RADXA ROCK PI 4 Model C Plus 4G Single Board Computer 4GB LPDDR4 RAM Rock Pi 4 C+

The ROCK PI 4C+ single board computer is a robust, high-performing, multifunctional board based on the powerful Rockchip RK3399‑T SoC. Developed by OKdo in collaboration with Radxa, ROCK PI 4C+ is a perfect Raspberry Pi alternative that incorporates class-leading features.

Interfaces:
802.11 b/g/n/ac (WiFi 5) Wireless LAN
Bluetooth 5.0 with BLE
1 x micro-SD card slot
2 x HDMI ports supporting displays up to 4Kp60 resolution and 2Kp60
2 x USB2 HOST ports
1 x USB3 OTG/HOST port, 1x USB3 HOST port
1 x Gigabit Ethernet port (supports PoE with add‑on PoE HAT)
1 x camera port (2‑lane MIPI CSI)
1 x display port (4‑lane MIPI DSI)
40 x user GPIO supporting a wide range of interface options: 2 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. The GPIO header is 97.5% (39/40) Raspberry Pi compatible.

Technical Specifications
SOC Rockchip RK3399-T
Processor Arm big.LITTLE technology (Dual Cortex-A72@1.5GHz, Quad Cortex-A53@1.0GHz) 
GPU Arm Mali – T860MP4 GPU, supporting OpenGL® ES 1.1 /2.0 /3.0 /3.1 /3.2, Vulkan® 1.0, Open CL® 1.1 1.2 and   DirectX® 11.1
Memory Dual channel (64bit) 4GB LPDDR4 RAM 
Power Req USB C 5V/3A 5V Power applied to the GPIO PIN 2 & 4 (The recommended power source capacity is at least 5V/3A)
HDMI Dual micro HDMI ports supporting displays up to 4Kp60 resolution and 2Kp60
USB 2x USB2 HOST ports1x USB3 OTG/HOST port
                        1x USB3 HOST port
Connectivity   802.11 b/g/n/ac (WiFi 5) Wireless LAN
Bluetooth 5.0 with BLE
Gigabit Ethernet
MIPI 1 x 4 lane DSI/1 x 2 lane CSI
Storage Micro SD / eMMC
UARTS 2 x UART
External Antenna YES
On/Off Power Button YES
Software Full implementation of the Arm architecture v8‑A instructions set, Arm Neon™ Advanced SIMD (single  instructions, multiple data) support for accelerating media and signal processingArmv8 cryptography extensions
TrustZone® technology support
Debian/Ubuntu Linux support
Android 7.1/Android 5.0/Android 10/Android 11 support
GPU enabled Al stack, (e.g. Caffe)
Hardware access/control library for Linux/Android 
Temperature  Operation temperature: 0~50 ℃Storage temperature: -20~80 ℃