Philips Evnia 49M2C8900

This 49-inch, 240Hz, 5120-by-1440-pixel OLED display has inconsistent colors, but the right display mode (and its ambient lighting) can look gorgeous.
Pros and Cons
Pros
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Huge QD-OLED display
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G-Sync and FreeSync up to 240Hz
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Built-in ambient lighting
Cons
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Inconsistent color accuracy
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KVM, power-saving, pixel-refresh features cause frustrations
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Requires ample desk space