Dell P Series P2225H. Display Diagonal: 54.6 Cm 21.5" Display Resolution: 1920 X. DELL P Series P2225H., Viewing angle, vertical: 178??. Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). 100Hz Refresh Rate Hear our expert explain and provide a side-by-side comparison between a monitor with a 60Hz vs a 100Hz refresh rate.
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