Rockchip RK3399 64bit hexa core based SBC: Small form-factor, rich feature set, outstanding design and performance. KEY FEATURES Compatible with android or some Linux distributions. Six core ARM processor Supports USB PD and QC powering. 1GB/2GB/4GB RAM LPDDR4 SPECIFICATIONS 64bit hexa core processor: Dual Cortex-A72, freqency 1.8Ghz with quad Cortex-A53, frequency 1.4Ghz GPU: 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 or 4GB SPI Flash: 4MB SPI flash soldered - NVMe booting from SPI supported Storage eMMC module: Optional industrial compatible high performance eMMC module, 16G/32G/64G/128G available Micro SD 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 Peripherals: 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 (Supports Raspberry Pi Cam v2, others in progress) MIPI CSI 2 lanes via FPC connector, support up to 8MP camera USB 3.0 OTG x hardware switch for host/device switch, upper one USB 3.0 HOST x1 dedicated USB3.0 channel, lower one USB 2.0 HOST x2 LAN:GbE LAN 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 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 Power Supply Qualcomm® Quick Charge™ Support QC3.0/2.0 adapter, 9V/2A, 12V/1.5A Size: 85mm x 54mm NOTES M.2 extension board plus heat-sink is recommended for proper mounting on Rock Pi 4 LINKS Rock Pi 4 - https://wiki.radxa.com/Rockpi4 Getting Started - https://wiki.radxa.com/Rockpi4/getting_started MicroSD Installation - https://wiki.radxa.com/Rockpi4/install/microSD eMMC Installation - https://wiki.radxa.com/Rockpi4/install/eMMC Install on SPI Flash - https://wiki.radxa.com/Rockpi4/dev/spi-install Install on USB Drive - https://wiki.radxa.com/Rockpi4/install/USB Install on NVME - https://wiki.radxa.com/Rockpi4/install/NVME Rock Pi 4 OS Images - https://wiki.radxa.com/Rockpi4/downloads Warranty is valid for a year, starting upon date of receipt.