ENERGY STAR Partner |
Dell Inc. |
Dell Inc. |
Product Category |
Displays |
Displays |
Type |
Monitor |
Monitor |
Brand Name |
DELL |
DELL |
Model Name |
U2720Q |
S2421H |
Model Number |
U2720Qt |
S2421Ht |
Additional Model Information |
U2720QM,, |
S2421HN,,; S2421HS,,; S2421HSX,,; S2421NX,, |
Date Available On Market |
January 30, 2020 |
August 20, 2020 |
Date Certified |
August 21, 2019 |
May 26, 2020 |
Markets |
United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
CB Model Identifier |
ES_29573_U2720Qt_08222019221726_9150664 |
ES_29573_S2421Ht_05272020090930_5198117 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
No |
Product Type |
Monitor |
Monitor |
Panel Type |
IPS LCD |
IPS LCD |
Native Resolution (pixels) |
3840 x 2160 |
1920 x 1080 |
Total Native Resolution (megapixels) |
8 |
2.1 |
Screen Size |
27 inches / 68.58 cm |
23.8 inches / 60.45 cm |
Screen Area (square inches) |
310.47 inches / 788.59 cm |
242.18 inches / 615.14 cm |
Model Features |
USB-C |
Built-In Speakers |
Features Enabled in Default On Mode |
None |
Built-In Speakers |
Features Enabled in Default Sleep Mode |
None |
None |
Signal or Data Interfaces |
Display,HDMI,USB |
HDMI |
Power Source |
Ac to dc internal power supply |
Ac to dc internal power supply |
On Mode Power (watts) |
25 |
11.81 |
Sleep Mode Power (watts) |
1 |
0.2 |
Off Mode Power (watts) |
0 |
0.18 |
Monitor Total Energy Consumption at 115 Volts (kWh/yr) |
80 |
37.35 |
Maximum Total Energy Consumption Limit for Monitor Certification (kWh/yr) |
92 |
45.73 |
Maximum Luminance (candelas per square meter) |
400 |
250 |
Enhanced-Performance Display? |
Yes |
No |
Color Gamut |
0 |
N/A |
Color Spaces Supported |
None |
None |
High Dynamic Range (HDR) |
N/A |
N/A |
Display Contrast Ratio at 0 deg. Horiz. Viewing Angle |
1,300 |
1000 |
Reported Contrast Ratio at -85 Degrees (Left) Horizontal Viewing Angle |
116 |
N/A |
Reported Contrast Ratio at +85 Degrees (Right) Horizontal Viewing Angle |
113 |
N/A |
USB-C with Power Delivery Supported |
Yes |
No |
Maximum Power Delivery (W) |
90 |
N/A |
Tiled Display System |
No |
No |