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| General Info | ||
|---|---|---|
| Model Number | Lenovo D27-20 | Acer KG271E |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2018 |
| Brand | Lenovo | Acer |
| Model Series | KG1 | |
| Model Number | D27-20 | KG271E |
| Alias | 61E3KCR1 | KG271Ebmidpx |
| Display | ||
| Screen Size Class | 27" (inches) | 27" (inches) |
| Diagonal Size | 27 in 68.6 cm 685.891 mm 2.25 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 23.54 in 59.8 cm 597.888 mm 1.96 ft |
23.54 in 59.8 cm 597.888 mm 1.96 ft |
| Screen Height | 13.24 in 33.6 cm 336.312 mm 1.1 ft |
13.24 in 33.6 cm 336.312 mm 1.1 ft |
| Display Type | IPS | TN |
| 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 | 0.311 mm |
| Screen Pixel Density | 81 ppi | 81 ppi |
| Screen-to-Body Ratio | 89.86 % | 89.14 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 200 cd/m² | 400 cd/m² |
| Max Screen Brightness | 250 cd/m² | |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 3000000 : 1 | 100000000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 170 ° |
| Screen Vertical Viewing Angle | 178 ° | 160 ° |
| Display Minimum Response Time | 4 ms | 1 ms |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2 in 5.1 cm 50.7 mm 0.17 ft |
2.39 in 6.1 cm 60.7 mm 0.2 ft |
| Case Weight | 4.07 kg 9 lbs |
5.15 kg 11 lbs |
| Case Width with Stand | 24.1 in 61.2 cm 612.2 mm 2.01 ft |
24.17 in 61.4 cm 614 mm 2.01 ft |
| Case Height with Stand | 17.5 in 44.5 cm 444.5 mm 1.46 ft |
18.31 in 46.5 cm 465 mm 1.53 ft |
| Case Depth with Stand | 9.09 in 23.1 cm 230.8 mm 0.76 ft |
9.13 in 23.2 cm 232 mm 0.76 ft |
| Case Weight with Stand | 4.82 kg 11 lbs |
5.62 kg 12 lbs |
| Case Color | Black | Black, Red |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub |
1 x DVI-D Dual Link 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2 |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | Low Blue Light AMD FreeSync technology Flicker-free technology |
Flicker-free technology AMD FreeSync technology Blue Light Filter |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 24.1 in 61.2 cm 612.2 mm 2.01 ft |
24.17 in 61.4 cm 614 mm 2.01 ft |
| Case Height | 14.39 in 36.6 cm 365.5 mm 1.2 ft |
14.46 in 36.7 cm 367.4 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 | 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 | 5 ° | 5 ° |
| Backward Tilt | 22 ° | 15 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 75 Hz | 30 Hz - 144 Hz |
| Horizontal Digital Frequency | 30 kHz - 180 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | HDMI cable | Audio cable DisplayPort cable DVI-D cable |
| Certificates and Standards | ||
| Licenses | CCC China Energy Efficiency Standard CEL G1 Energy Star 8.0 EPEAT Silver RoHS (EU 2002/95/EC) Windows Certification (Windows 7 Windows 10) |
ENERGY STAR ErP TCO Certified Displays |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
|
| Safe Operating Humidity Level | 10 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
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| Internal Storage Humidity | 5 % - 95 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Lenovo D27-20 | Acer KG271E |
