Asus Z87-A no pci-e 3.0 option in bios only auto, gen1 and gen2 Tags: Asus BIOS Motherboards PCI Express Last response: May 17, 2014 10:27 AM in Motherboards Share firestarterx May 17, 2014 9:07:16 AM Hello guys, i was looking at my bios settings today of the asus Z87-A and noticed that there is no PCI-E gen3 (3.0) only auto, gen1 and gen2. Can some one tell me how to get gen3 working on this motherboard?. I am suing a MSI gtx 770 gaming OC card. thnx in advance More about : asus z87 pci option bios auto gen1 gen2 Reply to firestarterx Phillip Corcoran a b Ĉ ASUS a c 96 V Motherboard May 17, 2014 9:42:41 AM According to the manual for the Z87-A, there is no "Gen3" setting for PCIe speed in BIOS Setup. You should be able to leave it set on AUTO and have the motherboard auto detect what generation video card you have. Reply to Phillip Corcoran firestarterx May 17, 2014 9:56:59 AM ok so it is by default on pcie 3.0 then? because this motherboard supports pcie 3.0 i have checked that before buying it. Reply to firestarterx Can't find your answer ? Ask ! Get the answer Tradesman1 a c 819 Ĉ ASUS a c 1575 V Motherboard May 17, 2014 10:27:23 AM Yes, default is to PCI-E 3, the Gen 1 and Gen 2 are if you encounter problems (which you shouldn't) but might especially if mixingtwo different cards or SLI/Xfire w/ older cards Reply to Tradesman1 Ask the community Post an answer Related resources SolvedP8B75M-LX PLUS no PCIe 3.0 GEN3 option on BIOS Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !