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| General Info | ||
|---|---|---|
| Model Number | Dell S2421HN | Dell U2722DE |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2021 |
| Brand | Dell | Dell |
| Model Series | UltraSharp | |
| Model Number | S2421HN | U2722DE |
| Alias | S2421NX | |
| Display | ||
| Screen Size Class | 24" (inches) | 27" (inches) |
| Diagonal Size | 23.8 in 60.4 cm 604.478 mm 1.98 ft |
26.96 in 68.5 cm 684.7 mm 2.25 ft |
| Screen Width | 20.75 in 52.7 cm 527.04 mm 1.73 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 11.67 in 29.6 cm 296.46 mm 0.97 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 8 bits | 10 bits |
| Max Number of Colors | 16777216 | 1073741824 |
| Bits | 24 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 1920 x 1080 | 2560 x 1440 |
| Screen Pixel Pitch | 0.275 mm | 0.233 mm |
| Screen Pixel Density | 92 ppi | 109 ppi |
| Screen-to-Body Ratio | 90.06 % | 93.08 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | |
| sRGB | 100 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 250 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 5 ms |
| Display Average Response Time | 8 ms | 8 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.12 in 5.4 cm 53.8 mm 0.18 ft |
1.95 in 5 cm 49.5 mm 0.16 ft |
| Case Weight | 3.3 kg 7 lbs |
4.78 kg 11 lbs |
| Case Width with Stand | 21.17 in 53.8 cm 537.8 mm 1.76 ft |
24.07 in 61.1 cm 611.34 mm 2.01 ft |
| Case Height with Stand | 16.25 in 41.3 cm 412.8 mm 1.35 ft |
15.16 in 38.5 cm 385.13 mm 1.26 ft |
| Case Depth with Stand | 6.02 in 15.3 cm 152.8 mm 0.5 ft |
7.28 in 18.5 cm 185 mm 0.61 ft |
| Case Weight with Stand | 4.1 kg 9 lbs |
7.02 kg 15 lbs |
| Case Color | Black, Silver | Black and silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 2 x HDMI 1.4 1 x 3.5 mm Audio Out |
1 x USB 3.2 (Type-C; DP 1.4; PD 90W) 1 x USB 3.2 (Type-C; PD 15W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x HDMI 1.4 1 x USB 3.2 (Type-C; upstream) 3 x USB 3.2 (Type-A) 1 x DisplayPort 1.4 (Output MST) 1 x USB 3.2 (Type-A; BC 1.2) 1 x 3.5 mm Audio Out |
| Audio | ||
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
Low Blue Light Dell ComfortView Plus Flicker-free technology |
| Extra Features | Anti-theft stand lock slot - Kensington S2421HN - silver S2421NX - black |
Security lock slot |
| Ergonomics | ||
| Case Width | 21.17 in 53.8 cm 537.8 mm 1.76 ft |
24.07 in 61.1 cm 611.34 mm 2.01 ft |
| Case Height | 12.7 in 32.3 cm 322.6 mm 1.06 ft |
13.86 in 35.2 cm 352.01 mm 1.15 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 | 45 ° | |
| Right Swivel | 45 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 75 Hz | 56 Hz - 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 31.47 kHz - 88.79 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | DisplayPort cable USB Type-C to Type-A cable USB Type-C to Type-C cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
ENERGY STAR EPEAT Gold TCO Certified Edge Display RoHS NFPA 99 |
| 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 - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell S2421HN | Dell U2722DE |
