RTX 4070 Questions

So I have a future build in mind which will include the RTX 4070, but I am unfamiliar with resolution/screens. Does anyone know the actual resolution it has/uses? Many websites have differing results. In addition, can anyone provide some insight into the dual monitor capabilities?

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As an optional question, can anyone recommend a decent monitor? My only requests are that it be decently wide and able to handle potential dual monitor work. Curvature is nice but not required. I have not yet tried nor considered UltraWide but I am open to suggestions.

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For context, I was debating on purchasing two of these.

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Thank you in advance.