I am absolutely confused regarding these two Mobos. What's the difference?
Z170A SLI Plus LGA - http://www.newegg.com/Product/Product.aspx?Item=N82E16813130900&cm_re=Z170a-_-13-130-900-_-Product
SLI LGA - http://www.newegg.com/Product/Product.aspx?Item=N82E16813130902&cm_re=Z170a-_-13-130-902-_-Product
Z170A SLI Plus LGA - http://www.newegg.com/Product/Product.aspx?Item=N82E16813130900&cm_re=Z170a-_-13-130-900-_-Product
SLI LGA - http://www.newegg.com/Product/Product.aspx?Item=N82E16813130902&cm_re=Z170a-_-13-130-902-_-Product