Closed Difference between PCI Express 2.0 x16 and PCI Express 2.1 x16? Tags: Graphics Cards Performance PCI Express ATI Graphics Last response: December 18, 2011 5:22 PM in Graphics & Displays Share Slipperss April 29, 2010 12:02:10 PM I was looking on some ATI 5970 cards, and noticed some of them doesn't have the same PCI-E. What is the difference between PCI Express 2.0 x16 and PCI Express 2.1 x16? Any performance increment or anything? More about : difference pci express x16 pci express x16 shadow187 a c 130 U Graphics card April 29, 2010 12:09:15 PM PCI Express 2.1 supports a large proportion of the management, support, and troubleshooting systems planned to be fully implemented in PCI Express 3.0. However, the speed is the same as PCI Express 2.0. Nothing whatsoever with performance. spooky2th a b U Graphics card May 22, 2010 4:13:44 AM My comp has pci e 2.0 slots. Will a 2.1 rated graphics card work? Can't find your answer ? Ask ! Get the answer jonnyboyC a b U Graphics card May 22, 2010 4:24:44 AM yes pci-e is backwards compatible so it will work, but remember don't highjack another persons thread in the future start your own Can't find your answer ? Ask ! Publish Related resources Difference between PCI Express x16 and PCI Express 2.1 x16 ? Forum PCI Express 2.0 x16 vs PCI Express 2.1 x16 Forum Difference between PCI express 2.0 x16 and PCI express 2.0 x4 Forum PCI Express 2.0 x16 question Forum PCI Express x16 vs 2.0 Forum Difference between pci express x16 and pci express 2 1 x16 Forum What is The difference between PCI -E 2.0 and PCI -E 2.0 x16 ? Forum PCI Express 2.1 x16 GPU work in an Express 2.0 ? Forum PCI Express 2.1 x16 Compatibility Forum Newbie Question - Motherboard & PCI Express x16 Forum PCI Express x16 Interfaces Forum PCI Express x16 or x16 2.0 Motherboard Forum Can a PCI Express 3.0 x16 work in a PCI Express 2.0 x16 PCI Express 2. Forum Need Guidance Forum PCI 2.1 Forum Does any of the ati 5k series support...pci express 2.0 Forum Pci e 16x@4x Forum Choice between 2 graphics cards Forum PCI question Forum Help choosing between GTX295 and HD5870 Forum More resources Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !