# 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.

**3 device listed.**

## Radxa Zero 3W

Credit-card sized Rockchip RK3566 SBC with up to 4GB LPDDR4, eMMC, microSD, WiFi 5, Bluetooth 5.0, and USB-C OTG — a compact headless Linux board with no Ethernet port.

[Details](https://openhardware.directory/devices/radxa-zero-3) | [Markdown](https://openhardware.directory/devices/radxa-zero-3/md)

## Radxa Rock S0

Tiny Rockchip RK3308B SBC with up to 512MB DDR3, 8GB eMMC, microSD, WiFi 4, Bluetooth 5.0, and USB-C OTG — a postage-stamp Linux board for IoT and audio applications.

[Details](https://openhardware.directory/devices/radxa-rock-s0) | [Markdown](https://openhardware.directory/devices/radxa-rock-s0/md)

## Radxa Rockpi S

Tiny Rockchip RK3308 quad-core SBC with up to 512MB DDR3, 8GB eMMC, microSD, 100Mbps Ethernet, USB 2.0, optional WiFi/BT, and USB-C — a miniature Linux board for audio and IoT projects.

[Details](https://openhardware.directory/devices/radxa-rockpi-s) | [Markdown](https://openhardware.directory/devices/radxa-rockpi-s/md)