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| General Info | ||
|---|---|---|
| Model Number | HP 27mx | Dell E2421HN |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2018 | 2020 |
| Brand | HP | Dell |
| Model Number | 27mx | E2421HN |
| Alias | 4KK74AA | |
| Display | ||
| Screen Size Class | 27" (inches) | 24" (inches) |
| Diagonal Size | 27 in 68.6 cm 685.8 mm 2.25 ft |
23.81 in 60.5 cm 604.7 mm 1.98 ft |
| Screen Width | 23.54 in 59.8 cm 597.888 mm 1.96 ft |
20.75 in 52.7 cm 527.04 mm 1.73 ft |
| Screen Height | 13.24 in 33.6 cm 336.312 mm 1.1 ft |
11.67 in 29.6 cm 296.46 mm 0.97 ft |
| Display Type | TN | IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 1920 x 1080 | 1920 x 1080 |
| Screen Pixel Pitch | 0.311 mm | 0.275 mm |
| Screen Pixel Density | 81 ppi | 92 ppi |
| Screen-to-Body Ratio | 86.91 % | |
| Backlight Source | W-LED | W-LED |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 400 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 12000000 : 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 | Anti-glare/Matte |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.06 in 5.2 cm 52.4 mm 0.17 ft |
|
| Case Weight | 3.25 kg 7 lbs |
|
| Case Width with Stand | 24.16 in 61.4 cm 613.7 mm 2.01 ft |
21.68 in 55.1 cm 550.6 mm 1.81 ft |
| Case Height with Stand | 20.09 in 51 cm 510.3 mm 1.67 ft |
16.52 in 42 cm 419.7 mm 1.38 ft |
| Case Depth with Stand | 8.52 in 21.6 cm 216.4 mm 0.71 ft |
6.73 in 17.1 cm 171 mm 0.56 ft |
| Case Weight with Stand | 6.8 kg 15 lbs |
4.27 kg 9 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 1 x DisplayPort 1.2 |
1 x HDMI 1.4 1 x D-sub |
| Audio | ||
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) Low Blue Light AMD FreeSync technology Flicker-free technology |
Flicker-free technology Low Blue Light Power Nap ComfortView Dell Display Manager |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 21.68 in 55.1 cm 550.6 mm 1.81 ft |
|
| Case Height | 12.85 in 32.7 cm 326.5 mm 1.07 ft |
|
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | No |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 4 ° | 5 ° |
| Backward Tilt | 20 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 50 Hz - 76 Hz | 56 Hz - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 89 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | D-Sub cable HDMI cable |
|
| Certificates and Standards | ||
| Licenses | BSMI CB CCC CE CSA EAC ENERGY STAR 7.0 FCC Class B GEMS IS 1121 ISC KCC MEPS NOM PSB RCM SABS SASO TÜV/GS VCCI-B WHQL (Windows 10) |
Energy Star EPEAT TCO Certified Display |
| 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 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 95 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| HP 27mx | Dell E2421HN |
