Dell 27" S2721QS - Specifications

Size class27 in (inches)
Horizontal viewing angle 178 ° (degrees) / 178 ° (degrees)
Static contrast 1300 : 1
Vertical frequency (digital) 40 Hz - 60 Hz (hertz) / 40 Hz - 60 Hz (hertz)
sRGB 99 % (percent)
Weight 4.7 kg (kilograms)
Brand, series, model

Information about the brand, series, model and model aliases.

Brand
Name of the company-manufacturer.
Dell
Model
Designation of the model.
S2721QS
Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class
Size class of the display as declared by the manufacturer. Often this is the rounded value of the actual size of the diagonal in inches.
27 in (inches)
Diagonal
Approximate diagonal size of the display. If the manufacturer does not provide such information, the diagonal is calculated from the width and height of the screen.
684.7 mm (millimeters)
Width
Approximate width of the display. If the manufacturer does not provide such information, the width is calculated from the diagonal and the aspect ratio.
596.736 mm (millimeters)
Height
Approximate height of the display. If the manufacturer does not provide such information, the height is calculated from the diagonal and the aspect ratio.
335.664 mm (millimeters)
Panel type
There are various panel technologies. Each has its own specific features - viewing angles, color reproduction, response time, brightness/contrast, production cost, etc. The image quality depends directly on the type of the display panel used.
IPS
Panel bit depth
The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively.
10 bits
Colors
The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC.
1073741824 colors
Aspect ratio
The ratio between the horizontal and the vertical side of the display. Some of the standard and widely used aspect ratios are 4:3, 5:4, 16:9 and 16:10.
1.778:1
Resolution
Information about the number of pixels on the horizontal and vertical side of the screen. A higher resolution allows the display of a more detailed and of higher quality image.
3840 x 2160 pixels
Pixel pitch
The pixel pitch shows the distance from the centers of two neighboring pixels. In displays, which have a native resolution (the TFT ones, for example), the pixel pitch depends on the resolution and the size of the screen.
0.155 mm (millimeters)
Pixel density
Information of the number of pixels in a unit of length. With the decrease of the display size and the increase of its resolution, the pixel density increases.
163 ppi (pixels per inch)
Display area
The percentage of the approximate area, taken by the active part of the screen, to the total front area.
89.83 % (percent)
Backlight
The backlight is the source of light of the LCD display panels. The type of backlight determines the image quality and the color space of the display. There are various backlights such as CCFL, LED, WLED, RGB-LED, and etc.
W-LED
sRGB
sRGB is a color space, developed jointly by Hewlett-Packard and Microsoft in 1996. It is used in different devices such as printers, displays, TV sets, cameras, etc. The sRGB color space covers about 72% of the NTSC color space.
99 % (percent)
Brightness
Information about the brightness of the screen. It is measured in candela per square metre (cd/m²).
350 cd/m² (candela per square meter)
Static contrast
The static contrast shows the ratio between the brightest and the darkest color, which the display can reproduce simultaneously, for example, within one and the same frame/scene.
1300 : 1
Horizontal viewing angle
Information about the maximum horizontal viewing angle, within which the image on the screen is of acceptable quality.
178 ° (degrees)
Vertical viewing angle
Information about the maximum vertical viewing angle, within which the image on the screen is of acceptable quality.
178 ° (degrees)
Minimum response time
Information about the minimum amount of time, in which the pixels change from one color to another. Very often the manufacturer provides the response time for transition from grey-to-grey (G2G).
4 ms (milliseconds)
Average response time
Information about the average amount of time, in which the pixels change from one color to another.
8 ms (milliseconds)
Coating
Information about the type of coating of the display. There are different types of matte and glossy coatings, each of which has its own advantages and drawbacks.
Anti-glare/Matte (3H)
3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3D
Information on whether 3D is supported or not.
No
Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)
The horizontal scan rate/frequency shows the number of horizontal lines, displayed by the monitor per second, when it is plugged to a digital source.
130 kHz - 137 kHz (kilohertz)
Vertical frequency (digital)
The vertical frequency/refresh rate shows how many times in a second the image on the screen is refreshed.
40 Hz - 60 Hz (hertz)
Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V
Permissible voltage tolerance in a 110-volt electric system.
100 V - 120 V (volts)
220V
Permissible voltage tolerance in a 220-volt electric system.
220 V - 240 V (volts)
Alternating current frequency
Requirement regarding the alternating current frequency in the electric system.
50 Hz - 60 Hz (hertz)
Power consumption (off)
Power consumption in off-mode.
0.3 W (watts)
Power consumption (sleep)
Power consumption in sleep/stand by/suspend mode.
0.3 W (watts)
Power consumption (eco)
Average power consumption in economy mode.
24.3 W (watts)
Power consumption (average)
Average power consumption in standard work mode.
28 W (watts)
Power consumption (maximum)
The maximum possible power consumption.
52 W (watts)
Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Depth
Depth without stand in different measurement units.
55.4 mm (millimeters)
Weight
Weight without stand in different measurement units.
4.7 kg (kilograms)
Width with stand
Width with stand in different measurement units.
611.6 mm (millimeters)
Height with stand
Height with stand in different measurement units.
400.1 mm (millimeters)
Depth with stand
Depth with stand in different measurement units.
174.7 mm (millimeters)
Weight with stand
Weight with stand in different measurement units.
6.4 kg (kilograms)
Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mount
Information about whether there is a possibility for wall mounting according to the VESA Mounting Interface Standard (MIS).
Yes
VESA interface
There are many various interfaces under the VESA standard, which differ in the size of the brackets, the distances between the screw holes and their number.
100 x 100 mm
Removable stand
Information about whether the stand can be dismounted. Usually, this is required for wall mounting.
Yes
Height adjustment
Information about whether the stand allows height adjustment.
Yes
Height adjustment range
Information about the extent to which the stand allows the height to be adjusted.
110 mm (millimeters)
Landscape/portrait pivot
Some displays have the ability to operate in landscape and portrait mode alike.
Yes
Left pivot
Degree of pivoting the display counterclockwise.
90 ° (degrees)
Right pivot
Degree of pivoting the display clockwise.
90 ° (degrees)
Left/right swivel
Information whether the display can be swiveled around the stand axis.
Yes
Left swivel
Maximum swivel degree of the display to the left of the stand axis.
30 ° (degrees)
Right swivel
Maximum swivel degree of the display to the right of the stand axis.
30 ° (degrees)
Forward/backward tilt
Most displays have the ability to be tilted forward and backward as to provide a more comfortable viewing position for the user.
Yes
Forward tilt
Maximum degree of forward tilting of the display.
5 ° (degrees)
Backward tilt
Maximum degree of backward tilting of the display.
21 ° (degrees)
Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers
The speaker is a device, which converts electrical audio signals into acoustic vibrations resulting in corresponding sounds.
2 x 3 W (watts)
Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

