Rock Pi 4 Model B

Name: Rock Pi 4 Model B
Brand: Rock Pi 4 Model B

Powerful SBC with RK3399 and 4K video for makers

hardwareARM Single-Board Computers SBC RK33994K

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Our Verdict

Best for

Makers and edge‑AI developers needing 4K video and NVMe storage

Skip if

Users requiring built‑in Wi‑Fi 6 or extensive accessory ecosystem

What is Rock Pi 4 Model B?

The Rock Pi 4 Model B is a single‑board computer built around the Hexa‑core Rockchip RK3399 processor, offering up to 4 GB LPDDR4 RAM, dual‑channel eMMC, and a full‑size HDMI 2.0 port for 4K@60Hz output. Its compact 85 mm × 56 mm board includes USB‑C Power Delivery, USB‑3.0, Gigabit Ethernet, Wi‑Fi 802.11ac and Bluetooth 5.0, making it suitable for both headless servers and media‑center projects. Designed for hobbyists, developers, and edge‑AI applications, the Rock Pi 4 supports Linux, Android, and various open‑source OS images. The board’s GPIO header, PCIe‑x1 lane (via M.2 slot), and optional carrier boards enable expansion into robotics, AI inference, and networking appliances.

SpecificationsAI-estimated

msrp$99 (2 GB) – $149 (4 GB)

weight≈ 70 g

warranty1 year

dimensions85 mm x 56 mm

open source✅ Yes

connectivityWi‑Fi 802.11ac (optional Wi‑Fi 6), Bluetooth 5.0, Gigabit Ethernet, HDMI 2.0, USB‑C, USB‑3.0, M.2 (PCIe ×1, SATA)

Key Features of Rock Pi 4 Model B

Supports up to 4 GB LPDDR4 RAM and dual‑channel eMMC 5.1 for fast storage access.

Provides a full‑size HDMI 2.0 port capable of 4K@60 Hz video output for media and display projects.

Includes a USB‑C port with Power Delivery and DisplayPort Alt‑Mode, plus two USB‑3.0 Type‑A ports for high‑speed peripherals.

Features Gigabit Ethernet, Wi‑Fi 802.11ac (and optional Wi‑Fi 6 module) and Bluetooth 5.0 for robust connectivity.

Offers an M.2‑E key slot for Wi‑Fi/BLE modules and an M.2‑B key slot with PCIe ×1 lane for NVMe SSD expansion.

Provides a 40‑pin GPIO header compatible with Raspberry Pi accessories, enabling easy prototyping.

Runs a wide range of OSes including Debian, Ubuntu, Android, and Rockchip’s official Linux images.

Use Cases for Rock Pi 4 Model B

Home media center

Stream 4K video and run Kodi or Plex on a compact, low‑power platform.

Edge AI inference

Deploy TensorFlow Lite models on the RK3399 GPU for real‑time analytics.

IoT gateway

Connect sensors via GPIO and forward data over Wi‑Fi or Ethernet to the cloud.

Development workstation

Run Linux desktop environments for software development and testing.

Pros & Cons of Rock Pi 4 Model B

Pros

High‑performance hexa‑core CPU
Native 4K video output
Expandable storage via M.2 NVMe
Broad OS support and community

Cons

Wi‑Fi module optional for Wi‑Fi 6
Limited official accessories compared to Raspberry Pi
Power delivery requires compatible USB‑C charger

Frequently Asked Questions

Does the Rock Pi 4 support dual‑monitor setups?

It has a single HDMI 2.0 port; dual‑monitor can be achieved via USB‑C DisplayPort output with an adapter.

Can I run Windows 10 on this board?

Officially only ARM‑based Linux and Android are supported; Windows 10 IoT Core may run but is not officially provided.

What is the maximum RAM configuration?

The Model B is available with up to 4 GB LPDDR4 RAM.

Is the hardware open source?

The schematics are publicly available, making it an open‑hardware platform.

Pricing Overview

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Paid (One-time)

Detailed plans are not listed. Visit the official website for pricing information.

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