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| General Info | ||
|---|---|---|
| Model Number | Dell S2721QS | Dell Alienware AW2521H |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2020 |
| Brand | Dell | Dell |
| Model Number | S2721QS | Alienware AW2521H |
| Display | ||
| Screen Size Class | 27" (inches) | 25" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
24.5 in 62.2 cm 622.28 mm 2.04 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
21.41 in 54.4 cm 543.744 mm 1.78 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
11.91 in 30.3 cm 302.616 mm 0.99 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits | 8 bits |
| Frame Rate Control | No | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.155 mm | 0.283 mm |
| Screen Pixel Density | 163 ppi | 89 ppi |
| Screen-to-Body Ratio | 89.83 % | 90.11 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | 99 % |
| Adobe RGB 1998 | 73 % | |
| Screen Brightness | 350 cd/m² | 430 cd/m² |
| Max Screen Brightness | 390 cd/m² | 460 cd/m² |
| Static Screen Contrast | 1300 : 1 | 1300 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 2 ms | |
| Display Minimum Response Time | 4 ms | 1 ms |
| Display Average Response Time | 8 ms | 3 ms |
| Display Maximum Response Time | 7 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.18 in 5.5 cm 55.4 mm 0.18 ft |
2.87 in 7.3 cm 72.95 mm 0.24 ft |
| Case Weight | 4.7 kg 10 lbs |
4.52 kg 10 lbs |
| Case Width with Stand | 24.08 in 61.2 cm 611.6 mm 2.01 ft |
21.9 in 55.6 cm 556.29 mm 1.83 ft |
| Case Height with Stand | 15.75 in 40 cm 400.1 mm 1.31 ft |
16.58 in 42.1 cm 421.21 mm 1.38 ft |
| Case Depth with Stand | 6.88 in 17.5 cm 174.7 mm 0.57 ft |
9.92 in 25.2 cm 251.92 mm 0.83 ft |
| Case Weight with Stand | 6.4 kg 14 lbs |
7.17 kg 16 lbs |
| Case Color | Silver | Dark Side of the Moon, Lunar Light |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2 |
2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out (line-out) 3 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-A; Gen 1; downstream; NVIDIA Reflex Latency Analyzer) |
| Audio | ||
| Audio Speakers | 2 x 3W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
Flicker-free technology Low Blue Light NVIDIA Reflex Latency Analyzer Ventilation and cooling design NVIDIA G-SYNC technology AlienFX RGB lights AMD FreeSync Premium |
| Extra Features | Anti-theft stand lock slot - Kensington | AW2521HF - Dark Side of the Moon AW2521HFL - Lunar Light |
| Ergonomics | ||
| Case Width | 24.08 in 61.2 cm 611.6 mm 2.01 ft |
21.9 in 55.6 cm 556.29 mm 1.83 ft |
| Case Height | 14.35 in 36.5 cm 364.6 mm 1.2 ft |
12.92 in 32.8 cm 328.24 mm 1.08 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 | 110 mm 11 cm 4.3307 in 0.3609 ft |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 90 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 30 ° | 20 ° |
| Right Swivel | 30 ° | 20 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 60 Hz | 48 Hz - 360 Hz |
| Horizontal Digital Frequency | 130 kHz - 137 kHz | 30 kHz - 255 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
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| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 80 °C -4 °F - 176 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell S2721QS | Dell Alienware AW2521H |
