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A 30-inch LCD panel naturally generates a lot of heat. Since the exterior is made of plastic, it is not possible to do without ventilation slots, and these are present in large numbers. Unlike the Eizo SX3031W, the LCD3090WQXi does not come with a fan and as a result, the model becomes a good bit warmer when in use.

Left: side view of the NEC 3090WQXi and right: the large ventilation slots.

If you are afraid that small insects might their way inside the monitor, you should attach a fine-meshed insect screen to the windows and ensure that there is an additional light source in the room. These measures reduce the risk of insect attacks.

The option to mount a monitor on the wall is almost seen as standard today. As expected, NEC makes no mistakes with the LCD3090WQXi. Thanks to the VESA100 fixture, wall mounting is no problem.

Although no fan is used in the NEC monitor, the model is not completely silent. However, the minimal background noise caused by the integrated power unit can only be heard in practice when you put your ear almost directly onto the ventilation slots. Selected image patterns with hard contrasts cause the noise to become a little louder.

In the factory settings, the power LED glows a discreet blue. It is even possible to change the colour in the OSD; the user can select from green and orange.

Power consumption

  Manufacturer Measured
150 W 150,3 W
< 1,3 W 0,5 W
< 1W 0 W
- 104 W
- 100 W

The NEC 3090WQXi achieves almost exactly the manufacturer’s details in its factory setting. Of course, we cannot expect any energy-saving miracles of a 30-inch model, but all values are at acceptable levels for a screen of this size.

It is positive that NEC offers a real power switch on the side of the monitor. However, astonishingly, the power consumption can also be reduced to 0 watts using the button on the front.


The Spartan range of connections the monitor offers is located vertically on the back. Only two DVI ports are provided to feed the monitor with image signals. One of these still accepts analogue signals and is therefore a DVI-I variant.

Both connectors are HDCP-ready. The electronics used for processing are quite flexible, so that frequencies which deviate from the typical 60Hz are also supported. This is a very interesting feature for video playback which we will examine in detail in the "DVD and Video" section.

Sparse view: Both DVI inputs on the NEC LCD3090WQXi. The USB connection for a Colorimeter can be seen on the left.

Apart from the two video ports, there is nothing but empty space on the back. Apart from the power connection for the integrated power unit, there is just a USB connection. Here, the Colorimeter i1 Display can be connected, with which the self-calibration of the LCD monitor can be carried out, but without using corresponding software.

Further details on the extent of this option are provided in the "Measurements and Calibration" section. As well as the DVI-D connection in the centre of the monitor, another round input can be seen. This connection is used to provide power for the optional sound bar.

Unfortunately, there is no USB hub, which is usually offered today, and there is not even a single "real" USB connection to which any external devices can be connected.

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