| Color Category | Black |
| Display Backlight Technology | LED backlight |
| Display Contrast Ratio | 1000:1 |
| Display Image Brightness | 350 candela per square metre |
| Display Position Adjustments | Tilt , Swivel , Height |
| ENERGY STAR Certified | Yes |
| EPEAT Compliant | Yes |
| Input Signal | 2xHDMI, 2xDisplayPort, USB-C |
| Model | U4320Q |
| Monitor Aspect Ratio | 16:9 |
| Native Resolution | 3840 x 2160 |
| Product Line | Dell UltraSharp |
| Response Time | 5 millisecond |
| Screen Size | 42.5 inch |
| TCO Certified | No |
| V-Sync Rate at Max Res. | 60 hertz |
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