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| General Info | ||
|---|---|---|
| Model Number | HP U28 4K HDR | Philips 271B8QJKEB |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2019 |
| Brand | HP | Philips |
| Model Number | U28 4K HDR | 271B8QJKEB |
| Alias | 1Z978AA | 271B8QJKEB/00 271B8QJKEB/01 |
| Display | ||
| Screen Size Class | 28" (inches) | 27" (inches) |
| Diagonal Size | 27.9 in 70.9 cm 708.538 mm 2.32 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
23.54 in 59.8 cm 597.888 mm 1.96 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
13.24 in 33.6 cm 336.312 mm 1.1 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.116 mm | 0.311 mm |
| Screen Pixel Density | 157 ppi | 81 ppi |
| Screen-to-Body Ratio | 89.61 % | 86.95 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 93% | |
| sRGB | 100 % | 100 % |
| NTSC 1953 | 78 % | |
| Screen Brightness | 400 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 50000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 5 ms |
| Display Average Response Time | 14 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | HDR | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.71 in 4.3 cm 43.4 mm 0.14 ft |
2.01 in 5.1 cm 51 mm 0.17 ft |
| Case Weight | 4.49 kg 10 lbs |
|
| Case Width with Stand | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
24.61 in 62.5 cm 625 mm 2.05 ft |
| Case Height with Stand | 20.92 in 53.1 cm 531.4 mm 1.74 ft |
17.87 in 45.4 cm 454 mm 1.49 ft |
| Case Depth with Stand | 7.48 in 19 cm 189.9 mm 0.62 ft |
9.53 in 24.2 cm 242 mm 0.79 ft |
| Case Weight with Stand | 6.35 kg 14 lbs |
6.91 kg 15 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Internal Storage | 8 | |
| Built-in Camera | No | Yes |
| 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) |
1 x USB 3.0 (quick charge) 1 x USB 3.0 (upstream) 1 x DisplayPort 1.2 1 x D-sub 1 x DVI-D Dual Link 1 x HDMI 1.4 2 x USB 2.0 (downstream) 1 x 3.5 mm Audio In 1 x USB 3.0 (downstream) 1 x 3.5 mm Audio Out |
| Audio | ||
| Audio Speakers | 2 x 3W | 2 x 2W |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light |
HDCP (High-bandwidth Digital Content Protection) Low Blue Light SmartImage SmartContrast DDC/CI Flicker-free technology |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
24.61 in 62.5 cm 625 mm 2.05 ft |
| Case Height | 14.61 in 37.1 cm 371.2 mm 1.22 ft |
14.57 in 37 cm 370 mm 1.21 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | Yes |
| Height Adjustment Range | 150 mm 15 cm 5.9055 in 0.4921 ft |
|
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 90 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 175 ° | |
| Right Swivel | 175 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 23 ° | 30 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 23 Hz - 75 Hz | 48 Hz - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 140 kHz | 30 kHz - 85 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable USB Type-C cable |
Audio cable - optional D-sub cable DisplayPort cable - optional HDMI cable USB 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 |
CCC CE Mark CECP cETLus EAC / CU ENERGY STAR 7.0 EPA FCC Class B ISO9241-307 SEMKO TCO Edge TÜV/Ergonomics TÜV/GS WEEE |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 5 °C - 35 °C 41 °F - 95 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 20 % - 80 % | 20 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
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| Max Operating Altitude | 3658 | |
| Max Storage Altitude | 12192 |
| HP U28 4K HDR | Philips 271B8QJKEB |
