# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**2 device listed.**

## NanoPi R4S

Popular RK3399 dual-GbE router board with 2x Cortex-A72 + 4x Cortex-A53, 4GB LPDDR4, dual Gigabit Ethernet, 2x USB 3.0, metal case option, and OpenWrt/FriendlyWrt support — the go-to affordable open-source router platform.

[Details](https://openhardware.directory/devices/nanopi-r4s) | [Markdown](https://openhardware.directory/devices/nanopi-r4s/md)

## NanoPi R2S

Budget dual-GbE router board with RK3328 quad-core Cortex-A53 at 1.3GHz, 1GB DDR4, native + USB 3.0 Gigabit Ethernet, and USB-C power — the most affordable open-source OpenWrt router platform at just $27.

[Details](https://openhardware.directory/devices/nanopi-r2s) | [Markdown](https://openhardware.directory/devices/nanopi-r2s/md)