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Home / Development Boards & Control Boards / NanoPi R4S Dual Ethernet Port Development Board 1GB/4GB, CNC All-Metal Case, RK3399 Dual Gigabit Ethernet
Development Boards & Control Boards

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Processor Rockchip RK3399 Dual-Core Cortex-A72 + Quad-Core Cortex-A53
RAM Options 1GB LPDDR4 or 4GB LPDDR4
Ethernet Dual Gigabit Ethernet Ports (RTL8211E + RTL8211B)
Storage Interface MicroSD Slot and eMMC Socket
USB Ports 1x USB 3.0 Type-A, 2x USB 2.0 Type-A
Power Supply 5V/3A USB Type-C
Enclosure Material CNC Full-Metal Aluminum Alloy
Dimensions 64mm x 64mm x 35mm (with case)
Operating System Supports Ubuntu, Debian, OpenWrt, Android
Expansion 40-pin GPIO Header

5 reviews

A

Anonymous

Apr 02, 2026

Rating: 5/5

Perfect for VLANs

Handling multiple VLANs without breaking a sweat. Gigabit speeds are genuine.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Excellent OpenWrt Router

Setup was straightforward. The dual NICs work perfectly for a firewall setup. Metal case keeps it cool.

A

Anonymous

Mar 11, 2026

Rating: 3/5

Good but needs knowledge

Not plug and play for beginners. Had to flash the image myself. Works well once configured.

A

Anonymous

Mar 07, 2026

Rating: 4/5

Great performance, slight heat

Runs Docker containers smoothly. The fan is a bit noisy under load but acceptable.

A

Anonymous

Feb 09, 2026

Rating: 5/5

Solid Build Quality

The CNC enclosure feels premium compared to plastic cases. Ports are tight and secure.

5 FAQ

Q: Does the fan run constantly?

A: The fan is temperature-controlled. It spins up when the CPU reaches certain thresholds.

Q: Does this come with a power adapter?

A: No, the board and case are included. You need a 5V/3A Type-C adapter separately.

Q: What is the maximum eMMC storage size supported?

A: It supports eMMC modules up to 128GB typically, depending on the module vendor.

Q: Is WiFi supported on this board?

A: The R4S does not have built-in WiFi. It is designed for wired Ethernet connections.

Q: Can I use this for Home Assistant?

A: Yes, many users run Home Assistant OS or Container successfully on the R4S.

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