Card size board

* Processor: Rockchip RK3128, Quad Core Cortex-A7 @1.2GHz
* RAM: 512MB
* Flash: 4GB eMMC
* Interfaces: 4x USB Host, 1x USB OTG, 1x debug connector, LCD(LVDS/MIPI), Ethernet, HDMI, Audio/CVBS(AV) out, SD, GPIO, Camera, battery connector
* Operating system: Android6.0
* Board size: 85mm x 56mm
 

* Processor: Allwinner A31S Quad-core ARM Cortex A7 @1GHz
* RAM: 1GB
* NAND Flash: 4GB eMMC
* Interface: 2x USB Host, 1x USB OTG, HDMI, UART, Audio, Ethernet, LCD, RTC, TF, GPIO, Camera, Battery connector
* Operating system: Android4.2, Linux3.3
* Board size: 92mm x 65mm

* Processor: Freescale i.MX6Q quad-core ARM® Cortex™-A9 CPU @1.2GHz
* RAM: 1GB/2GB optional
* NAND Flash: 4GB/8GB(32GB extendable) eMMC
* Interface: 2x USB Host, 1x USB OTG, 1x UART(RS232), HDMI, VGA, Audio, SPK, Ethernet, LCD, LVDS, RTC, TF, SATA, Camera, Battery connector
* Operating system: Android4.2.2, Ubuntu 12.04
* Board size: 100mm x 72mm
 

* Processor: Samsung ARM Cortex-A8 S5PV210AH @1GHz
* RAM: 512MB
* NAND Flash: 4GB eMMC
* Interface: 2x USB Host, 1x USB OTG, 1x UART(RS232), HDMI, VGA, Audio, SPK, Ethernet, LCD, RTC, TF, Camera, GPIO
* Operating system: Android4.0.4, Linux 3.0.8
* Board size: 100mm x 65mm