NanoPi R5S Router Specifications and Dual 2.5G Architecture

The NanoPi R5S Router features a powerful RK3568 processor paired with dual 2.5G Ethernet ports, enabling simultaneous high-speed data transfers and load-balanced network traffic management. Its CNC-machined metal case provides superior thermal dissipation compared to plastic alternatives, maintaining stable performance during continuous operation. The compact mini router design fits seamlessly into server racks, network closets, or edge computing deployments without consuming excessive physical space. Built-in gigabit switching fabric ensures wire-speed forwarding between ports, eliminating bottlenecks in bandwidth-intensive applications. This development board runs open-source routing software and supports custom firmware modifications for specialized network requirements.

Introduction

Overview

Front

Back

The NanoPi R5S is a RK3568 SoC based ARM board.

2 Hardware Spec

SoC: Rockchip RK3568
- CPU: Quad-core ARM Cortex-A55 CPU, up to 2.0GHz
- GPU: Mali-G52 1-Core-2EE，supports OpenGL ES 1.1, 2.0, and 3.2, Vulkan 1.0 and 1.1, OpenCL 2.0 Full Profile
- VPU: 4KP60 H.265/H.264/VP9 video decoder, 1080P60 H.264/H.265 video encoder
- NPU: Support 0.8T
RAM: 2GB LPDDR4X
Flash: 8GB eMMC
Ethernet: one Native Gigabit Ethernet, and two PCIe 2.5G Ethernet
USB: two USB 3.0 Type-A ports
HDMI:
- support HDMI1.4 and HDMI2.0 operation
- support up to 10 bits Deep Color modes
- support up to 1080p@120Hz and 4096×2304@60Hz
- support 3-D video formats
PCIe: M.2 Key M, PCIe2.0 x1, support NVME, PCIe WiFi etc
microSD: support UHS-I
GPIO:
- 12-pin 0.5mm FPC connector
- up to 1x SPI, up to 3x UARTs, up to 4x PWMs, up to 8x GPIOs
SD/MMC/SDIO/I2S:
- 2×8-pin 1.27mm connector
- Compatible with SDIO3.0 protocol
- Compatible with SD3.0, MMC ver4.51
- 4bits data bus widths
- 1x I2S with 2x SDO and 3x SDI
Debug: one Debug UART, 3 Pin 2.54mm header, 3.3V level, 1500000bps
LEDs: 4 x GPIO Controlled LED (SYS, WAN, LAN1, LAN2)
others:
- 2 Pin 1.27/1.25mm RTC battery input connector for low power RTC IC HYM8563TS
- MASK KEY for eMMC update
- one 5V Fan connector
Power supply: USB-C, support PD, 5V/9V/12V input
PCB: 8 Layer, 62x90x1.6mm
Ambient Operating Temperature: 0℃ to 70℃

3 Diagram, Layout and Dimension

3.1 Layout

NanoPi R5S Layout

12-pin GPIO

Pin#	GPIO	SPI	UART	PWM	POWER	Description
1					VCC3V3_SYS	3.3V power output
2					VCC3V3_SYS	3.3V power output
3	GPIO3_C3	SPI1_CLK_M1	UART5_RX_M1			3.3V level
4					GND
5	GPIO3_C2	SPI1_MISOI_M1	UART5_TX_M1			3.3V level
6	GPIO3_A1	SPI1_CS0_M1				3.3V level
7	GPIO3_C1	SPI1_MOSI_M1				3.3V level
8					GND
9	GPIO4_C5		UART9_TX_M1	PWM12_M1		3.3V level
10	GPIO4_C6		UART9_RX_M1	PWM13_M1		3.3V level
11	GPIO3_C4		UART7_TX_M1	PWM14_M0		3.3V level
12	GPIO3_C5		UART7_RX_M1	PWM15_IR_M0		3.3V level

2×8-pin SDIO/I2S

Pin#	GPIO	SD/MMC/SDIO	I2S	POWER	Description
1				VCC5V0_SYS	5V power output
2				VCC5V0_SYS	5V power output
3	GPIO3_C6	SDMMC2_D0_M0	I2S1_MCLK_M1		1.8V level
4	GPIO3_C7	SDMMC2_D1_M0	I2S1_SCLK_TX_M1		1.8V level
5				GND
6				GND
7	GPIO3_D0	SDMMC2_D2_M0	I2S1_LRCK_TX_M1		1.8V level
8	GPIO3_D3	SDMMC2_CLK_M0	I2S1_SDI1_M1		1.8V level
9				GND
10				GND
11	GPIO3_D1	SDMMC2_D3_M0	I2S1_SDO0_M1		1.8V level
12	GPIO3_D2	SDMMC2_CMD_M0	I2S1_SDI0_M1		1.8V level
13				GND
14				GND
15	GPIO3_D5	SDMMC2_PWREN_M0	I2S1_SDI3_M1		1.8V level
16	GPIO3_D4	SDMMC2_DET_M0	I2S1_SDI2_M1		1.8V level