High-Performance Networking Solution: The NanoPi R4S is equipped with dual Gigabit Ethernet ports, powered by the robust RK3399 chipset, making it an ideal choice for high-speed, reliable network gateways. Enhanced Cooling System: Comes with an efficient cooling mechanism to ensure stable performance even under heavy load, perfect for continuous operation. Flexible OS Compatibility: Supports multiple operating systems including for OpenWrt, for LEDE, for V2ray, for SSR, and for Linux Rockchip, offering versatile deployment options for various network applications. Memory: Available in 4GB RAM configurations SoC: Rockchip RK3399 CPU: big.LITTLE,Dual-Core Cortex-A72(up to 2.0GHz) + Quad-Core Cortex-A53(up to 1.5GHz) GPU: Mali-T864 GPU,supports OpenGL ES1.1/2.0/3.0/3.1, OpenCL, DX11, and AFBC VPU: 4K VP9 and 4K 10bits H265/H264 60fps decoding, Dual VOP, etc PMU: RK808-D PMIC, cooperated with independent DC/DC, enabling DVFS, software power-down, RTC wake-up, system sleep mode RAM: 4GB LPDDR4 Ambient Operating Temperature: -20 to 70 The product appearance and printed words may vary depending on the batch, but this does not affect use Color: As shown Material: PCB Package Contents: 1 x Ethernet Gateways 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.