The PB278Q is Asus’ entry into the world of high-grade 27-inch monitors and a direct competitor to other high-end offerings such as the Dell U2711 and others. It’s been on the market for a while and turned into a popular monitor for professionals and enthusiasts thanks to good performance and a reasonable price range.

High-resolution displays with accurate color reproduction and a wide range of adjustment options that are important for pro users have been around a long time, but they have also been located in a price category that made them largely unavailable to anyone without the benefit of a large corporate budget. However, higher resolutions have found their way into more price categories lately.

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The Asus PB278Q is an excellent example of this trend; it’s equipped with a PLS panel (largely a variant of IPS)with a resolution of 2560 x 1440 pixels and complete compatibility with the sRGB color gamut. The price tag is about $700, which is affordable considering that other professional displays like the NEC PA271W has a price tag at least twice as large.

Asus’ PB278Q is equipped with a nice array of input options, including VGA, DisplayPort 1.2, DVI and HDMI 1.4. This should be compared to many other monitors that are often limited to DisplayPort 1.1 and sometimes lack the VGA input. Considering that this display is directed at pro users, it’s not surprising that it comes with a stand that allows you to tilt, raise/lower the height and rotate the screen. On the downside, there is no USB hub or card reader.

With a response time of just five milliseconds – a somewhat unusual feature in an IPS/PLS monitor – the PB278Q is also suitable for games. Gamers usually have to settle for TN-based panels due to their lower response time, but not in this case.

As for the specifications, the Asus PB278Q has a dynamic contrast ratio of 80,000,000:1, which as always is a totally meaningless number. The static contrast ration should still be good at around 1,000:1, and the PLS panel has a color depth of eight bits that provides for a very impressive image quality.


  • Screen Size: 27″
  • Resolution: 2560 x 1440
  • Panel type: PLS
  • Maximum viewing angle (horizontal/vertical): 178 ° / 178 °
  • Aspect ratio: 16:9
  • Backlighting: LED
  • Surface: Anti-glare
  • Response time: 5 ms
  • Contrast ratio (static): 1000: 1
  • Contrast ratio (dynamic): 80,000,000: 1
  • Brightness: 300 cd/m²
  • Dot pitch: 0.233 mm
  • Color Support: 16.7 Million


… the PB278Q is one of the two 27” displays I can easily recommend now and it costs $100 less than the Dell, making it a great choice for those that want a high performance monitor.


… the VP2770-LED is a good-quality 27in monitor with fine colour accuracy, plenty of connectivity and a proper, adjustable stand.

PCPro (UK)

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