Monitors and displaysENERGY STAR certified
DELL U2721DE
27 in monitor display, model number U2721DEt.
Screen size
27 in
Native resolution
2560 x 1440
Power in use
19.2 W
USB-C with power delivery
No
Of 1,489 certified monitor monitors and displays, 1,043 have a lower power in use than the U2721DE (19.2 W).
- Maker
- DELL
- Model
- U2721DE
- Model number
- U2721DEt
- Type
- Monitor
- Screen size
- 27 in
- Native resolution
- 2560 x 1440
- Panel
- IPS LCD
- Maximum brightness
- 350 cd/m²
- USB-C with power delivery
- No
- Inputs
- RJ45, Display, HDMI, USB
- Power in use
- 19.2 W
- Power in sleep
- 0.63 W
- Power when off
- 0.19 W
- ENERGY STAR Most Efficient
- No
- On the market since
- Mar 2020
- ENERGY STAR certified
- 18 Dec 2019
Source: ENERGY STAR certified monitors and displays dataset, US EPA, record 2351558, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the U2721DE
Certified monitors and displays from other makers, same color class, within 20% of its speed.
| Model | Type | Screen size | Native resolution | Power in use |
|---|---|---|---|---|
| Samsung S27R65*FD# | Monitor | 27 in | 1080 x 1920 | 13.5 W |
| ASUS VA27EQSB | Monitor | 27 in | 1080 x 1920 | 14.8 W |
| Lenovo P27q-20 | Monitor | 27 in | 1440 x 2560 | 16.5 W |
| Lenovo T27q-20 | Monitor | 27 in | 2560 x 1440 | 17.2 W |
| PHILIPS 278E1A | Monitor | 27 in | 2160 x 3840 | 20.2 W |
| BenQ GW2780 | Monitor | 27 in | 1920 x 1080 | 12.9 W |
DELL
More DELL monitors and displays
| Model | Type | Screen size | Native resolution | Power in use |
|---|---|---|---|---|
| C2723DE | Monitor | 27 in | 2560 x 1440 | 20.5 W |
| C2724DE | Monitor | 27 in | 2560 x 1440 | 20.5 W |
| C3424WE | Monitor | 34 in | 3440 x 1440 | 28 W |
| E2020H | Monitor | 19.5 in | 1600 x 900 | 8.4 W |
| E2026H | Monitor | 19.5 in | 1600 x 900 | 9.81 W |
| E2225H | Monitor | 21.5 in | 1920 x 1080 | 12.2 W |
| E2225HMo | Monitor | 21.5 in | 1920 x 1080 | 10.1 W |
| E2225HM | Monitor | 21.5 in | 1920 x 1080 | 10.1 W |