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| General Info | ||
|---|---|---|
| Model Number | Acer CB281HK | Gigabyte M28U |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2015 | 2021 |
| Brand | Acer | Gigabyte |
| Model Number | CB281HK | M28U |
| Alias | CB281HKymjdpprz | |
| Display | ||
| Screen Size Class | 28" (inches) | 29" (inches) |
| Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 ft |
28.63 in 72.7 cm 727.2 mm 2.39 ft |
| Screen Width | 24.45 in 62.1 cm 620.93 mm 2.04 ft |
24.88 in 63.2 cm 631.928 mm 2.07 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
14.16 in 36 cm 359.78 mm 1.18 ft |
| Display Type | TN | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| 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 | 154 ppi |
| Screen-to-Body Ratio | 84.24 % | 95.94 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 94% | |
| sRGB | 100 % | 120 % |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Max Screen Brightness | 400 cd/m² | |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 170 ° | 178 ° |
| Screen Vertical Viewing Angle | 160 ° | 178 ° |
| Display Minimum Response Time | 1 ms | 2 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte |
| HDR | DisplayHDR 400 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.54 in 6.5 cm 64.5 mm 0.21 ft |
2.48 in 6.3 cm 63.1 mm 0.21 ft |
| Case Weight | 5.18 kg 11 lbs |
|
| Case Width with Stand | 25.93 in 65.9 cm 658.7 mm 2.16 ft |
25.06 in 63.7 cm 636.5 mm 2.09 ft |
| Case Height with Stand | 15.81 in 40.2 cm 401.5 mm 1.32 ft |
14.96 in 38 cm 380 mm 1.25 ft |
| Case Depth with Stand | 9.31 in 23.7 cm 236.5 mm 0.78 ft |
7.62 in 19.4 cm 193.6 mm 0.64 ft |
| Case Weight with Stand | 8 kg 18 lbs |
6.93 kg 15 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x DVI-D Dual Link 1 x 3.5 mm Audio Out 1 x HDMI 2.0 (MHL) 1 x DisplayPort 1.2 |
1 x USB 3.0 (Type-C; upstream) 2 x HDMI 2.1 1 x 3.5 mm Audio Out 1 x DisplayPort 1.3 (DSC) 3 x USB 3.0 (Type-A; downstream; BC 1.2 charging at 5V/1.5A) 1 x USB 3.0 (Type-B; upstream) |
| Audio | ||
| Audio Speakers | 2 x 2W | 2 x 3W |
| Features | ||
| Cool Features | Picture-By-Picture Picture-in-Picture Flicker-free technology HDCP (High-bandwidth Digital Content Protection) |
Flicker-free technology GameAssist (Aim Stabilizer / Crosshair / Alignment / Dashboard / Black Equalizer / Timer / Counter / Auto-Update) Low Blue Light Smart OD OSD Sidekick KVM Switch 6-axis color control AMD FreeSync Premium Pro |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 25.93 in 65.9 cm 658.7 mm 2.16 ft |
25.06 in 63.7 cm 636.5 mm 2.09 ft |
| Case Height | 15.04 in 38.2 cm 381.9 mm 1.25 ft |
14.66 in 37.2 cm 372.3 mm 1.22 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 |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | Yes | No |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | No |
| Left Swivel | 60 ° | |
| Right Swivel | 60 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 35 ° | 20 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 48 Hz - 144 Hz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable DVI-D cable |
DisplayPort cable HDMI cable USB cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR ErP TCO Certified Displays 6.0 |
Eyesafe certified TÜV Rheinland Flicker-free certified TÜV Rheinland Low Blue Light certified |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
| Acer CB281HK | Gigabyte M28U |
