Cubieboard2 Dual-Card Version which named Cb2-2card for short is also a open-source hardware and shares the same PCB with cubieboard2. It has all the features like cubieboard2 except the on-board 4GB NAND Flash. But Cubieboard2 Dual-Card Version has 2 TF card slots and it supports more flexible storage media configuration. This board has lower costs and very suit for geeks and hobbyists.

Allwinner A20 SOC 
96 pin extended interface
Built-in IR receiver
Dual-Card
Supports 2.4GHz wireless keyboard and mouse 

AllWinnerTech SOC A20，ARM® Cortex™-A7 Dual-Core ARM® Mali400 MP2 Complies with OpenGL ES 2.0/1.1
1GB DDR3 @480M
Dual TF card slot, up to 32GB on SD slot, up to 2T on 2.5 SATA disk
5VDC input 2A or USB otg input
1x 10/100 ethernet, support usb wifi
2x USB 2.0 HOST, 1x mini USB 2.0 OTG, 1x micro sd
1x HDMI 1080P display output
1x IR, 1x line in, 1x line out 96 extend pin interface, including I2C, SPI, RGB/LVDS, CSI/TS, FM-IN, ADC, CVBS, VGA, SPDIF-OUT, R-TP, and more