Product Program Category |
Displays |
Displays |
Type |
Monitor |
Monitor |
Brand Name |
DELL |
DELL |
Model Name |
U4320Q |
U3821DW |
Model Number |
U4320Qt |
U3821DWb |
UPC |
884,116,365,914 |
884116381303;884116381310 |
CB Model Identifier |
ES_29573_U4320Qt_08222019221704_9895458 |
ES_29573_U3821DWb_09112020155748_2987444 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
No |
ENERGY STAR Partner |
Dell Inc. |
Dell Inc. |
Product Category |
Displays |
Displays |
Date Available On Market |
December 19, 2019 |
January 28, 2021 |
Date Certified |
August 21, 2019 |
September 11, 2020 |
Markets |
United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
Product Type |
Monitor |
Monitor |
Panel Type |
IPS LCD |
IPS LCD |
Native Resolution (pixels) |
3840 x 2160 |
3840 x 1600 |
Total Native Resolution (megapixels) |
8 |
6.1 |
Screen Size |
42.5 inches / 107.95 cm |
37.5 inches / 95.25 cm |
Screen Area (square inches) |
772.33 inches / 1961.72 cm |
499.76 inches / 1269.39 cm |
Model Features |
USB-C,Built-In Speakers |
Variable Refresh Rate,Curved Screen,Full Network Connectivity,USB-C,Built-In Speakers |
Features Enabled in Default On Mode |
Built-In Speakers |
Variable Refresh Rate,Full Network Connectivity,Built-In Speakers |
Features Enabled in Default Sleep Mode |
None |
Full Network Connectivity |
Signal or Data Interfaces |
Display,HDMI,USB |
RJ45,Display,HDMI,USB |
Power Source |
Ac to dc internal power supply |
Ac to dc internal power supply |
On Mode Power (watts) |
51 |
33.46 |
Sleep Mode Power (watts) |
1 |
0.41 |
Off Mode Power (watts) |
0 |
0.17 |
Monitor Total Energy Consumption at 115 Volts (kWh/yr) |
159 |
104.92 |
Maximum Total Energy Consumption Limit for Monitor Certification (kWh/yr) |
174 |
144.6 |
Maximum Luminance (candelas per square meter) |
400 |
300 |
Enhanced-Performance Display? |
Yes |
Yes |
Color Gamut |
0 |
42.8 |
Color Spaces Supported |
None |
sRGB |
High Dynamic Range (HDR) |
N/A |
N/A |
Display Contrast Ratio at 0 deg. Horiz. Viewing Angle |
1,000 |
1000 |
Reported Contrast Ratio at -85 Degrees (Left) Horizontal Viewing Angle |
65 |
60 |
Reported Contrast Ratio at +85 Degrees (Right) Horizontal Viewing Angle |
74 |
60 |
USB-C with Power Delivery Supported |
Yes |
Yes |
Maximum Power Delivery (W) |
90 |
90 |
Tiled Display System |
No |
No |