PCI Express help Tags: Graphics Cards Motherboards MSI PCI Express Graphics Last response: August 1, 2008 9:40 AM in Graphics & Displays Share nytz August 1, 2008 9:10:31 AM Hello there, My current Motherboard: MSI K9AGM2 says on the package that it supports 1 PCI-Express 16z VGA card and 1 PCI-Express 1x.. does this mean i cant run a card that supports PCI-express 2.0 like the 4870 that im going to buy. Thank you. More about : pci express royalcrown August 1, 2008 9:22:12 AM No Nytz, pci express is backwards compatible, you can run a 2.0 card in a 1.xx slot, or a 1.xx card in a 2.0 slot without problems. 1x16 has the same bandwidth as 2x8, and 2x18 has twice what 1x16 has and you can run any card in any of those, exen in a pcie 1x8 although it would be a bottleneck to your card. http://en.wikipedia.org/wiki/PCIe nytz August 1, 2008 9:28:31 AM Ok, thank you alot Can't find your answer ? Ask ! Get the answer royalcrown August 1, 2008 9:40:32 AM that was 2x8 btw not 2x18...lol. sure np. Can't find your answer ? Ask ! Publish Related resources Biostar PCI express 3.0 x16 help Forum Pci express 3.0 vs 2.1 etc compatibility help Forum Most powerful PCI GPU (non express ) Forum PCI Express help Forum Help needed between Pci-express and Pci-Express 2.0! Forum PCI Express Half Mini Card Slot - Graphics Card? Forum Adding a second 6 pin PCI Express power cable to 600 watts PSU Forum Graphics card adding through PCI express card slot/bus Forum PCI Express X16 Slot. Help Forum PCI express slot? why is nothing simple? Forum PCI Express 2 0 x16 & x4, Will this bog down my performance with two cards? Forum Trying to find a gaming card for older PCI ...not PCI -e PCI express Forum PCI-Express Help !!!!!! Forum PCI express 3.0 Graphics Cards vs PCI express 2.0 Graphics Cards Forum Looking for new PCI Express 2 GFX Card Forum How do I update my PCI Express ? Forum Pci express question Forum Gtx 660 [non-ti] or Radeon HD 7850 Forum Help finding an 8-bit 24'' display for gaiming. Sorry if this is a rep Forum Dvi to Hdmi help 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 !