ROCK 4A
A Classic SBC with Dual Display and 4K
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ROCK 4B
An Upgraded ROCK 4A SBC with WiFi5 & BT5 and PoE Support
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Rockchip RK3399
ArmĀ® big.LITTLEā¢ technology
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ArmĀ® Maliā¢ T860MP4 GPU
Support OpenGL ES1.1/2.0/3.0/3.1/3.2, OpenCL1.2, DirectX11.1 etc
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Experience the Charm of Dual Display and 4K
> Support H.265/VP9 (HEVC) hardware decode (up to 4Kp60)
> Support H.264 hardware decodes (up to 1080p60)
> Standard HDMI ports support displays up to 4K@60fps
> MIPI DSI interface Support 1080p@60fps
*HDMI and MIPI DSI can work at the same time, support mirror mode or extend mode.
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Multiple Storage and Booting OS Solution
eMMC, Micro SD Card and M.2 M Key Connector
High Speed and Capacity to Fulfill Diverse Storage Needs
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Both Wired and Wireless Connectivity
> Supporting 802.11 b/g/n/ac (Wi-Fi 5) wireless LAN, BT 5.0 with BLE
> Gigabit Ethernet with Power over Ethernet (PoE) support (additional HAT is required for powering from PoE)
Note: Wireless LAN and Bluetooth, as well as PoE-enabled Ethernet, are only available in ROCK 4B. ROCK 4A lacks built-in wireless and PoE capability.
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Various Accessories Support
Official Accessories:
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Third Party Accessories:
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Comprehensive Technical Documentation and
Active Community
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Additional Features
Camera
MIPI CSI 2 lanes via FPC connector
Support up to 800 MP camera
The Camera connector features a compact 1mm pitch
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Headphone Jack
One 3.5mm audio jack (MIC input)
HD codec that supports up to 24-bit/96KHz audio
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USB 2.0
2x USB2 Host ports
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USB 3.0
1x USB3 OTG port
1x USB3 HOST port
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Gigabit Ethernet (ROCK 4A)
GbE LAN without Power over Ethernet (PoE) support
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40x Color GPIO
Supporting various interface options:
2 x UART,Ā 2 x SPI bus,Ā 3 x I2C bus,Ā 1 x PCM/I2S,Ā 1 x SPDIF,Ā 2 x PWM,Ā 1 x ADC,Ā 6 x GPIO,Ā 2 x 5V DC power pin,Ā 2 x 3.3V power pin
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Interfaces
Radxa ROCK 4A
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Radxa ROCK 4B
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Tech Specs
| Specification |
Radxa ROCK 4A |
Radxa ROCK 4B |
| SoC |
Rockchip RK3399 |
| CPU |
Dual-Core Cortex-A72 @ 1.8GHz + Quad-Core Cortex-A53 @ 1.4GHz |
| GPU |
Mali-T860MP4 (OpenGL ES 1.1ā3.2, Vulkan 1.0, OpenCL 1.1/1.2, DirectX 11.1) |
| Multimedia |
H.265/VP9 4Kp60 decode, H.264 1080p60 decode |
| RAM |
2GB / 4GB LPDDR4 |
2GB / 4GB LPDDR4 |
| Storage |
eMMC, M.2 M Key (PCIe 2.1 x4), microSD |
eMMC, M.2 M Key (PCIe 2.1 x4), microSD |
| Display |
HDMI (4Kp60), 2-lane MIPI DSI |
HDMI (4Kp60), 2-lane MIPI DSI |
| Camera |
1x 2-lane MIPI CSI |
1x 2-lane MIPI CSI |
| Wireless |
Not Available |
WiFi 5 (802.11ac), Bluetooth 5.0 with BLE |
| Ethernet |
Gigabit Ethernet (No PoE) |
Gigabit Ethernet with PoE (PoE HAT required) |
| USB |
1x USB3 HOST, 1x USB3 OTG, 2x USB2 HOST |
1x USB3 HOST, 1x USB3 OTG, 2x USB2 HOST |
| Audio |
4-ring 3.5mm Jack, 24-bit/96KHz codec |
4-ring 3.5mm Jack, 24-bit/96KHz codec |
| GPIO |
40-pin GPIO: 2x UART, 2x SPI, 3x I2C, 1x PCM/I2S, 1x SPDIF, 2x PWM, 1x ADC, 6x GPIO, 2x 5V, 2x 3.3V |
| Software |
Debian Linux and Android support |
| Power Input |
USB PD 2.0: 9V/2A, 12V/2A, 15V/2A, 20V/2A
QC 2.0/3.0: 9V/2A, 12V/1.5A
Fixed voltage 6Vā24V via USB-C
5V from GPIO pins 2 & 4 |
| Operating Temp |
Recommended: 0ā50Ā°C; Throttle limit: 80Ā°C; Use heatsink/fan for full performance |
| Dimensions |
85 mm x 56 mm |
| Certification |
Not Specified |
FCC / CE |
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Download
Documentation
| Getting Started withĀ your ROCK 4A/4B. |
Download |
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Product Information
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Official Images
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