| 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 | UltraWide Quad HD |
| Panel type | IPS |
| Screen shape | Curved |
| Contrast ratio (typical) | 2000:1 |
| Maximum refresh rate | 60 Hz |
| Backlight type | Edge LED |
| Display brightness (typical) | 300 cd/m² |
| Response time | 8 ms |
| Anti-glare screen | Yes |
| Supported video modes | 480p, 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 - 90 kHz |
| Vertical scan range | 56 - 76 Hz |
| Viewable size, horizontal | 80 cm |
| Viewable size, vertical | 33.5 cm |
| Viewable size diagonal | 86.7 cm |
| High Dynamic Range (HDR) supported | No |
| RGB colour space | DCI-P3 |
| Colour gamut | 98% |
| sRGB coverage (typical) | 100% |
| Built-in speaker(s) | Yes |
| Built-in camera | No |
| Number of speakers | 2 |
| RMS rated power | 10 W |
| Market positioning | Business |
| Product colour | 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 2 (3.1 Gen 2) |
| USB upstream port type | USB Type-C |
| Number of USB Type-C upstream ports quantity | 2 |
| USB Type-A downstream ports quantity | 4 |
| USB Type-C downstream ports quantity | 1 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB Power Delivery | Yes |
| USB Power Delivery up to | 90 W |
| HDMI ports quantity | 2 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Audio output | Yes |
| Built-in KVM switch | Yes |
| HDCP | Yes |
| HDCP version | 2.2 |
| Charging port type | USB Type-C |
| AC (power) in | Yes |
| Wi-Fi | No |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Panel mounting interface | 100 x 100 mm |
| Cable management | Yes |
| Cable lock slot type | Kensington |
| Height adjustment | 15 cm |
| Pivot | No |
| Swivelling | Yes |
| Swivel angle range | -30 - 30° |
| Tilt angle range | -5 - 21° |
| On Screen Display (OSD) | Yes |
| LED indicators | Yes |
| Tilt adjustment | Yes |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | Not available |
| Energy consumption (SDR) per 1000 hours | 31 kWh |
| Power consumption (typical) | 31 W |
| Power consumption (standby) | 0.3 W |
| Power consumption (max) | 198 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power supply type | Internal |
| Stand included | Yes |
| Cables included | AC, DisplayPort, HDMI, USB Type-A to USB Type-C, USB Type-C to USB Type-C |
| Quick start guide | Yes |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
| Width (with stand) | 813.3 mm |
| Depth (with stand) | 237.4 mm |
| Height (with stand) | 542.8 mm |
| Weight (with stand) | 11 kg |
| Width (without stand) | 813.3 mm |
| Depth (without stand) | 60.1 mm |
| Height (without stand) | 359.1 mm |
| Weight (without stand) | 7.72 kg |
| Bezel width (side) | 9.66 mm |
| Bezel width (top) | 1.03 cm |
| Bezel width (bottom) | 1.39 cm |
| Package weight | 15.7 kg |
| Sustainability certificates | ENERGY STAR, RoHS |
| Doesn't contain | PVC/BFR |
| RJ-45 ports quantity | 1 |
| Description |
| DELL UltraSharp U3423WE. Display diagonal: 86.7 cm (34.1"), Display resolution: 3440 x 1440 pixels, HD type: UltraWide Quad HD, Display technology: LCD, Response time: 8 ms, Native aspect ratio: 21:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub, USB hub version: 3.2 Gen 2 (3.1 Gen 2). VESA mounting, Height adjustment. Product colour: Silver |
