4k@60

Trying to decide between GIGABYTE G34WQC A 34" 144Hz ($580 CAD) vs the Dell 32 Curved 4K UHD Monitor - S3221QS ($450 CAD + 2% back). Will be using almost always for work (excel, programming, SAP). The 4k Dell feels like a better fit, but I've never experienced >60Hz, and am curious if it...