| Remove from comparison | Remove | Remove | Remove | Remove |
|---|---|---|---|---|
| Product name | ||||
| Price | $1,142 to $2,378 at 5 stores | $880 to $1,204 at 5 stores | $1,247 at 1 store | $669 to $1,507 at 10 stores |
| CNET editors' rating | | | Not yet rated | 3.5 stars Very good |
| Average user rating | 3.0 stars out of 8 reviews | 3.0 stars out of 25 reviews | 0 stars No reviews, write one! | 5.0 stars out of 1 review |
| Release date | September 20, 2010 | January 07, 2010 | February 12, 2013 | October 20, 2011 |
| The Bottom Line | The Dell UltraSharp U3011 is an impressive monitor and the most feature-rich 30-incher out there. | The Dell UltraSharp U2711 is a feature-rich monitor with incredible performance that earns its high price. | The HP ZR2740w sacrifices customization to deliver a powerful monitor at a reasonable price. | Basic specs |
| Features | See What's the Same or What's different | |||
| Display (projector) technology [Nov 3, 2011 from CDS: Display (Projector)] | TFT active matrix | TFT active matrix | Info unavailable | TFT active matrix |
| Max resolution | 2560 x 1600 | 2560 x 1440 | Info unavailable | 2560 x 1440 |
| Dot pitch | 0.2505 mm | 0.2331 mm | Info unavailable | 0.2331 mm |
| Input device type | None | Info unavailable | Info unavailable | Info unavailable |
| LCD Backlight Technology | Cold Cathode Fluorescent Lamp (CCFL) | Cold Cathode Fluorescent Lamp (CCFL) | Info unavailable | WLED backlight |
| Viewable screen size | 30 in | 27 in | Info unavailable | Info unavailable |
| Digital video standard | Digital Visual Interface (DVI) High-Definition Multimedia Interface (HDMI) DisplayPort | Digital Visual Interface (DVI) High-Definition Multimedia Interface (HDMI) DisplayPort | Info unavailable | Digital Visual Interface (DVI) DisplayPort |
| Service & support type | 3 years warranty | Info unavailable | Info unavailable | Info unavailable |
| Display (projector) diagonal size | 30 in | 27 in | Info unavailable | 27 in |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | | | | |
| Remove from comparison | Remove | Remove | Remove | Remove |




