Graphics card in a PCI-Ex16 and x4

wildhockey4057

Honorable
Apr 25, 2014
55
0
10,630
I was just about to buy a second r9 270x to run in crossfire when I realized that my second PCI-E slot is only running at x4 while the main one is running at x16. Will this change the performance while in crossfire or will I hardly notice it? Im using a Gigabyte GA-970A-DS3P motherboard.