| Display diagonal | 86.7 cm (34.1") |
| Display resolution | 3440 x 1440 pixels |
| Native aspect ratio | 21:9 |
| Display technology | LCD |
| Touchscreen | No |
| HD type | Quad HD |
| Panel type | IPS |
| Screen shape | Curved |
| Contrast ratio (typical) | 1000:1 |
| Maximum refresh rate | 60 Hz |
| Display number of colours | 1.07 billion colours |
| Backlight type | W-LED |
| Display brightness (typical) | 300 cd/m² |
| Response time | 8 ms |
| Anti-glare screen | Yes |
| Screen curvature rating | 3800R |
| Supported graphics resolutions | 3440 x 1440 |
| Supported video modes | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Response time (fast) | 5 ms |
| Pixel pitch | 0.2325 x 0.2325 mm |
| Pixel density | 109 ppi |
| Horizontal scan range | 30 - 85 kHz |
| Vertical scan range | 48 - 85 Hz |
| Viewable size, horizontal | 80 cm |
| Viewable size, vertical | 33.5 cm |
| Viewable size diagonal | 86.7 cm |
| RGB colour space | sRGB |
| sRGB coverage (typical) | 99% |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |
| Flicker-free technology | Yes |
| Built-in speaker(s) | No |
| Built-in camera | No |
| Market positioning | Home |
| Product colour | Black, Silver |
| Front bezel colour | Black |
| Detachable stand | Yes |
| Feet colour | Silver |
| Heavy metals free | Hg (mercury) |
| Built-in USB hub | Yes |
| HDMI | Yes |
| Headphone out | No |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| USB upstream port type | USB Type-C |
| Number of upstream ports | 2 |
| USB Type-A downstream ports quantity | 4 |
| USB Type-C downstream ports quantity | 1 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| DVI port | No |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.2 |
| Audio input | No |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Panel mounting interface | 100 x 100 mm |
| Height adjustment | 15 cm |
| Swivelling | Yes |
| Swivel angle range | -30 - 30° |
| Tilt angle range | -5 - 21° |
| LED indicators | Power |
| Tilt adjustment | Yes |
| Energy efficiency class (SDR) | F |
| Energy consumption (SDR) per 1000 hours | 32 kWh |
| Power consumption (typical) | 31.5 W |
| Power consumption (standby) | 0.3 W |
| Power consumption (max) | 126 W |
| Power consumption (off) | 0.2 W |
| AC input voltage | 100 - 230 V |
| AC input frequency | 50 - 60 Hz |
| Energy efficiency scale | A to G |
| Annual energy consumption | 80.31 kWh |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -20 - 60 °C |
| Operating relative humidity (H-H) | 20 - 90% |
| Storage relative humidity (H-H) | 10 - 90% |
| Operating altitude | 0 - 5000 m |
| Non-operating altitude | 0 - 12192 m |
| Stand included | Yes |
| Cables included | AC, DisplayPort, HDMI, USB Type-C |
| Quick start guide | Yes |
| Width (with stand) | 815.7 mm |
| Depth (with stand) | 237.4 mm |
| Height (with stand) | 541.1 mm |
| Weight (with stand) | 10.3 kg |
| Width (without stand) | 815.7 mm |
| Depth (without stand) | 58.1 mm |
| Height (without stand) | 365.4 mm |
| Weight (without stand) | 6.7 kg |
| Package weight | 14.9 kg |
| Sustainability certificates | RoHS, EPEAT Gold, ENERGY STAR |
| Harmonized System (HS) code | 85285210 |
| On/off switch | Yes |
| Picture-by-Picture (PbP) | Yes |
| Description |
| DELL 34 Curved USB-C Monitor – P3421W. Display diagonal: 86.7 cm (34.1"), Display resolution: 3440 x 1440 pixels, HD type: Quad HD, Display technology: LCD, Response time: 8 ms, Native aspect ratio: 21:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). VESA mounting, Height adjustment. Product colour: Black, Silver |
