Continuing our OLinuXino line of products here comes the Allwinner A20 development board. It has everything you might possibly need from the board - HDMI, plenty of memory, two SD card connectors, plenty of GPIOs, and all that while keeping a reasonably form factor and the perfect value.
FEATURES
A20 Cortex-A7 dual-core ARM Cortex-A7 CPU and dual-core Mali 400 GPU
1GB DDR3 RAM memory
NO NAND FLASH memory
NO BUILT-IN OS
SATA connector with 5V SATA power jack
Built-in FullHD support (1080p)
2 x USB High-speed host with power control and current limiter
USB-OTG with power control and current limiter
HDMI output with ESD protectors
VGA output on 6-pin 1.25mm (0.05") step connector
100MBit native Ethernet
Battery connector with battery-charging capabilities
Audio headphones output
Microphone input on connector
2 x UEXT connectors
LCD connector compatible with with 4.3", 7.0", 10.1" LCD modules from Olimex
160 GPIOs on three GPIO connectors
MicroSD card connector
SD/MMC card connector
DEBUG-UART connector for console debug with USB-SERIAL-CABLE-F
GPIO LED
Battery charge status LED
Power LED
2KB EEPROM for MAC address storage and more
10 BUTTONS with ANDROID functionality + RESET button
4 mount holes
6-16V input power supply, noise immune design
PCB dimensions: (5600 x 3250) mils ~ (142.24 x 82.55) mm