Display: 31.5 in, VA, W-LED, 3840 x 2160 pixels

Viewing angles (H/V): 178 ° / 178 °

Brightness: 300 cd/m²

Static contrast: 3000 : 1

Refresh rate: 40 Hz - 60 Hz

sRGB: 99 %,

Adobe RGB: 80 %

Dimensions: 709.2 x 424.8 x 64 mm

Weight: 7.4 kg

Brand, series, model

Information about the brand, series, model and model aliases.
BrandDell
ModelS3221QS
Model year2020

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
Size class31.5 in (inches)
Diagonal800.1 mm (millimeters)
80.01 cm (centimeters)
31.5 in (inches)
2.625 ft (feet)
Width697.31 mm (millimeters)
69.731 cm (centimeters)
27.4531 in (inches)
2.2878 ft (feet)
Height392.26 mm (millimeters)
39.226 cm (centimeters)
15.4433 in (inches)
1.2869 ft (feet)
Radius of curvature1800 mm (millimeters)
180 cm (centimeters)
70.8661 in (inches)
5.9055 ft (feet)
Panel typeVA
Panel bit depth10 bits
Colors1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.182 mm (millimeters)
0.0182 cm (centimeters)
0.0071 in (inches)
0.0006 ft (feet)
Pixel density140 ppi (pixels per inch)
55 ppcm (pixels per centimeter)
Display area90.79 % (percent)
BacklightW-LED
sRGB99 % (percent)
Adobe RGB (1998)80 % (percent)
DCI P390 % (percent)
Brightness300 cd/m² (candela per square meter)
Peak brightness370 cd/m² (candela per square meter)
Static contrast3000 : 1
Horizontal viewing angle178 ° (degrees)
Vertical viewing angle178 ° (degrees)
Minimum response time4 ms (milliseconds)
0.0040 s (seconds)
Average response time8 ms (milliseconds)
0.0080 s (seconds)
CoatingAnti-glare/Matte (3H)

3D

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

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.
Horizontal frequency (digital)29 kHz - 140 kHz (kilohertz)
Vertical frequency (digital)40 Hz - 60 Hz (hertz)

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.
110V100 V - 120 V (volts)
220V220 V - 240 V (volts)
Alternating current frequency50 Hz - 60 Hz (hertz)
Power consumption (off)0.3 W (watts)
Power consumption (sleep)0.3 W (watts)
Power consumption (average)38 W (watts)
Power consumption (maximum)91 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.
Width709.2 mm (millimeters)
70.92 cm (centimeters)
27.9213 in (inches)
2.3268 ft (feet)
Height424.8 mm (millimeters)
42.48 cm (centimeters)
16.7244 in (inches)
1.3937 ft (feet)
Depth64 mm (millimeters)
6.4 cm (centimeters)
2.5197 in (inches)
0.21 ft (feet)
Weight7.4 kg (kilograms)
16.31 lbs (pounds)
Width with stand709.2 mm (millimeters)
70.92 cm (centimeters)
27.9213 in (inches)
2.3268 ft (feet)
Height with stand448.1 mm (millimeters)
44.81 cm (centimeters)
17.6417 in (inches)
1.4701 ft (feet)
Depth with stand207 mm (millimeters)
20.7 cm (centimeters)
8.1496 in (inches)
0.6791 ft (feet)
Weight with stand10.9 kg (kilograms)
24.03 lbs (pounds)
Box weight15.2 kg (kilograms)
33.51 lbs (pounds)
ColorsSilver

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
VESA mountYes
VESA interface100 x 100 mm
Removable standYes
Height adjustmentYes
Height adjustment range70 mm (millimeters)
7 cm (centimeters)
2.7559 in (inches)
0.2297 ft (feet)
Landscape/portrait pivotNo
Left/right swivelNo
Forward/backward tiltYes
Forward tilt5 ° (degrees)
Backward tilt21 ° (degrees)
Stand width - 302 mm
Stand depth - 207 mm

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.
Speakers2 x 5 W (watts)

Camera

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

Connectivity

Available connectivity ports, slots and interfaces.
Connectivity1 x USB 3.0 (Type-B; upstream)
2 x USB 3.0 (Type-A; downstream)
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 2.2

Features

Some additional functional features of the model.
Features3-sided bezeless design
AMD FreeSync technology
Flicker-free technology
Low Blue Light

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.
Certificates, standards and licensesENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light

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 temperature0 °C - 40 °C (degrees Celsius)
32 °F - 104 °F (degrees Fahrenheit)
Operating humidity10 % - 80 % (percent)
Operating altitude5000 m (meters)
16404.2 ft (feet)
Storage temperature-20 °C - 60 °C (degrees Celsius)
-4 °F - 140 °F (degrees Fahrenheit)
Storage humidity5 % - 90 % (percent)
Storage altitude12192 m (meters)
40000 ft (feet)

Accessories

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

Additional features

Information about other features.
Additional featuresAnti-theft stand lock slot - Kensington