Please give factual info not opinions
http://pcpartpicker.com/part/gigabyte-motherboard-gaz87xhd3
VS
http://pcpartpicker.com/part/asrock-motherboard-z87extreme4
http://pcpartpicker.com/part/gigabyte-motherboard-gaz87xhd3
VS
http://pcpartpicker.com/part/asrock-motherboard-z87extreme4