A thing I notice right away is the PCIe port is 3.0 on the cards and my MB supports 2.0
I just need to know if I'll need to upgrade my MB to use these cards.
Thank you for your time
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More aboutlooking upgrade motherboard support
PCI-E 3.0 Graphics cards are compatible with their 2.0 predecessors so it'll work fine. The 7850 only needs 1 PCI-E 6 pin connector while the 7870 needs 2 so make sure your power supply has enough PCI-E 6 pin connectors.