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Compare 3 products

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Dell S2721DS Monitor
Dell S2721DS
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Dell S2721QS Monitor
Dell S2721QS
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Dell U2720Q Monitor
Dell U2720Q
Available colors
Editiorial reviews
4
3.6 out of 5
3 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
5
4.1 out of 5
3 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
7
4.1 out of 5
6 user ratings
5 stars
33 %
4 stars
50 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
46
4.1 out of 5
46 user ratings
5 stars
43 %
4 stars
32 %
3 stars
17 %
2 stars
6 %
1 stars
0 %
39
4.3 out of 5
39 user ratings
5 stars
51 %
4 stars
25 %
3 stars
23 %
2 stars
0 %
1 stars
0 %
41
3.8 out of 5
41 user ratings
5 stars
17 %
4 stars
48 %
3 stars
29 %
2 stars
2 %
1 stars
2 %

General

Screen size27.0 in27.0 in27.0 in
Brightness350.0 cd/m²350.0 cd/m²350.0 cd/m²
Aspect ratio16:916:916:9

Design

Colour of productGreyGreyBlack
Panel designFlatFlatFlat
Built-in USB hubnonoyes
Built-in cameranonono
Screen surface
N/A
N/A
Matte

Dimensions

Height adjustment4.33 in4.33 in5.12 in
Height (without stand)14.35 in14.35 in14.02 in
Height with stand20.08 in20.08 in20.68 in
Depth (with stand)6.88 in6.88 in1.96 in
Depth (without stand)2.18 in2.18 in1.96 in
Width (with stand)24.08 in24.08 in24.07 in
Weight0.22 oz0.23 oz0.23 oz

Connectivity

DVI Portnonono
HDMIyesyesyes
HDMI ports quantity221
HDMI version1.42.02.0
Headphone outputnonoyes
DisplayPort version1.21.21.4
HDCP
N/A
N/A
yes
Headphone outputs quantity
N/A
N/A
1

Image properties

Supported graphics resolutions
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1600 x 900
  • 1920 x 1080
  • 2560 x 1440
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1600 x 900
  • 1920 x 1080
  • 2048 x 1280
  • 2560 x 1440
  • 3840 x 2160
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1680 x 1050
  • 1920 x 1080
  • 1920 x 1200
  • 2048 x 1152
  • 2048 x 1280
  • 2560 x 1440
  • 3840 x 2160
Refresh rate75.0 Hz60.0 Hz60.0 Hz
HD typeQuad HD4K Ultra HD4K Ultra HD
Display number of colours16.78 million colours1.07 billion colours1.073 billion colours
Colour gamut (NTSC)72.0 %
N/A
N/A
Display technologyLCDLCDLCD
BacklightW-LEDW-LEDLED
Panel typeIPSIPSIPS
Response time4.0 ms4.0 ms8.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °

Features

Pivot functionyesyesyes
Swivelyesyesyes
Cable lock slotyesyesyes
Flicker freeyesyes
N/A

Compatibility

VESA mountyesyesyes
Type of VESA mount100x100mm100x100mm100x100mm
3D support (3D-Ready)
N/A
N/A
no

Power

Energy efficiency classEGG
Power consumption (standby)0.2 W0.2 W0.3 W
Power consumption (typical)19.0 W28.8 W33.0 W

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