Datasheet

CSI (CAMERA)
ETHERNET
USB 2.0 x2
ROCK PI Specifications
Model
ROCK PI 4 Model A
ROCK PI 4 Model B
GPIO GPIO
HDMI
Audio
HDMI
Audio
Power Power
Processor
64bit hexa core processor
Rockchip RK3399
Dual Cortex-A72, frequency 1.8Ghz with quad Cortex-A53, frequency 1.4Ghz
Mali T860MP4 GPU, supports OpenGL ES 1.1 /2.0 /3.0 /3.1 /3.2, Vulkan 1.0, Open CL 1.1 1.2, DX11.
Memory
LPDDR4
64bit dual channel LPDDR4@3200Mb/s, 1GB/2GB/4GB optional
Storage
eMMC module
Optional industrial compatible high performance eMMC module, 8G/16G/32G/64G/128G available
uSD card
uSD slot supports up to 128G uSD card
M.2 SSD
M.2 connector supports up to 2T M.2 NVME SSD
Display
HDMI
HDMI 2.0 up to 4k@60
MIPI DSI
MIPI DSI 2 lanes via FPC connector
HDMI and MIPI DSI can work at the same time, support mirror mode or extend mode.
Audio
3.5mm jack with mic
HD codec that supports up to 24-bit/96kHz audio.
Camera
MIPI CSI
MIPI CSI 2 lanes via FPC connector, support up to 800MP camera
Wireless
None 802.11
ac/b/g/n
Bluetooth 5.0
with on board antenna
USB USB 3.0 OTG x1
hardware switch for host/device switch, upper one
USB 3.0 HOST x1
dedicated USB3.0 channel, lower one
USB 2.0 HOST x2
Ethernet
GbE LAN GbE LAN with PoE support
additional HAT is required for powering from PoE
IO
40-pin expansion header :
- 1 x UART
- 2 x SPI bus
- 2 x I2C bus
- 1 x PCM/I2S
- 1 x SPDIF
- 1 x PWM
- 1 x ADC
- 6 x GPIO
- 2 x 5V DC power in
- 2 x 3.3V power pin
Others
RTC
RTC battery connector for time backup(optional)
Power
USB PD
Support USB Type C PD 2.0, 9V/2A, 12V/2A, 15V/2A, 20V/2A
Qualcomm® Quick Charge ™
Support QC3.0/2.0 adapter, 9V/2A, 12V/1.5A
Size
85mm x 54mm
CSI (CAMERA)
DSI (DISPLAY)
ROCK
PI 4A v1.3
USB3.0 x2
U
DSI (DISPLAY)
ROCK
PI 4B v1.3
ETHERNET
USB3.0 x2
USB 2.0 x2