86Duino provides an ideal solution for the Arduino and embedded system with desired performance.
● Vortex86EX Processor86Duino_ZERO-45D
300MHz 32-bit x86
128MB DDR3
LAN
USB 2.0
Micro-SD
● Open-Source Hardware
● Support DOS, Windows, Linux
● Arduino-Compatible IDE
● Arduino “Leonardo” form factor
[Source] 86Duino.com