31.5", 3840 x 2160, 120Hz, 16:9, 300cd/m², 0.3ms, 178°/178°, USB PD (140W)
Designed for colour-critical workflows, this 31.5-inch monitor features DisplayHDR True Black 500, anti-glare low-reflectance, a built-in colorimeter, and Dell Colour Management tools for remote calibration and fleet management.
| Display |
|---|
| Display diagonal |
80 cm (31.5") |
| Display resolution |
3840 x 2160 pixels |
| Native aspect ratio |
16:9 |
| Display technology |
QD-OLED |
| Touchscreen |
No |
| HD type |
4K Ultra HD |
| Display brightness (peak) |
1000 cd/m² |
| Display brightness (typical) |
300 cd/m² |
| Response time |
0.3 ms |
| Response time measurement type |
GTG (Gray to Gray) |
| Anti-glare screen |
Yes |
| Screen shape |
Flat |
| Supported graphics resolutions |
640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 720 (HD 720), 1280 x 800 (WXGA), 1280 x 1024 (SXGA), 1600 x 1200 (UXGA), 1920 x 1080 (HD 1080), 2560 x 1440, 3840 x 2160 |
| Supported video modes |
2160p, 1080p, 720p, 576p, 480p |
| Contrast ratio (dynamic) |
1500000:1 |
| Maximum refresh rate |
120 Hz |
| Viewing angle, horizontal |
178° |
| Viewing angle, vertical |
178° |
| Display number of colours |
1.07 billion colours |
| Pixel pitch |
0.1814 x 0.1814 mm |
| Pixel density |
140 ppi |
| Viewable size, horizontal |
69.7 cm |
| Viewable size, vertical |
39.2 cm |
| Digital horizontal frequency |
15 - 270 kHz |
| Digital vertical frequency |
48 - 120 Hz |
| High Dynamic Range (HDR) technology |
Dolby Vision, HDR True Black 500 |
| Surface hardness |
3H |
| sRGB coverage (typical) |
100% |
| Adobe RGB coverage |
94% |
| BT.2020 coverage |
80% |
| Performance |
|---|
| Flicker-free technology |
Yes |
| Low Blue Light technology |
Yes |
| Multimedia |
|---|
| Built-in speaker(s) |
No |
| Built-in camera |
No |
| Design |
|---|
| Market positioning |
Office |
| Product colour |
Black |
| Front bezel colour |
Black |
| Detachable stand |
Yes |
| Feet colour |
Black |
| Ports & interfaces |
|---|
| Built-in USB hub |
Yes |
| USB upstream port type |
USB Type-C |
| Number of USB Type-C upstream ports quantity |
1 |
| USB Type-A downstream ports quantity |
2 |
| USB Type-C DisplayPort Alternate Mode |
Yes |
| USB Power Delivery |
Yes |
| USB Power Delivery up to |
140 W |
| HDMI |
Yes |
| HDMI ports quantity |
2 |
| HDMI version |
2.1 |
| DisplayPorts quantity |
1 |
| DisplayPort out version |
1.4 |
| Thunderbolt 4 ports quantity |
2 |
| Headphone out |
No |
| Built-in KVM switch |
Yes |
| HDCP |
Yes |
| HDCP version |
1.4/2.2 |
| Ergonomics |
|---|
| VESA mounting |
Yes |
| Panel mounting interface |
100 x 100 mm |
| Cable management |
Yes |
| Cable lock slot |
Yes |
| Cable lock slot type |
Kensington |
| Height adjustment |
Yes |
| Adjustable height (max) |
15 cm |
| Pivot |
Yes |
| Pivot angle |
-90 - 90° |
| Swivelling |
Yes |
| Swivel angle range |
-30 - 30° |
| Tilt adjustment |
Yes |
| Tilt angle range |
-5 - 21° |
| Picture-in-Picture |
Yes |
| On Screen Display (OSD) |
Yes |
| Power |
|---|
| Energy efficiency class (SDR) |
G |
| Energy efficiency class (HDR) |
G |
| Energy consumption (SDR) per 1000 hours |
34 kWh |
| Energy consumption (HDR) per 1000 hours |
34 kWh |
| Power consumption (typical) |
33.7 W |
| Power consumption (standby) |
0.4 W |
| Power consumption (max) |
460 W |
| Power consumption (off) |
0.3 W |
| AC input voltage |
100 - 240 V |
| AC input frequency |
50/60 Hz |
| Input current |
5.3 A |
| Power supply type |
Internal |
| Energy efficiency scale |
A to G |
| Operational conditions |
|---|
| Operating temperature (T-T) |
0 - 45 °C |
| Storage temperature (T-T) |
-20 - 60 °C |
| Operating relative humidity (H-H) |
10 - 90% |
| Storage relative humidity (H-H) |
10 - 90% |
| Operating altitude |
0 - 5000 m |
| Non-operating altitude |
5000 - 12192 m |
| Packaging content |
|---|
| Stand included |
Yes |
| Cables included |
Power, HDMI, DisplayPort, Thunderbolt |
| Weight & dimensions |
|---|
| Width (with stand) |
718.3 mm |
| Depth (with stand) |
217.2 mm |
| Height (with stand) |
623.8 mm |
| Weight (with stand) |
9.35 kg |
| Width (without stand) |
718.3 mm |
| Depth (without stand) |
65.5 mm |
| Height (without stand) |
436 mm |
| Weight (without stand) |
6.43 kg |
| Bezel width (side) |
1.23 cm |
| Bezel width (top) |
9.3 mm |
| Bezel width (bottom) |
3.78 cm |
| Packaging data |
|---|
| Package weight |
16.3 kg |
| Sustainability |
|---|
| Sustainability certificates |
ENERGY STAR |
| Doesn't contain |
PVC/BFR, Arsenic, Mercury |
| General |
|---|
| Product family |
UltraSharp |
| Carbon footprint |
|---|
| PAIA version |
PAIA 1.5.3, 2026 |
| Carbon emissions (End-of-Life) |
12.23 |
| Carbon emissions (Use) |
246.13 |
| Carbon emissions (Logistics) |
107.58 |
| Carbon emissions (Manufacturing) |
448.25 |
| Total carbon emissions (Standard deviation) |
179 |
| Total carbon footprint |
815 |
| Technical details |
|---|
| Native refresh rate |
60 Hz |
| Compliance certificates |
RoHS |
| Other features |
|---|
| DCI-P3 coverage |
99% |
