Premium subscription
Limited offer: $9.99 FREE
Subscription benefits:
As Amazon associates we earn from qualifying purchases.
| General Info | ||
|---|---|---|
| Model Number | Dell S2440L | Dell S2721HN |
|
|
|
| Price | ||
| Type | Monitor | Monitor |
| Year | 2012 | 2020 |
| Brand | Dell | Dell |
| Model Number | S2440L | S2721HN |
| Alias | S2721NX | |
| Display | ||
| Screen Size Class | 24" (inches) | 27" (inches) |
| Diagonal Size | 24 in 61 cm 609.7 mm 2 ft |
27 in 68.6 cm 685.891 mm 2.25 ft |
| Screen Width | 20.92 in 53.1 cm 531.36 mm 1.74 ft |
23.54 in 59.8 cm 597.89 mm 1.96 ft |
| Screen Height | 11.77 in 29.9 cm 298.89 mm 0.98 ft |
13.24 in 33.6 cm 336.312 mm 1.1 ft |
| Display Manufacturer | AU Optronics | |
| Display Type | AMVA | IPS |
| Display Bit Depth | 8 bits | 8 bits |
| Frame Rate Control | No | |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 1920 x 1080 | 1920 x 1080 |
| Screen Pixel Pitch | 0.277 mm | 0.311 mm |
| Screen Pixel Density | 91 ppi | 81 ppi |
| Screen-to-Body Ratio | 83.58 % | 90.67 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 86 % | |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 280 cd/m² | 300 cd/m² |
| Static Screen Contrast | 5000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 8000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 5 ms | |
| Display Minimum Response Time | 6 ms | 4 ms |
| Display Average Response Time | 8 ms | |
| Display Maximum Response Time | 12 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.71 in 4.4 cm 43.5 mm 0.14 ft |
2.13 in 5.4 cm 54 mm 0.18 ft |
| Case Weight | 3.66 kg 8 lbs |
4.3 kg 9 lbs |
| Case Width with Stand | 22.34 in 56.7 cm 567.4 mm 1.86 ft |
24.01 in 61 cm 609.9 mm 2 ft |
| Case Height with Stand | 16.45 in 41.8 cm 417.9 mm 1.37 ft |
17.85 in 45.3 cm 453.3 mm 1.49 ft |
| Case Depth with Stand | 7.51 in 19.1 cm 190.8 mm 0.63 ft |
7.35 in 18.7 cm 186.8 mm 0.61 ft |
| Case Weight with Stand | 5 kg 11 lbs |
5.2 kg 11 lbs |
| Case Color | Black | Black, Silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 1 x D-sub |
2 x HDMI 1.4 1 x 3.5 mm Audio Out |
| Audio | ||
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) | Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
| Extra Features | Anti-theft stand lock slot - Kensington S2721HN - silver S2721NX - black |
|
| Ergonomics | ||
| Case Width | 22.34 in 56.7 cm 567.4 mm 1.86 ft |
24.01 in 61 cm 609.9 mm 2 ft |
| Case Height | 13.19 in 33.5 cm 334.9 mm 1.1 ft |
14.31 in 36.4 cm 363.6 mm 1.19 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | No |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 4 ° | 5 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 48 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | D-sub cable | HDMI cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR Epeat Silver |
ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
| 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 | 3048 | 5000 |
| Max Storage Altitude | 10668 | 12192 |
| Dell S2440L | Dell S2721HN |
