You should be good to go as PCIe 2.0 is backward compatible. However, why would you feet 3 of these cards ? Do you know you can add more ports using an expander board (not using more PCIe slot) ? François On Fri, 17 Sep 2010 16:32:36 +0530, Anita Hall wrote: Hi Does Sangoma 8-port card A108 support PCIe version 2.0 ? The card is here http://www.sangoma.com/products/hardware_products/digital_voice_and_data_net... [1] And we want to use 3 such cards in this motherboard because it has 3 PCIe slots of version 2.0 http://www.intel.com/products/desktop/motherboards/DX58SO/DX58SO-overview.ht... [2] Is this a good idea ? Do you have any experience with multiple A108 with PCIe on the same motherboard that supports PCIe 2.0 ? Any comments will be helpful. Thanks, Anita Hall Simmortel Voice. Links: ------ [1] http://www.sangoma.com/products/hardware_products/digital_voice_and_data_net... [2] http://www.intel.com/products/desktop/motherboards/DX58SO/DX58SO-overview.ht...