Parallella-16 Desktop Computer

http://adapteva.myshopify.com/collections/featured-products/products/parallella-16-desktop-computer

Parallella-16 Desktop Computer Specifications:
Xilinx Zynq®-7010 All Programmable SoC (XC7Z010) with Dual Core ARM A9 CPU
Epiphany III (16-core CPU Accelerator)
1GB DDR3 SDRAM
128Mb Quad-SPI flash
Ethernet 10/100/1000
Micro HDMI port
Micro SD card slot
Micro USB 2.0 host port
Dimensions are 3.4” x 2.1”
Less than 5 Watt typical power consumption
Four 60-pin high speed expansion connectors (“PEC”) for FPGA signals, Epiphany links, and power distribution including 24 GPIO ports
Included in the box: Parallella-16 Board, Heatsink, 5VDC Wall Adapter PSU

Its main OS is GNU/Linux.

I need a backup computer pretty soon. I decided to try a single board PC this time. Parallella-16 Desktop Computer has average power consumption is 5 Watt and credit card size.