Features: The R4SE is a Double Gigabit Ethernet router with 32GB eMMC. Support Rockchip RK3399 Processor; 4GB Memory and 32GB memory; Support Double Gbps Ethernet One directly from expansion, the other from PCle conversion; USB3.0x2 32GB eMMC For NanoPi The R4SE 32G of eMMC flash memory on board. Running a system on this onboards eMMC flash memory is more stable and elegant than using external card. Specifications: For NanoPi R4SE Double Gigabit Ethernet Router Processor: Rockchip RK3399 With 4G+32GB eMMC For NanoPi R4SE, the internal Gbps Ethernet 934Mbps and 941Mbps For PCle Converted Gbps Ethernet 934Mbps and 936Mbps Size:about 7.2x7.2x2.9cm/2.83x2.83x1.14in Component：Metal Package Includes: 1PC Gigabit Ethernet Router note: Due to the problemof lighting effects, there might be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurement.