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| General Info | ||
|---|---|---|
| Model Number | Dell S2721D | Dell S3423DWC |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2022 |
| Brand | Dell | Dell |
| Model Number | S2721D | S3423DWC |
| Display | ||
| Screen Size Class | 27" (inches) | 34" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
34.03 in 86.4 cm 864.25 mm 2.84 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
31.39 in 79.7 cm 797.22 mm 2.62 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
13.14 in 33.4 cm 333.7 mm 1.09 ft |
| Display Curvature | 1800 | |
| Display Type | IPS | VA |
| Display Bit Depth | 8 bits | 8 bits |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 21:9 |
| Screen Resolution | 2560 x 1440 | 3440 x 1440 |
| Screen Pixel Pitch | 0.233 mm | 0.232 mm |
| Screen Pixel Density | 109 ppi | 109 ppi |
| Screen-to-Body Ratio | 89.83 % | 90.31 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | 99 % |
| Screen Brightness | 320 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 3000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 10 ms | |
| Display Minimum Response Time | 4 ms | 4 ms |
| Display Average Response Time | 8 ms | 5 ms |
| Display Maximum Response Time | 8 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 |
2.52 in 6.4 cm 64.03 mm 0.21 ft |
| Case Weight | 4.4 kg 10 lbs |
6.65 kg 15 lbs |
| Case Width with Stand | 24.08 in 61.2 cm 611.6 mm 2.01 ft |
31.82 in 80.8 cm 808.16 mm 2.65 ft |
| Case Height with Stand | 17.85 in 45.3 cm 453.4 mm 1.49 ft |
15.33 in 38.9 cm 389.36 mm 1.28 ft |
| Case Depth with Stand | 7.35 in 18.7 cm 186.8 mm 0.61 ft |
8.55 in 21.7 cm 217.05 mm 0.71 ft |
| Case Weight with Stand | 5.4 kg 12 lbs |
10.53 kg 23 lbs |
| Case Color | Silver | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2 |
1 x USB 3.2 (Type-B; Gen 1; upstream;) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 2 x USB 3.2 (Type-A; Gen 1; downstream; 10W) 1 x USB 3.2 (Type-C; Gen 1; upstream; 65W; DP Alt Mode) |
| Audio | ||
| Audio Speakers | 2 x 3W | 2 x 5W |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
Dell Easy Arrange Flicker-free technology Low Blue Light Picture-in-Picture Picture-by-Picture KVM Switch AMD FreeSync technology PowerNap ComfortView Plus |
| Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot Vents on the rear panel for improved heat dissipation |
| Ergonomics | ||
| Case Width | 24.08 in 61.2 cm 611.6 mm 2.01 ft |
31.82 in 80.8 cm 808.16 mm 2.65 ft |
| Case Height | 14.35 in 36.5 cm 364.6 mm 1.2 ft |
14.35 in 36.5 cm 364.5 mm 1.2 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 | 100 mm 10 cm 3.937 in 0.3281 ft |
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| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 4 ° | |
| Right Pivot | 4 ° | |
| Left or Right Swivel Support | No | No |
| 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 | 48 Hz - 100 Hz |
| Horizontal Digital Frequency | 30 kHz - 115 kHz | 30 kHz - 160 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | USB Type-C cable USB Type-B cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
RoHS |
| 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 % | 10 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell S2721D | Dell S3423DWC |
