Review of Linux Compatibility
The Gigabyte GB-XM12-3227 is a PC which comes in small dimensions (29.9 mm x 107.9 mm x 114.6 mm) and included internal WiFi (realized via mini PCIe module). The GB-XM12-3227 can be equipped with up to 16 GB RAM (see product specification).
The GB-XM12-3227 is fully supported under Linux (e.g. since Ubuntu 13.04 64 bit), butt needs an additional kernel options to boot successfully
The WiFi bases on a RTL8188CE chipset, which is automatically supported under Ubuntu 13.04.
Additional information regarding the Linux support of the Gigabyte GB-XM12-3227 can be found at http://www.jmichelgarcia.com/2013/gigabyte-brix-as-an-htpc/.