Dell S2721DS Monitor Users Guide - Page 20

Power management modes If you have a VESA DPM™ compliant display card or software installed on your computer, the monitor can automatically reduce its power consumption when not in use. This is referred to as Standby Mode*. If the computer detects input from the keyboard, mouse, or other input devices, the monitor automatically resumes to function. The following table shows the power consumption and signaling of this automatic power saving feature: VESA Horizontal Vertical Video Power Power modes sync sync indicator consumption Normal Active operation Active Active White 40 W (maximum)** 19 W (typical) Active-off Inactive mode Inactive Blanked White Less than 0.3 W (breathing) Switch off - - - Off Less than 0.3 W Power Consumption Pon Total Energy Consumption (TEC) 17.5 W 54.68 kWh *Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the monitor. **Maximum power consumption with max luminance. This document is informational only and reflects laboratory performance. Your product may perform differently, depending on the software, components and peripherals you ordered and shall have no obligation to update such information. Accordingly, the customer should not rely upon this information in making decisions about electrical tolerances or otherwise. No warranty as to accuracy or completeness is expressed or implied. NOTE: This monitor is ENERGY STAR certified. This product qualifies for ENERGY STAR in the factory default settings which can be restored by "Factory Reset" function in the OSD menu. Changing the factory default settings or enabling other features may increase power consumption that could exceed the ENERGY STAR specified limit. 20 │ About your monitor