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| General Info | ||
|---|---|---|
| Model Number | Acer CB281HKAbmiiprx | Samsung U28R55 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2017 |
| Brand | Acer | Samsung |
| Model Series | UR55 | |
| Model Number | CB281HKAbmiiprx | U28R55 |
| Alias | CB281HK Abmiiprx | U28R550 U28R55U0 |
| 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 Type | TN | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
| Frame Rate Control | 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 | 84.54 % | 88.7 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 100 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 300 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 | 4 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.6 in 6.6 cm 66 mm 0.22 ft |
2.52 in 6.4 cm 64 mm 0.21 ft |
| Case Weight | 5.1 kg 11 lbs |
5 kg 11 lbs |
| Case Width with Stand | 25.9 in 65.8 cm 657.9 mm 2.16 ft |
25.15 in 63.9 cm 638.8 mm 2.1 ft |
| Case Height with Stand | 15.83 in 40.2 cm 402 mm 1.32 ft |
18.87 in 47.9 cm 479.3 mm 1.57 ft |
| Case Depth with Stand | 9.33 in 23.7 cm 237 mm 0.78 ft |
9.86 in 25.1 cm 250.5 mm 0.82 ft |
| Case Weight with Stand | 8 kg 18 lbs |
5.8 kg 13 lbs |
| Case Color | Black | Dark Blue Gray |
| 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 1 x HDMI 2.0 1 x DisplayPort 1.2 |
| Audio | ||
| Audio Speakers | 2 x 2W | 2 x 4W |
| Features | ||
| Cool Features | Picture-By-Picture Picture-in-Picture Flicker-free technology HDCP (High-bandwidth Digital Content Protection) |
Samsung MagicUpscale Eco Saving Plus Off Timer Plus Flicker Free Picture-by-Picture Picture-in-Picture Eye Saver Mode AMD Radeon FreeSync Technology Image Size Samsung MagicBright Easy Setting Box |
| Ergonomics | ||
| Case Width | 25.9 in 65.8 cm 657.9 mm 2.16 ft |
25.15 in 63.9 cm 638.8 mm 2.1 ft |
| Case Height | 15 in 38.1 cm 381 mm 1.25 ft |
14.72 in 37.4 cm 374 mm 1.23 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 75 x 75 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | No |
| Height Adjustment Range | 150 mm 15 cm 5.9055 in 0.4921 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 ° | 2 ° |
| Backward Tilt | 35 ° | 15 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 40 Hz - 60 Hz |
| Accessories | ||
| Extras | DisplayPort cable | |
| Certificates and Standards | ||
| Licenses | ENERGY STAR ErP TCO Certified Displays |
Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 10 °C - 40 °C 50 °F - 104 °F |
|
| Safe Operating Humidity Level | 10 % - 80 % |
| Acer CB281HKAbmiiprx | Samsung U28R55 |
