i don't know how to check but which one is better, and will theybe compatable with a Nivida card?
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128627
VS
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131873&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10440897&PID=5961731&SID=0
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128627
VS
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131873&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10440897&PID=5961731&SID=0