I currently have a NVIDIA GeForce 7100 and its sucks! So, I want to upgrade to the ATI Radeon HD 5570. My PSU gives me a terrible supply of 160W... But Im goin to upgrade that too. Well the question is: I have a PCI-E X16 slot open, will it be compatible with the HD 5570?
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Yes,PCI-E 2.0 is backward compatible with PCI-E 1.0,so 5570 should work fine on your board.