ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR DELL U2311H, 23", 1920 x 1080 pixels, Full HD, 8 ms, Black DELL U2311H. Display diagonal: 23", Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 8 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. USB hub version: 2.0. Product color: Black https://www.anandtech.com/show/4880/dell-u2311h-affordable-eips For years now Dell has been one of the few companies that consistently offers a range of displays using IPS panels for desktop displays instead of only the more affordable TN panels. Now with the availability of e-IPS panels, Dell has been able to of... Overall the Dell U2311H did a good job as a display, especially when you consider how affordable you can find it available for. The backlight uniformity leaves a bit to be desired, but the dE level was capable of getting to a level that was suitable for p... http://www.xbitlabs.com/articles/monitors/display/dell-eips-roundup_6.html This is a very close relation of the U2211H, the only notable difference being the extra 1.5 inches of screen space diagonally. Otherwise, the two models coincide... https://www.flatpanelshd.com/review.php?subaction=showfull&id=1275291737 Dell and are Dell’s two new low priced IPS monitors. We have received U2311 with a 23-inch IPS panel and a 1920x1080 resolution, as well as Dell’s well-known matte black design and great ergonomic features.But is the more price friendly U2311H a rea... Color reproduction, Shadow detailing, Price, Ergonomics, Low power consumption Minor bleeding, Contrast changes from angles, No HDMI, Black not as deep as on SPVA panels Dell U2311H is a cheap alternative to the TN panels that are (unfortunately) dominating the monitor market today. And with the IPS panel in U2311H you get much better picture quality than any TN panel provides.The attractive ergonomic functions with heigh...