| Display diagonal | 60.5 cm (23.8") |
| Display resolution | 1920 x 1080 pixels |
| Native aspect ratio | 16:9 |
| Display technology | LCD |
| Touchscreen | No |
| HD type | Full HD |
| Panel type | IPS |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Maximum refresh rate | 75 Hz |
| Display number of colours | 16.7 million colours |
| Backlight type | LED |
| Display brightness (typical) | 250 cd/m² |
| Response time | 4 ms |
| Supported graphics resolutions | 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 900, 1920 x 1080 (HD 1080) |
| Supported video modes | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p |
| Aspect ratio | 16:9 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.2745 x 0.2745 mm |
| Pixel density | 92.56 ppi |
| Horizontal scan range | 30 - 83 kHz |
| Vertical scan range | 48 - 75 Hz |
| Viewable size, horizontal | 52.7 cm |
| Viewable size, vertical | 29.6 cm |
| Display diagonal (metric) | 60.45 cm |
| NTSC coverage (typical) | 72% |
| NVIDIA G-SYNC | No |
| AMD FreeSync | Yes |
| AMD FreeSync refresh rate range | 48 - 75 Hz |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Built-in speaker(s) | No |
| Built-in camera | No |
| Market positioning | Home |
| Product colour | Grey |
| Front bezel colour | Black |
| Detachable stand | Yes |
| Feet colour | Grey |
| Heavy metals free | Hg (mercury) |
| Built-in USB hub | No |
| HDMI | Yes |
| DVI port | No |
| HDMI ports quantity | 2 |
| HDMI version | 1.4 |
| Audio output | Yes |
| HDCP | Yes |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Height adjustment | No |
| Panel mounting interface | 100 x 100 mm |
| Tilt angle range | -5 - 21° |
| Tilt adjustment | Yes |
| Energy efficiency class (SDR) | D |
| Energy consumption (SDR) per 1000 hours | 12 kWh |
| Power consumption (typical) | 12.2 W |
| Power consumption (standby) | 0.2 W |
| Power consumption (max) | 21 W |
| Power consumption (off) | 0.2 W |
| AC input voltage | 100 - 230 V |
| AC input frequency | 50 - 60 Hz |
| Annual energy consumption | 18 kWh |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -20 - 60 °C |
| Operating relative humidity (H-H) | 10 - 80% |
| Storage relative humidity (H-H) | 5 - 90% |
| Operating altitude | 0 - 5000 m |
| Non-operating altitude | 0 - 12192 m |
| Stand included | Yes |
| Cables included | AC, HDMI |
| Width (with stand) | 537.8 mm |
| Depth (with stand) | 152.8 mm |
| Height (with stand) | 412.8 mm |
| Weight (with stand) | 3.8 kg |
| Width (without stand) | 537.8 mm |
| Depth (without stand) | 53.8 mm |
| Height (without stand) | 322.6 mm |
| Weight (without stand) | 3.3 kg |
| Bezel width (side) | 5.4 mm |
| Bezel width (top) | 5.4 mm |
| Bezel width (bottom) | 2.07 cm |
| Package width | 134.9 mm |
| Package depth | 619 mm |
| Package height | 395 mm |
| Sustainability certificates | RoHS, ENERGY STAR |
| Energy efficiency class (old) | A++ |
| Description |
| DELL S Series S2421HN. Display diagonal: 60.5 cm (23.8"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display technology: LCD, Response time: 4 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. VESA mounting. Product colour: Grey |
