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Acer Predator 34" Class WQHD IPS Curved G-Sync Gaming Monitor 3440 x 1440 $699.99
Costco (members only) has the Acer X34 for $699 shipped. Compare to Amazon price of $845
Note: reviews indicate it's actually the X34P based on refresh rate.
3440 x 1440 Resolution
100 Hz Refresh Rate (Overclock to 120 Hz)
4ms Response Time
1000:1 Contrast Ratio