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| General Info | ||
|---|---|---|
| Model Number | Acer KG281KA | Lenovo L28u-35 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2022 |
| Brand | Acer | Lenovo |
| Model Number | KG281KA | L28u-35 |
| Alias | KG281KAbmiipx KG281KA bmiipx |
66ECGAC4 |
| Display | ||
| Screen Size Class | 28" (inches) | 28" (inches) |
| Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 ft |
28 in 71.1 cm 711.2 mm 2.33 ft |
| Screen Width | 24.45 in 62.1 cm 620.93 mm 2.04 ft |
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 |
13.44 in 34.1 cm 341.28 mm 1.12 ft |
| Display Manufacturer | Innolux | |
| Display Type | TN | AAS IPS |
| Display Bit Depth | 10 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | No | Yes |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 3840 x 2160 |
| Screen Pixel Pitch | 0.162 mm | 0.16 mm |
| Screen Pixel Density | 157 ppi | 157 ppi |
| Screen-to-Body Ratio | 89.03 % | |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 90% | |
| sRGB | 99 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 330 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | 3000000 : 1 |
| Screen Horizontal Viewing Angle | 170 ° | 178 ° |
| Screen Vertical Viewing Angle | 160 ° | 178 ° |
| Display Minimum Response Time | 1 ms | 4 ms |
| Display Average Response Time | 6 ms | |
| Display Maximum Response Time | 14 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.93 in 4.9 cm 48.9 mm 0.16 ft |
|
| Case Weight | 4.6 kg 10 lbs |
|
| Case Width with Stand | 25.94 in 65.9 cm 659 mm 2.16 ft |
25.07 in 63.7 cm 636.9 mm 2.09 ft |
| Case Height with Stand | 18.98 in 48.2 cm 482 mm 1.58 ft |
16.51 in 41.9 cm 419.3 mm 1.38 ft |
| Case Depth with Stand | 9.49 in 24.1 cm 241 mm 0.79 ft |
8.46 in 21.5 cm 215 mm 0.71 ft |
| Case Weight with Stand | 5.49 kg 12 lbs |
6.6 kg 15 lbs |
| Case Color | Black, Gray | Raven Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2 |
1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4 |
| Audio | ||
| Audio Speakers | 2 x 2W | 2 x 2W |
| Features | ||
| Cool Features | Flicker-free technology HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Blue Light Filter |
Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 25.07 in 63.7 cm 636.9 mm 2.09 ft |
|
| Case Height | 14.71 in 37.4 cm 373.7 mm 1.23 ft |
|
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | Yes |
| Height Adjustment Range | 150 mm 15 cm 5.9055 in 0.4921 ft |
|
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 360 ° | |
| Right Swivel | 360 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 15 ° | 22 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 60 Hz | 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 160 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable | HDMI cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR ErP TCO Certified Displays |
CCC China Energy Efficiency Standard Tier 2 ENERGY STAR Eyesafe Display Certification RoHS (EU 2002/95/EC) TCO 9.0 TCO Edge 2.0 TÜV Low Blue Light (Hardware Solution) TÜV Rheinland Eye Comfort Volatile Organic Compound Certification Windows Certification |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 45 °C 32 °F - 113 °F |
|
| Safe Operating Humidity Level | 10 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 5 % - 95 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Acer KG281KA | Lenovo L28u-35 |
