Yes it has nothing to do with your processor and Windows 7
If your motherboard has PCI E slot, then Video card will work whether it has DDR3 4 OR5.
If the vendor of video card provides you the right drivers fow Windows 7, yup, the video card will work well with OS.
Just to make sure the PSU can handle all the components.
Only the Paranoid Survive
T-T
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