Radxa ROCK E20C: Compact Network Computer with Rockchip RK3528A SoC and Dual Gigabit Ethernet Ports

The Radxa ROCK E20C is a compact network computer based on the Rockchip RK3528A SoC. It comes with dual Gigabit Ethernet ports and an aluminum case, making it suitable for space-constrained network applications. Designed for creators, IoT enthusiasts, and DIY users, it provides reliable performance for various networking tasks.

The system integrates a quad-core ARM Cortex-A53 CPU running at 2.0GHz and an Arm Mali G450 GPU with support for OpenGL ES1.1, ES2.0, and OpenVG 1.1. It offers memory options of 1GB, 2GB, or 4GB LPDDR4 RAM, and includes onboard eMMC storage and a microSD card slot for additional storage, ensuring efficient handling of network-intensive and graphical applications.

Previously, we covered the RAXDA ROCK 2A, which also features the Rockchip RK3528A SoC. It is a budget-friendly single-board computer designed for video applications. If you’re interested, feel free to check it out.

The Radxa ROCK E20C specifications:

• SoC: Rockchip rk3528A
  • CPU: Quad-core ARM Cortex-A53 @ 2.0GHz
  • GPU: Arm Mali G450 supports OpenGL ES1.1, ES2.0 and OpenVG 1.1
• Memory: 1GB/2GB/4GB LPDDR4
• Storage:
  • 8GB / 16GB / 32GB / 64GB onboard eMMC  flash
  • microSD Card slot
• Video:
  • H.264, H.265, and AVS2 decoder, up to 4Kx2K@60fps
  • H.264, H.265 encoder, up to 1920×1080@60fps
• Connectivity: 2x Gigabit Ethernet RJ45 Ports
• USB
  • 1x USB 2.0 Type-A host Port
  • 1x Type-C port for debugging and data
  • 1x Type-C port for power
• Button
  • 1x Maskrom Button
  • 1x User Button
• LED: WAN, LAN, and System LED indicators
• Power: 5V input DC via USB Type-C port
• Temperature range: 0 ~ 50°C (Recommended environmental temperature)
• Dimension
  • 66 x 66 mm (only motherboard)
  • 72 x 72 x 28.7 mm (with case)
• Certificate: FCC / CE

For users running demanding applications, the Radxa ROCK E20C may benefit from external cooling solutions like heat sinks or fans to maintain performance, especially as temperatures near 80°C, where clock speeds are throttled for reliability. Detailed technical documentation is available on the Radxa Wiki pages.

The system supports a range of software options, including Debian with XFCE, Flippy OpenWrt, and iStoreOS, an OpenWrt fork with a simplified interface for easier configuration. iStoreOS also includes an app store and can function as lightweight NAS software. Setup guides, OS downloads, and further documentation are provided on the Radxa Wiki page.

The Radxa ROCK E20C is available for purchase on AliExpress, starting at $29.78 depending on the configuration. A power adapter is not included, but a compatible 30W charger can be bought separately on AliExpress for $11.08. For global customers, the E20C is also sold through Arace Tech. More details can be found on the product page.

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