficient power supply. It is a portable storage and processing tool for photo and video lovers. weapon. Type: Development Board Chip: Rockchip RK3568B2 CPU: -core ARM -A55 CPU Memory: 2GB LPDDR4X Flash memory: 8GB eMMC Colour:blue+black Material:PCB Size:90x62mm Package Contents: 1 x Development Board 1 x Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.