Camera
Information whether the current model has a built-in camera or not.
No
Connectivity

Available connectivity ports, slots and interfaces.

Connectivity
Information about the available connectivity ports, slots and interfaces such as USB, infrared port, SD card slot, audio/video and network interfaces, etc.
2 x HDMI 2.0
Features

Some additional functional features of the model.

Features
Information about additional software features, technologies, functions and services of the model.
3-sided bezeless design
Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licenses
List of the standards, certificates and licenses supported/received by the current model.
ENERGY STAR 8.0
Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature
The operating temperature shows the safe temperature range (from minimum to maximum), within which the display will function flawlessly. Outside this range it might operate improperly and/or fail entirely.
0 °C - 40 °C (degrees Celsius)
Operating humidity
The operating humidity shows the acceptable level of humidity, in which the display will function flawlessly. It sets a lower and an upper humidity level for safe operation and is measured in percentage.
10 % - 80 % (percent)
Operating altitude
The operating altitude shows the maximum admissible altitude, at which the display will function flawlessly. Above this level it might not operate properly and/or might seize to function.
5000 m (meters)
Storage temperature
The storage temperature shows the range from a minimum to a maximum temperature, within which storing of the display is considered to be safe.
-20 °C - 60 °C (degrees Celsius)
Storage humidity
The storage humidity shows the lower and upper humidity limit, which ensures safe storage of the display. Storing it outside these limits might damage the display.
5 % - 90 % (percent)
Storage altitude
The storage altitude shows the maximum possible altitude for secure storing of the display. Storing it above this limit may result in damaging the display.
12192 m (meters)
Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

Accessories
Information about some of the main accessories included in the standard packaging of the current model.
HDMI cable
Additional features

Information about other features.

Additional features
Information about other features of the current model, which are important and have to be specified.
Anti-theft stand lock slot - Kensington

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Dell brand monitors with similar monitor width

Dell 27" AW2721D 596.736 mm (millimeters)
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Dell 27" S2721QS 596.736 mm (millimeters)
Dell 27" S2721Q 596.736 mm (millimeters)
Dell 27" S2721DS 596.736 mm (millimeters)
Dell 27" S2721D 596.736 mm (millimeters)
Dell 27" S2721HGF 596.736 mm (millimeters)
Dell 27" S2721DGF 596.736 mm (millimeters)
Dell 27" U2721DE 596.736 mm (millimeters)
Dell 27" U2720Q 596.736 mm (millimeters)
Dell 27" E2720HS 596.736 mm (millimeters)
Dell 27" P2720D 596.736 mm (millimeters)
Dell 27" P2720DC 596.736 mm (millimeters)
Dell 27" UP2720Q 596.736 mm (millimeters)
Dell 27" UltraSharp U2719DX 596.736 mm (millimeters)

All brands monitors with similar monitor width

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Dell 27" VG272U V 596.736 mm (millimeters)
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Dell 27" XV272U V 596.736 mm (millimeters)
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Dell brand monitors with similar monitor height

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Dell 27" S2721HGF 335.664 mm (millimeters)
Dell 27" S2721DGF 335.664 mm (millimeters)
Dell 27" U2721DE 335.664 mm (millimeters)
Dell 27" U2720Q 335.664 mm (millimeters)
Dell 27" E2720HS 335.664 mm (millimeters)
Dell 27" P2720D 335.664 mm (millimeters)
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Dell 27" S2721QS 55.4 mm (millimeters)
Dell 27" S2721Q 55.4 mm (millimeters)
Dell 27" S2721DS 55.4 mm (millimeters)
Dell 27" S2721D 55.4 mm (millimeters)
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Dell 21.5" GW2283 55.4 mm (millimeters)
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Dell 27" S2721Q 55.4 mm (millimeters)
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Dell 27" S2721D 55.4 mm (millimeters)
Dell 27" S2721QS 4.7 kg (kilograms)
Dell 27" S2721Q 4.7 kg (kilograms)
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Dell 27" S2721Q 4.7 kg (kilograms)
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Dell 27" S2721QS 28 W (watts)
Dell 27" S2721Q 28 W (watts)
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