What is the difference between 2 0 X16 and 2 1 X 16 graphics cards Tags: Homebuilt Graphics Cards Motherboards New Build Systems Last response: October 14, 2011 1:46 AM in Systems Share miachel October 14, 2011 1:09:20 AM I an doing a new build using a ASUS M4A89TD PRO series mother board. The book states the expansion slot supports 2Xpci Express 2.0X16. The new video cards I am looking at are listed at PCIE 2.1X16 will this work? More about : difference x16 graphics cards g-unit1111 a c 87 B Homebuilt system a b U Graphics card a b V Motherboard October 14, 2011 1:17:37 AM The difference is 0.1 Just kidding - I've never heard of PCI-e 2.1 before but everything is pretty much backward compatible, so you should be able to run your card or cards with no problem. scout_03 a b B Homebuilt system a b U Graphics card a b V Motherboard October 14, 2011 1:46:51 AM pci-e 2.1 is just a upgrade of the 2.0 pci-e Can't find your answer ? Ask ! Publish Related resources: ForumDifference between PCI Express 2.0 x16 and PCI Express 2.1 x16 ? ForumWhat is The difference between PCI-E 2.0 and PCI-E 2.0 x16 ? ForumDifference between PCI Express x16 and PCI Express 2.1 x16 ? ForumDifference between PCI express 2.0 x16 and PCI express 2.0 x 4 ForumPCI Express 2.0 x16 : ( 2x 8) or ( x16 , x 8, x 4)... What 's the difference ? ForumHelp! Confused! PCI-E 2.0 vs PCI-E x16 ~ What is the difference ? ForumCompatibility between PCI-E x16 Mobo and PCI-Ex 16 2.1 Graphics Card ForumWhat 's the difference between PCI express 2.0 x16/2.0 x8/2.0 x 4? ForumPCI-E 2.0 x16 GTX 260 on PCI-E 1.0 MBoard? ForumPCI Xpress x16 1.0 running 2.0 vid cards ? ForumPCI x16 2.0 cards in 1.0 slots ForumX 38 and Dual PCI Express 2.0 x16 graphics ForumPCIe x16 vs. PCIe 2.0 : Is there a difference ? ForumPCI Express x16 or x16 2.0 Motherboard ForumPCI compatibility question ForumWhat wireless card will be compatible with Optiplex 755 ForumIntegrated Graphics through 42" TV ForumGraphics card woes ForumTell me what you think on my $1700 intel i5 2500k build ForumMy first build what do you think? More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !