Passively cooled Bay Trail board has full-sized slots, microATX footprint
 

Intel's Bay Trail SoC has popped up on another PC motherboard. Unlike most implementations, which stick to the Mini-ITX form factor, Biostar's J1900MH2 opts for a larger microATX footprint with plenty of room for full-sized slots, extra expansion options, and a beefy passive heatsink.

http://techreport.com/news/27506/pas...oatx-footprint