Description
Specifications
| Technical Information | |
| Number of Screens | 1 |
| Screen Size Class | 55″ |
| Viewable Screen Size | 54.6″ |
| Screen Mode | 4K UHD |
| Panel Technology | In-plane Switching (IPS) |
| Response Time | 8 ms |
| Response Time Details | 8ms GTG |
| Aspect Ratio | 16:9 |
| Pixel Pitch | 0.3150 mm x 0.3150 mm |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Mount Type | Panel Mount |
| Backlight Technology | Edge LED |
| Features | Cable Lock Slot, BFR Free, PVC Free, Security Lock, Arsenic-free Glass, Easy Arrange, Flicker-free, Anti-glare, Mercury-free, Low Blue Light |
| Glass Hardness | 3H |
| Active Display Area (H x V) | 1209.60 mm x 680.40 mm |
| Video | |
| Maximum Resolution | 3840 x 2160 |
| Standard Refresh Rate | 60 Hz |
| Colour Supported | 1.07 Billion Colours |
| Native Contrast Ratio | 1,200:1 |
| Brightness | 400 cd/m² |
| Colour Gamut | 72% NTSC |
| Maximum Preset Resolution | 3840 x 2160 at 60 Hz |
| Pixel Per Inch (PPI) | 81 |
| Audio | |
| Number of Speakers | 2 |
| Speakers | Yes |
| Interfaces/Ports | |
| Connectivity | 1 x DP 1.4, 1 x DP Out (MST), 1 x USB Type-C (PD 90W), 1 x USB Type-C 3.2 Gen 1 (15W), 2 x HDMI 2.0, 2 x USB-A 3.2 Gen 1, 1 x USB-B 3.2 Gen 1, 1 x Analog 2.0 audio out, 1 x RJ45, 1 x RS232 |
| USB Type-C (Power Delivery) | 90 W |
| Audio Line Out | Yes |
| Built-in Devices | USB Hub |
| Environmental Conditions | |
| Operating Temperature Range | 0°C to 40°C |
| Non-operating Temperature Range | -20°C to 60°C |
| Operating Humidity Range | 10% to 80% (Non-condensing) |
| Non-operating Humidity Range | 5% to 90% (Non-condensing) |
| Maximum Operating Altitude | 5 km |
| Maximum Non-operating Altitude | 12.19 km |
| Power Description | |
| Operating Power Consumption | 77.10 W |
| Standby Power Consumption | 500 mW |
| Off-Mode Power Consumption | 300 mW |
| Energy Efficiency Class | F (till 28th February 2021) |
| Frequency | 50 Hz / 60 Hz |
| Maximum Power Consumption | 300 W |
| Voltage Current | 1.50 Ah |
| Physical Characteristics | |
| VESA Mount Compatible | Yes |
| VESA Mount Standard | 400 x 300 mm |
| Height | 727.83 mm |
| Width | 1247.43 mm |
| Depth | 79.80 mm |
| Weight | 22.40 kg |
| Weight with Stand | 23.30 kg |
| Miscellaneous | |
| Package Contents | Pro 55 Plus 4K Monitor, OptiPlex Holder, Remote Control, 2 x Batteries (AAA), Quick Setup Guide, Safety, Environmental, and Regulatory Information |
| Cables Included | Power Cable, Power Cable for OptiPlex, DisplayPort-to-DisplayPort Cable (3.0m), HDMI-to-HDMI Cable (3.0m), USB-C Gen1 Cable (1.8m), USB 3.2 Gen1 Type A-to-B Cable (1.8m) |
| Energy Star | Yes |
| TCO Certified | Yes |
| Dell Display Manager Compatibility | Yes |
| Remote Asset Management | Dell Command |
| Environmentally Friendly | Yes |
| Environmental Certification | EPEAT Gold, EPEAT Climate+, TCO Certified Displays, TCO Certified Edge |
| Environmental Compliance | RoHS |






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