Reviews and Guide

Alienware AW2521HFL 240Hz IPS Gaming Monitor Features and Specs

A good monitor belongs in every gaming setup. What is a good monitor for you depends very much on your preferences and the games you play. If you primarily gamble graphically complex single player games, then I would clearly advise you to use a 21: 9 monitor . But if you are a little more “competitive”, then a monitor with a higher frame rate and particularly low response time makes sense. The Alienware AW2521HFL is exactly such a monitor . This should have a response time of just 1ms, with a refresh rate of 240Hz.

Clearly Alienware products are always in the premium category, so the hefty price is not surprising. But the question arises, can the Alienware AW2521HFL really underpin this price with its quality? Let’s find out in the Review.


There is one point where Alienware is absolutely masterful and that is the feel and finish. As soon as you unpack it, you will notice that the AW2521HFL is an absolute premium product. This also applies to the base, which is extremely massive! I would even say the stand alone weighs almost more than one or the other cheap monitor. This offers a height adjustment and the possibility to adjust the angle of the monitor horizontally and vertically. Class! In addition, some RGB LEDs are integrated in the base, which can be controlled via software.

Design is always a matter of taste, of course, but I think the current Alienware design is simply great! It stands out from the crowd, is eye-catching but at the same time tasteful. Both the base and the back of the monitor are made of matt white plastic, suitable for various Alienware notebooks.

However, as usual, the front is designed in a very minimalist manner. We have nice little frames on the sides and a slightly thicker bar with the Alienware logo at the bottom.

The Alienware AW2521HFL is controlled via a directional pad and buttons on the right edge of the monitor. Basically I like the buttons and the OSD very much, but I don’t like the position on the right edge. If you are using a multi-monitor setup, the buttons are difficult to reach.

In terms of connections, we have:

  • 2x HDMI 2.0
  • 1x DisplayPort 1.2
  • 1x USB 3.0 input
  • 4x USB 3.0 outputs
  • 2x 3.5mm audio outputs

The port equipment is very good! It is also clear here that we have a premium monitor in front of us with this all ports.

Especially the USB hub, which is also used to control the RGB LEDs, is nice! Especially since two of the USB ports are very easily accessible.

Panel Details

The Alienware AW2521HFL is actually a 24.5 inch monitor with the following technical data:

  • 24.5 inch
  • IPS panel
  • 1920x1080p “Full HD”
  • 240Hz
  • 400 cd / m
  • 1000: 1 contrast

Dell and Alienware use a Full HD IPS panel for the AW2521HFL, which makes perfect sense. The monitor is clearly trimmed for a particularly fast response time and high frame rates.

An IPS panel is clearly preferable to a VA panel here. The 240 Hz is impressive and can even give you some advantage in the game. You see an opponent earlier when he walks around a corner than with a 60 Hz monitor.

The Full HD resolution is certainly not absolute splendor at 25 inches, but is still okay in games. In addition, Full HD is easy enough to fire for modern graphics cards that you often achieve FPS that also meet the 240 Hz of the monitor. What good is 240 Hz if you only play with 60 FPS? Really not that much. Full HD is certainly a certain compromise here, in which a high frame rate was exchanged for a higher resolution.

User Experience

The Alienware AW2521HFL is without question one of the best Full HD monitors that I have tested so far. Above all, the very high brightness and the good contrast stand out here. The color reproduction is also decent, only the image sharpness prevents me from classifying the image quality as very good. I am now used to 2K and 4K monitors, and you can see a difference in the sharpness of the text. How sharp or fuzzy the image of the Alienware AW2521HFL looks to you, therefore certainly depends on what you are used to.

However, The resolution of the monitor didn’t bother me In playing games or Watching movies. Because of the movement (when playing games), the difference between 2K and Full HD isn’t that huge.

This is where the AW2521HFL can fully demonstrate its strengths, the 240 Hz refresh rate and the response time of 1 ms. And yes, it is impressive how responsive the monitor already appears to be when moving the mouse. I think even CS GO professionals would have fun here.

Power consumption

The lower Full HD resolution and the screen diagonal of 24.5 inches help a lot in keeping the power consumption of the monitor low.Even at 100% brightness, the monitor only needs 27W, which is very little! With a more normal brightness, the power consumption is around 20W, which is great!


Whether I can recommend the Dell Alienware AW2521HFL depends on your application.

Basically, the AW2521HFL has a very good picture for a full HD monitor. There is certainly still some room for improvement in terms of color gamut and calibration, but we don’t have a graphics monitor in front of us either.

The maximum brightness in particular is extremely good and the contrast is strong for a monitor with an IPS panel. Accordingly, the image impression is very good, especially in games. But if you use the monitor for office applications, then the Full HD resolution is a bit noticeable, depending on what you were used to before.

The Alienware AW2521HFL is clearly aimed at pro gamers who are looking for the absolute minimum in input lag, response time and the maximum refresh rate, and this is where the monitor can shine! It is really impressive how responsive this looks and thanks to Full HD resolution, frame rates in the range of 240 FPS can be definetely achieved in ESport titles.

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