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| General Info | ||
|---|---|---|
| Model Number | Iiyama ProLite B2791QSU-B1 | Dell U4320Q |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2020 |
| Brand | Iiyama | Dell |
| Model Series | UltraSharp | |
| Model Number | ProLite B2791QSU-B1 | U4320Q |
| Alias | B2791QSU-B1 | UltraSharp U4320Q |
| Display | ||
| Screen Size Class | 27" (inches) | 43" (inches) |
| Diagonal Size | 27 in 68.6 cm 685.8 mm 2.25 ft |
42.52 in 108 cm 1080 mm 3.54 ft |
| Screen Width | 23.49 in 59.7 cm 596.73 mm 1.96 ft |
37.05 in 94.1 cm 941.184 mm 3.09 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
20.84 in 52.9 cm 529.416 mm 1.74 ft |
| Display Type | TN | IPS |
| Display Bit Depth | 8 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | |
| Max Number of Colors | 16777216 | 1073741824 |
| Bits | 24 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 2560 x 1440 | 3840 x 2160 |
| Screen Pixel Pitch | 0.233 mm | 0.245 mm |
| Screen Pixel Density | 109 ppi | 103 ppi |
| Screen-to-Body Ratio | 88.24 % | 91.28 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 96 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 350 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 80000000 : 1 | |
| Screen Horizontal Viewing Angle | 170 ° | 178 ° |
| Screen Vertical Viewing Angle | 160 ° | 178 ° |
| Display Minimum Response Time | 1 ms | 5 ms |
| Display Average Response Time | 8 ms | |
| Display Coating | Anti-glare/Matte (3H) | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.13 in 5.4 cm 54 mm 0.18 ft |
2.32 in 5.9 cm 59 mm 0.19 ft |
| Case Weight | 13.2 kg 29 lbs |
|
| Case Width with Stand | 24.06 in 61.1 cm 611 mm 2 ft |
38.08 in 96.7 cm 967.2 mm 3.17 ft |
| Case Height with Stand | 15.63 in 39.7 cm 397 mm 1.3 ft |
23.43 in 59.5 cm 595.2 mm 1.95 ft |
| Case Depth with Stand | 9.06 in 23 cm 230 mm 0.75 ft |
9.8 in 24.9 cm 249 mm 0.82 ft |
| Case Weight with Stand | 6.1 kg 13 lbs |
17.6 kg 39 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x DVI-D Dual Link 2 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
1 x USB 3.0 (Type-C; 90W; DisplayPort) 1 x USB 3.0 (Type-C; downstream; 15W) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x HDMI 2.0 (CEC) 1 x USB 3.0 (BC charging 2A) 2 x USB 3.0 (Type-A; downstream) |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) Low Blue Light EcoModes Flicker-free technology |
Picture-by-Picture Picture-in-Picture Flicker-free technology Low Blue Light |
| Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot |
| Ergonomics | ||
| Case Width | 24.06 in 61.1 cm 611 mm 2 ft |
38.08 in 96.7 cm 967.2 mm 3.17 ft |
| Case Height | 14.63 in 37.2 cm 371.5 mm 1.22 ft |
22.22 in 56.4 cm 564.4 mm 1.85 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 | 130 mm 13 cm 5.1181 in 0.4265 ft |
60 mm 6 cm 2.3622 in 0.1969 ft |
| Landscape or Portrait Pivot Support | Yes | No |
| Left Pivot | 0 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 45 ° | 20 ° |
| Right Swivel | 45 ° | 20 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 22 ° | 10 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 75 Hz | 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 89 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable USB 3.0 cable |
DisplayPort cable HDMI cable USB Type-C to Type-C cable USB Type-C to Type-A cable |
| Certificates and Standards | ||
| Licenses | CE ENERGY STAR PSE TÜV/GS VCCI-B |
BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant |
| 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 | 10 % - 80 % | 10 % - 90 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 85 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Iiyama ProLite B2791QSU-B1 | Dell U4320Q |
