Hello, I'm Jewel with Kingston Technical Support and would like to offer our assistance. Our part number KVR16N11/2 is compatible with both the A55M-HVS and F1A75-M Pro motherboards. You can check for compatible modules for any motherboard on our Memory Configurator here: http://www.kingston.com/br/memory/search/options/ . For further assistance, please call us at 1-800-435-0640 (USA and Canada only) M - F 6am - 6pm PT and I or another available Technician will assist you. Or if you are in Brazil, the local technical support team can be reached at 55 11 2127 8600. Please be sure to have the part in question on hand when you call.
Thank you for selecting Kingston as your upgrade partner.