Humidity can play havoc on a motherboard's circuitry. Gigabyte's glass fabric PCB design helps protect against electrical shorts due to humidity by reducing the gaps in spacing between PCB filaments. The Gigabyte motherboard is fully configured to provide gamers with the PCI Express technology, delivering maximum data bandwidth for forthcoming discrete graphics cards. The Er P is part of the European Union's environmental regulations policy. It is based on concern for the environmental as the proliferation of electronic devices continues, & how to improve energy efficiency for a better & greener life. Gigabyte supports Er P & motherboards that help you effectively improve system efficiency.