# 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.**

## Radxa Rock 4D

Mid-range Rockchip RK3576 SBC from Radxa with up to 8GB LPDDR4X, NVMe M.2, WiFi 6, Gigabit Ethernet, and USB 3.0 — a capable Linux board in a compact footprint.

[Details](https://openhardware.directory/devices/radxa-rock-4d) | [Markdown](https://openhardware.directory/devices/radxa-rock-4d/md)

## Radxa Rock 3A

Affordable Rockchip RK3568 quad-core SBC from Radxa with up to 8GB LPDDR4, eMMC, microSD, Gigabit Ethernet, USB 3.0, PCIe, and M.2 expansion — no built-in WiFi, powered via USB-C or 12V DC.

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