ROCK 4B
An Upgraded ROCK 4A SBC with WiFi5 & BT5 and PoE Support

Radxa ROCK 4B
- Overview
- Tech Spec
- Documentation
- Downloads
- Support
Rockchip RK3399
64-bit SoCDual Display 4K & 2K
WiFi5 & BT5
Gigabit Ethernet
Arm® big.LITTLE™ technology
Dual Cortex™ A72 frequency 1.8GHz and Quad Cortex™ A53 frequency 1.4GHz

AnTuTu - Total score :

Arm® Mali™ T860MP4 GPU
Support OpenGL ES1.1/2.0/3.0/3.1/3.2, OpenCL1.2,DirectX11.1 etc
FP32 Performance in GFLOPS


Experience the Charm of Dual Display and 4K
Support H.265/VP9 (HEVC) hardware decode (up to 4Kp60)
Support H.264 hardware decode (up to 1080p60)
Standard HDMI ports support displays up to 4Kp60fps
MIPI DSI interface Support 1080p@60fps

*HDMI and MIPI DSI can work at the same time, support mirror mode or extend mode.
Multiple Storage and Booting OS Solution
eMMC, TF Card and M.2 M Key Connector
High Speed and Capacity to Fulfill Diverse Storage Needs
TF Card
Supports up to 256 GB TF card
eMMC
Supports up to 128 GB
M.2 M Key
Supports up to 2TB M.2 M Key NVMe SSD
Both Wired and Wireless Connectivity
Supporting 802.11 b/g/n/ac (WiFi 5) wireless LAN, BT 5.0 with BLE
Gigabit Ethernet with Power over Ethernet (PoE) support (additional HAT is required for powering from PoE)
Gigabit Ethernet with PoE
Supporting 802.11 b/g/n/ac (WiFi 5) wireless LAN
BT 5.0 with BLE
Various Accessories Support
Radxa Display 8 HD
Radxa ROCK Pi 23W PoE
Radxa M.2 Extension Board
Radxa Penta SATA HAT
Raspberry Pi Camera
Module 2Raspberry Pi 7" Touch Screen
Comprehensive Technical Documentation,
Active Community, and Extensive OS Support
Comprehensive Technical Documentation and Active Community!
Radxa provides comprehensive technical documentation, empowering users to fully utilize their products. At the same time, they actively maintain an engaged community, fostering communication and collaboration among users.
Extensive Open-Source OS Support
Experience comprehensive support for a diverse range of open-source operating systems on our SBCs. In addition to Radxa's backing, we actively collaborate with third-party OS organizations, providing you with an extensive selection of options. Empower your projects with exceptional versatility and innovation as you discover both Radxa and third-party supported OS choices here.
Additional Features
Camera
MIPI CSI 2 lanes via FPC connector
Support up to 800 MP camera
The Camera connector features a compact 1mm pitch
Headphone Jack
One 3.5mm audio jack (MIC input)
HD codec that supports up to 24-bit/96KHz audio
USB 2.0
2x USB2 Host ports
USB 3.0
1x USB3 OTG port
1x USB3 HOST port
40x Color GPIO
Supporting various interface options:
2 x UART
2 x SPI bus
3 x I2C bus
1 x PCM/I2S
1 x SPDIF
2 x PWM
1 x ADC
6 x GPIO
2 x 5V DC power pin
2 x 3.3V power pin
Radxa ROCK 4B
Global
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