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| Brand | HP |
| Type | Monitor |
| Size | 28" (inches) |
| Panel | IPS |
| Refresh Rate | 75 Hz |
| Min Response Time | 4 ms |
| Screen Aspect Ratio | 16:9 |
| Screen Resolution | 3840 x 2160 |
| General Info | |
|---|---|
| Type | Monitor |
| Year | 2020 |
| Brand | HP |
| Model Number | U28 4K HDR |
| Alias | 1Z978AA |
| Size | 28" (inches) |
| Panel | IPS |
| Display | |
| Screen Size Class | 28" (inches) |
| Diagonal Size | 27.9 in 70.9 cm 708.538 mm 2.32 ft |
| Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
| Display Type | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes |
| Max Number of Colors | 1073741824 |
| Bits | 30 |
| Screen Aspect Ratio | 16:9 |
| Screen Resolution | 3840 x 2160 |
| Screen Pixel Pitch | 0.116 mm |
| Screen Pixel Density | 157 ppi |
| Screen-to-Body Ratio | 89.61 % |
| Backlight Source | W-LED |
| DCI P3 | 93% |
| sRGB | 100 % |
| Screen Brightness | 400 cd/m² |
| Static Screen Contrast | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° |
| Screen Vertical Viewing Angle | 178 ° |
| Display Minimum Response Time | 4 ms |
| Display Coating | Anti-glare/Matte (3H) |
| HDR | HDR |
| 3D | No |
| Size, weight, color | |
| Case Depth | 1.71 in 4.3 cm 43.4 mm 0.14 ft |
| Case Width with Stand | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
| Case Height with Stand | 20.92 in 53.1 cm 531.4 mm 1.74 ft |
| Case Depth with Stand | 7.48 in 19 cm 189.9 mm 0.62 ft |
| Case Weight with Stand | 6.35 kg 14 lbs |
| Case Color | Black |
| Hardware | |
| Internal Storage | 8 |
| Built-in Camera | No |
| Connectivity | 1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 65W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; downstream) |
| Audio | |
| Audio Speakers | 2 x 3W |
| Features | |
| Cool Features | Flicker-free technology Low Blue Light |
| Extra Features | Security lock slot |
| Ergonomics | |
| Case Width | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
| Case Height | 14.61 in 37.1 cm 371.2 mm 1.22 ft |
| Vesa Mount Support | Yes |
| VESA Interface Standard Size | 100 x 100 |
| Removable VESA Stand | Yes |
| Height Adjustment | Yes |
| Landscape or Portrait Pivot Support | Yes |
| Left Pivot | 90 ° |
| Right Pivot | 90 ° |
| Left or Right Swivel Support | Yes |
| Forward and Backward Tilt Support | Yes |
| Forward Tilt | 5 ° |
| Backward Tilt | 23 ° |
| Frequency and Interpolation | |
| Vertical Digital Frequency | 23 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 140 kHz |
| Screen Interpolation Measurement Unit | NULL |
| Power | |
| 110V | 100 V - 120 V |
| 220V | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Electric Power in Amperes | 1.5 A |
| Power Consumption in Sleep Mode | 0.5 W |
| Average Power Consumption | 45 W |
| Maximum Power Consumption | 155 W |
| Accessories | |
| Extras | DisplayPort cable HDMI cable USB Type-C cable |
| Certificates and Standards | |
| Licenses | Australian-New Zealand MEPS BSMI CB CCC CE CECP CEL EAC ENERGY STAR FCC ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TUV-S UL/CSA VCCI Vietnam MEPS WEEE ISC WW application ICE |
| Usage and Storage Requirements | |
| Safe Operating Temperature Level | 5 °C - 35 °C 41 °F - 95 °F |
| Safe Operating Humidity Level | 20 % - 80 % |
