Will NVIDIA GTX 960 2GB be effected by PCI-E 2.0

Lam1080p

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Nov 23, 2014
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Hello, my motherboard (GA-H81M-H) has a PCI-E 2.0 slot which my 960 2GB is in - will this effect performance? If it will, my current case is a micro ATX so I may need a case upgrade as well.