Radxa ROCK Pi 4C Plus
Expert rating7.3 / 10
- SoC:
- Rockchip RK3399
- CPU:
- Dual Cortex-A72 @ 2.0GHz + Quad Cortex-A53 @ 1.5GHz
- Memory:
- 4GB LPDDR4
- Storage:
- microSD + M.2 NVMe (M-key)
- Price:
- $79
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Manufacturer: Radxa Last updated: 2026-09-12
Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display) Review
Radxa ROCK Pi 4C Plus single-board computer with Rockchip RK3399 big.LITTLE CPU, 4GB LPDDR4 RAM, onboard eMMC socket, M.2 NVMe slot, and dual 4K-capable display outputs on a 40-pin GPIO-compatible board.
The 4C Plus updates Radxa's original ROCK Pi 4 with an onboard PMIC and cleaner power delivery, and the M.2 NVMe slot -- paired with the RK3399's still-respectable big.LITTLE performance -- makes it a favorite for lightweight NAS builds where a real SSD beats microSD reliability.
Overview
Built around the well-proven RK3399 (also used in early Chromebooks), the ROCK Pi 4C Plus pairs two high-performance A72 cores with four efficiency A53 cores, giving it strong single-thread performance for its generation alongside genuinely usable multitasking.
Performance & Connectivity
An M.2 M-key NVMe slot, USB 3.0, Gigabit Ethernet, dual display outputs (HDMI + DisplayPort over USB-C), and a 40-pin Pi-compatible header make the 4C Plus unusually well connected for its price point, and Radxa maintains active Debian and Android images.
Comparison to Alternatives
Against the Raspberry Pi 4 Model B (8GB), the ROCK Pi 4C Plus offers a built-in NVMe slot the Pi 4 lacks natively, at the cost of a smaller software ecosystem. Compared to the newer Radxa ROCK 5A, the 4C Plus is noticeably slower but remains a budget-friendlier way to get NVMe storage on a GPIO-compatible board.
Specifications
Identity
| Brand | Radxa |
|---|
| CPU Architecture | ARM |
|---|---|
| Memory | 4 GB |
| Storage Type | NVMe/M.2 |
| Has AI Accelerator / NPU | No |
| Wireless | WiFi 5 |
| GPIO Header | Yes |
| Price | 79 USD |
| Use Case | General Purpose |
| Model | ROCK Pi 4C Plus |
| Processor | Rockchip RK3399, Dual Cortex-A72 @ 2.0GHz + Quad Cortex-A53 @ 1.5GHz |
| GPU | Mali-T860MP4 |
| Power | 5V/3A USB-C |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating7.3 / 10
A well-rounded RK3399 board whose onboard NVMe slot is the standout feature for NAS and storage-heavy hobby projects.
Best for
- Small NAS or backup servers using an NVMe SSD
- Dual-monitor lightweight desktop Linux use
- Projects wanting Pi-style GPIO with better storage options
Not for
- Buyers who need first-party Raspberry Pi OS support
- AI inference or NPU-accelerated workloads
- Absolute lowest-cost GPIO projects (Milk-V Mars is cheaper)
FAQs
What are the key specifications of the Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display)?
The Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display) is a single board computer from Radxa. Key specs: Processor Rockchip RK3399, Dual Cortex-A72 @ 2.0GHz + Quad Cortex-A53 @ 1.5GHz, CPU Architecture ARM, GPU Mali-T860MP4, Memory 4, Storage Type NVMe/M.2.
Will the Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display) work with my current setup?
The Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display) lists Processor is Rockchip RK3399, Dual Cortex-A72 @ 2.0GHz + Quad Cortex-A53 @ 1.5GHz. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display) best suited to?
It suits small nas or backup servers using an nvme ssd, dual-monitor lightweight desktop linux use, projects wanting pi-style gpio with better storage options.
What are the drawbacks of the Radxa ROCK Pi 4C Plus (Single-Board Computer/Rockchip RK3399/Hexa-Core Cortex-A72+A53/4GB LPDDR4/M.2 NVMe and Dual Display)?
It is a poor fit for buyers who need first-party raspberry pi os support, ai inference or npu-accelerated workloads, absolute lowest-cost gpio projects (milk-v mars is cheaper).
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