The VEX2-DIP168 is a 35mm(L) x 55mm(W), 168 pins, single +5V input, System On Module with Vortex86EX2 build-in 512MB/1GB DDR3; also take advantage of Vortex86EX2 Programmable I/O as a powerful, flexible, tiny and low power module.
Vortex86 Website: https://www.vortex86.com/