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Compare 4 products

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Asus PQ321QE Monitor
Asus PQ321QE
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Dell U2713HM Monitor
Dell U2713HM
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Eizo RX250 Monitor
Eizo RX250
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HP ZR2740W Monitor
HP ZR2740W
Available colors
Editiorial reviews
4
4.0 out of 5
4 user ratings
5 stars
50 %
4 stars
25 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
12
3.8 out of 5
6 user ratings
5 stars
16 %
4 stars
66 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
12
12 editorial reviews
The HP ZR2740w is an expensive display that's posh and attractive on the outside, but doesn't deliver the goods.Read more
Until cutting-edge UHD (3840×2160) displays hit the mainstream, most enthusiasts have to be content with QHD monitors at 2560x1440 pixels. In the lab today, we have two more 27-inch QHD screens: the ZR2740w from HP and the PB278Q from Asus.Read more
HP ZR2740wRead more
Read editorial reviews
User rating
4
3.5 out of 5
4 user ratings
5 stars
0 %
4 stars
50 %
3 stars
50 %
2 stars
0 %
1 stars
0 %
39
4.2 out of 5
39 user ratings
5 stars
43 %
4 stars
38 %
3 stars
12 %
2 stars
5 %
1 stars
0 %
37
3.9 out of 5
37 user ratings
5 stars
16 %
4 stars
56 %
3 stars
27 %
2 stars
0 %
1 stars
0 %
39
4.1 out of 5
39 user ratings
5 stars
38 %
4 stars
38 %
3 stars
20 %
2 stars
2 %
1 stars
0 %

General

Screen size31.5 in27.0 in21.3 in27.0 in
Brightness350.0 cd/m²350.0 cd/m²
N/A
380.0 cd/m²
Aspect ratio16:916:93:416:9

Design

Colour of productBlack
  • Black
  • Black,Silver
  • Silver
BlackBlack
Panel designFlatFlatFlatFlat
Built-in USB hubnoyesyesyes
Touchscreennono
N/A
no
Built-in cameranononono
Screen surfaceMatteMatte
N/A
Matte
Built-in speakersyesno
N/A
no

Dimensions

Height adjustment5.91 in4.51 in3.54 in3.94 in
Height (min-max)< 489424.3 - 538.9
N/A
440 - 540
Height (without stand)19.25 in16.69 in
N/A
15.43 in
Depth (with stand)10.08 in7.87 in7.87 in9.25 in
Depth (without stand)1.38 in
N/A
N/A
2.68 in
Width (with stand)29.53 in21.23 in14.21 in25.43 in
Weight458.56 oz197.53 oz0.29 oz282.19 oz
Height with stand
N/A
21.22 in18.98 in17.32 in
Weight (without stand)
N/A
12.35 lb
N/A
17.64 lb

Connectivity

Analogue 3.5mm input10
N/A
0
Component input (YPbPr/YCbCr)no
N/A
N/A
N/A
Number of component inputs00
N/A
0
Composite inputno
N/A
N/A
N/A
Number of composite inputs00
N/A
0
DisplayPortyesyes
N/A
yes
DVI Portnoyesyesyes
HDCPyesyes
N/A
yes
HDMInoyesnono
Headphone outputyesno
N/A
no
Microphone inputyes
N/A
N/A
N/A
Headphone outputs quantity1
N/A
N/A
N/A
S-video inputno
N/A
N/A
N/A
Number of s-video inputs00
N/A
0
Thunderboltnono
N/A
no
USB for videonono
N/A
no
VGA innoyes
N/A
no
Number of DisplayPort inputs11
N/A
1
Number of DisplayPort outputs0
N/A
N/A
N/A
DisplayPort version1.21.2
N/A
N/A
Type of DisplayPort connectorStandardStandard
N/A
Standard
Type of USB connector
N/A
  • Type-A
  • Type-B
N/A
N/A
Number of USB 2.0 port
N/A
0
N/A
4
Number of USB 3.0 ports
N/A
4
N/A
N/A
USB connectors (total)
N/A
4
N/A
4
DVI-D ports quantity
N/A
111
HDMI ports quantity
N/A
1
N/A
N/A
Number of HDMI inputs
N/A
1
N/A
N/A
HDMI version
N/A
1.4
N/A
N/A
VGA (D-Sub) ports quantity
N/A
1
N/A
N/A
Ethernet LAN
N/A
no
N/A
no

Image properties

Maximum resolution3840 x 2160 px2560 x 1440 px1200 x 1600 px2560 x 1440 px
Supported graphics resolutions3840x21601600x900
N/A
2560x1440
Refresh rate60.0 Hz60.0 Hz
N/A
60.0 Hz
HD type4K Ultra HDFull HDNot supportedNot supported
Display number of colours1.073 billion colours16.78 million colours16.7 million colours1.073 billion colours
Colour depth (per channel)10.0 bit8.0 bit10.0 bit10.0 bit
Colour gamut (NTSC)80.0 %72.0 %
N/A
72.0 %
Contrast ratio800:11000:11400:11000:1
Display technologyLEDLEDLCDLED
BacklightLEDLED backlightLEDWLED
Panel typeIGZOIPSIPSIPS
Response time (GtG)8.0 ms8.0 ms
N/A
12.0 ms
Response time8.0 ms8.0 ms20.0 ms12.0 ms
Picture-in-Picture (PIP)nono
N/A
no
Pixel size0.01 in0.01 in
N/A
0.01 in
Viewing angle (horizontal)176.0 °178.0 °178.0 °178.0 °
Viewing angle (vertical)176.0 °178.0 °178.0 °178.0 °
Colour gamut (Adobe RGB)
N/A
82.0 %
N/A
N/A
Dynamic contrast ratio
N/A
2000000:1
N/A
2000000:1
Response time (BtW)
N/A
N/A
N/A
14.0 ms

Features

Ascendable and submersibleyesyes
N/A
yes
Pivot functionyesyesyesyes
Swivelyesyesyesyes
Tiltableyesyes
N/A
yes
Memory card readernono
N/A
no
Cable lock slotyesyes
N/A
yes
Wi-Fi
N/A
no
N/A
no
Bluetooth
N/A
no
N/A
no
Plug and Play
N/A
yes
N/A
yes

Compatibility

3D support (3D-Ready)nono
N/A
no
Adaptive synchronizationnono
N/A
no
HDRnononono
VESA mountyesyesyesyes
Type of VESA mount200x200mm
N/A
N/A
100x100mm

Power

Connecting 9V/12V/14VNoneNone
N/A
None
Operational power consumption< 9342 - 100
N/A
95 - 120
Power consumption (standby)1.0 W0.5 W1.0 W2.0 W
Power consumption (typical)93.0 W42.0 W38.0 W120.0 W

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