Gigabyte's decided that overclocking should play a large part in the GA-G1975X's makeup, and a couple of plastic ducts are designed and implemented to cool the hot-running components in and around the CPU socket area. Keeping in with adding fancy names for basic technology, this board is the first of the G1 Turbo line, epitomised by the custom cooling.
http://www.hexus.net/content/item.php?item=4019