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| General Info | ||
|---|---|---|
| Model Number | Dell ST2421L | HP Z24i |
|
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|
| Price | ||
| Type | Monitor | Monitor |
| Year | 2010 | 2013 |
| Brand | Dell | HP |
| Model Number | ST2421L | Z24i |
| Alias | D7P53A4 D7P53A8 D7P53AS D7P53AT |
|
| Display | ||
| Screen Size Class | 24" (inches) | 24" (inches) |
| Diagonal Size | 24 in 61 cm 609.7 mm 2 ft |
24 in 61 cm 609.6 mm 2 ft |
| Screen Width | 20.92 in 53.1 cm 531.36 mm 1.74 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 11.77 in 29.9 cm 298.89 mm 0.98 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Manufacturer | LG Display Samsung |
|
| Display Type | TN | AH-IPS, PLS |
| Display Bit Depth | 8 bits | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:10 |
| Screen Resolution | 1920 x 1080 | 1920 x 1200 |
| Screen Pixel Pitch | 0.277 mm | 0.27 mm |
| Screen Pixel Density | 91 ppi | 94 ppi |
| Screen-to-Body Ratio | 77.5 % | 82.26 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 250 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 7000000 : 1 | 5000000 : 1 |
| Screen Horizontal Viewing Angle | 170 ° | 178 ° |
| Screen Vertical Viewing Angle | 160 ° | 178 ° |
| Screen Input Lag | 7 ms | |
| Display Minimum Response Time | 5 ms | 8 ms |
| Display Average Response Time | 12 ms | |
| Display Maximum Response Time | 20 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.35 in 6 cm 59.72 mm 0.2 ft |
2.54 in 6.5 cm 64.5 mm 0.21 ft |
| Case Weight | 3.65 kg 8 lbs |
4.73 kg 10 lbs |
| Case Width with Stand | 22.64 in 57.5 cm 574.96 mm 1.89 ft |
22.02 in 55.9 cm 559.4 mm 1.84 ft |
| Case Height with Stand | 16.47 in 41.8 cm 418.24 mm 1.37 ft |
20.67 in 52.5 cm 525 mm 1.72 ft |
| Case Depth with Stand | 8.02 in 20.4 cm 203.68 mm 0.67 ft |
9.37 in 23.8 cm 237.9 mm 0.78 ft |
| Case Weight with Stand | 4.29 kg 9 lbs |
6.96 kg 15 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 2 x DVI-D Dual Link |
1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub 4 x USB 2.0 (downstream) 1 x USB 2.0 (upstream) |
| Audio | ||
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) | DDC/CI HDCP (High-bandwidth Digital Content Protection) |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 22.64 in 57.5 cm 574.96 mm 1.89 ft |
22.02 in 55.9 cm 559.4 mm 1.84 ft |
| Case Height | 14.03 in 35.6 cm 356.43 mm 1.17 ft |
14.37 in 36.5 cm 365 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 | 120 mm 12 cm 4.7244 in 0.3937 ft |
|
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 0 ° | |
| 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 | 4 ° | 5 ° |
| Backward Tilt | 21 ° | 30 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 50 Hz - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 24 kHz - 94 kHz |
| Accessories | ||
| Extras | D-sub cable DVI cable |
DisplayPort cable DVI-D cable USB 2.0 upstream cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 5.0 | BSMI C-Tick CB CCC CE CECP CEL Grade 1 EAC ENERGY STAR EPA Epeat Gold/Silver (market dependent) FCC Class B ICE ISC KC KCC NOM PSB SEPA TCO EDGE TÜV/S VCCI-B WHQL (Windows 8; Windows 7) |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
5 °C - 35 °C 41 °F - 95 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 20 % - 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 % - 95 % |
| Max Operating Altitude | 3657.6 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell ST2421L | HP Z24i |
