Infrastructure / Edge AI hardware

Radxa ROCK 5B

A single-board computer (SBC) built on the Rockchip RK3588 SoC, pairing a quad-core Cortex-A76 (up to 2.4 GHz) with a quad-core Cortex-A55 and a built-in 6 TOPS NPU, in a 100 x 75 mm form factor. It is offered in 4/8/16GB LPDDR4X (ROCK 5B) and up to 32GB LPDDR5 (ROCK 5B+). Made by Radxa, which publishes complete hardware design schematics and software source, it is one of the most popular high-end RK3588 maker boards.

Verified live 2026-06-22 via primary sources. Schematics and mechanical files are publicly downloadable and the BSP is open, but the RK3588 needs proprietary Rockchip blobs and editable PCB source is not released.

Openness

4 high confidence

4.0

schematics: published (PDF + SMD maps + DXF + 3D STP + CE/FCC public)
toolchain: open (open BSP/kernel/U-Boot)
blobs: required (Rockchip rkbin/DDR/TF-A required)
retail: open_market (global)

Schematics and mechanical files are publicly downloadable and the BSP is open, but the RK3588 needs proprietary Rockchip blobs and editable PCB source is not released.

https://docs.radxa.com/en/rock5/rock5b/download recorded 2026-06-22
downloadable schematic PDFs, SMD maps, DXF, 3D STP, CE/FCC reports
https://github.com/radxa-repo/bsp recorded 2026-06-22
official open Radxa BSP build tool with ROCK 5B profile

Adoption

5 high confidence

5.0

One of the most popular RK3588 SBCs, sold globally through authorized distributors with 15+ third-party OS ports and an active community.

https://ameridroid.com/products/rock5-model-b recorded 2026-06-22
live retail listing at an authorized US distributor

Capability

4 high confidence

4.0

6 TOPS INT8 plus up to 16-32GB RAM runs quantized small/mid LLMs and real-time vision via RKNN, strong for an edge SBC.

https://docs.radxa.com/en/rock5/rock5b/getting-started/introduction recorded 2026-06-22
6 TOPS NPU; RAM up to 16GB (5B) / 32GB LPDDR5 (5B+)

Unchanged since 2026-08-01 (last edited, not re-checked)