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Dell Dell U3423WE – Specs & Features Monitor
RATED
Great
7.2/10

34.14″ Dell U3423WE – Specs & Features

The Dell U3423WE is an 3440 x 1440 pixels AH-IPS monitor rated for a 56 Hz - 76 Hz refresh range.

34.14″ · 2.389:1 · MODEL YEAR 2022
Dell●Monitor
Display
34.14 in, AH-IPS, 3440 x 1440 pixels
34.14
Refresh Rate
56 Hz - 76 Hz
56 Hz
Brightness
350 cd/m²
350 cd
Contrast Ratio
2000 : 1
2000

Pros & Cons

Pros
  • 56 Hz 76 Hz refresh range with 5 ms GtG response supports fast-paced use
  • Built-in USB hub adds convenient peripheral connectivity
  • Stand offers 150 mm (5.91 in) height adjustment, swivel
  • 100% sRGB coverage is published for the panel
Cons
  • 76 Hz with a 5 ms response not for gaming
  • USB-C is data only, so no laptop charging
  • No HDR support of any kind listed
  • 2022 model at a still-premium price

Score & Ratings

7.2/10 Great
Design
8
Display
7
Color Performance
7
Performance
5
Connectivity
8
Model Information 8
Specification Value
Brand Dell
Series UltraSharp
Model U3423WE
Model Alias UltraSharp U3423WE
Full Product Name Dell U3423WE
Model Year 2022
Available Colors Platinum Silver
Warranty 3-Year Advanced Exchange Service and Premium Panel Exchange
Display & Panel 11
Specification Value
Screen Size 34.14 in
Exact Diagonal 867.16 mm (34.14 in)
Radius of Curvature 1900R
Aspect Ratio 2.389:1
Active Display Width 800.05 mm (31.50 in)
Active Display Height 335.05 mm (13.19 in)
Screen-to-Body Ratio 91.8%
Panel Type AH-IPS
Backlight Type W-LED
3D Support No
Screen Coating Anti-glare / Matte (3H)

34.1" Display Size (86.7 cm) 21:9

86.7cm 34.1" 80 cm / 31.5" 81.3 cm / 32" (overall unit) 33.5 cm 13.2" 35.9 cm 14.1" (overall)
Resolution & Pixel Details 3
Specification Value
Native Resolution 3440 x 1440 pixels
Pixel Density 109 PPI
Pixel Pitch 0.233 mm (millimeters)

Resolution at a Glance

3440×1440 This screen 8K — 7,680×4,320 4K — 3,840×2,160 FHD — 1,920×1,080 HD — 1,280×720 5 MP — 2.4× the pixels of Full HD
Picture Quality & Color 8
Specification Value
Panel Bit Depth 10 bits
Display Colors 1073.7 million colors (30 bits)
Typical Brightness 350 cd/m²
Static Contrast Ratio 2000 : 1
Horizontal Viewing Angle 178 °
Vertical Viewing Angle 178 °
sRGB Coverage 100%
DCI-P3 Coverage 98%
DESK DISTANCE FIT 65cm
~65 cm desk distance
Wide
63°
CompactIdeal FitWideUltra-Wide

Fills more of your view — great for productivity, may need slight head turns toward the edges.

Refresh Rate, Response & Gaming 2
Specification Value
Refresh Rate Range 56 Hz - 76 Hz
Minimum Response Time 5 ms
Ports & Connectivity 11
Specification Value
HDMI Ports
2
HDMI Version 2.1
DisplayPort Input 1
DisplayPort Version 1.4
USB-C Video Input 1× USB-C
DisplayPort Alt Mode Yes
HDCP Support Yes
USB-C Input 1× USB-C
USB-C Power Delivery 90W
USB-A Ports
5
Audio Output 3.5 mm

Ports & Connections

HDMI2USB-A5USB-CDisplayPortEthernetHeadphoneSpeaker Out10
Audio, Camera, Network & Smart Features 5
Specification Value
Built-In Speakers Yes
Speaker Configuration 2 × 5 W (watts)
Total Speaker Output 10W
Built-In Camera No
Ethernet RJ45
Ergonomics & Stand 12
Specification Value
VESA Mount 100 x 100 mm
VESA Size 100 x 100 mm
Removable Stand Yes
Height Adjustment 150 mm
Height Adjustment Range 150 mm (5.91 in)
Tilt Adjustment Yes
Forward Tilt 5 °
Backward Tilt 21 °
Swivel Adjustment Yes
Left Swivel 30 °
Right Swivel 30 °
Pivot Adjustment No
Dimensions, Weight & Design 7
Specification Value
Dimensions With Stand 813.26 × 392.77 × 237.44 mm
Dimensions Without Stand 813.26 × 359.05 × 57.5 mm
Weight With Stand 11.44 kg (25.22 lbs)
Weight Without Stand 7.72 kg (17.02 lbs)
Stand Width 357.7 mm (14.08 in)
Stand Depth 237.44 mm (9.35 in)
Security Lock Slot Yes
Power & Operating Conditions 15
Specification Value
Power Input 100–240V
110V Input Range 100 V - 120 V
220V Input Range 220 V - 240 V
AC Frequency 50 Hz - 60 Hz
Average Power Consumption 31 W
Maximum Power Consumption 198 W
Sleep Consumption 0.3 W
Off Consumption 0.3 W
Annual Energy Consumption 86.06 kWh
Operating Temperature 0 °C - 40 °C (32 °F - 104 °F)
Operating Humidity 10% – 80%
Operating Altitude 5000 m
Storage Temperature -20 °C - 60 °C (-4 °F - 140 °F)
Storage Humidity 5% - 90%
Storage Altitude 12192 m
Eye Care, Protection & Additional Features 3
Specification Value
Flicker-Free Yes
Low Blue Light Yes
Additional Monitor Features ComfortView; Dell Display Manager; KVM Switch; Picture-by-Picture; Picture-in-Picture
Certifications, Standards & Licenses 5
Specification Value
Energy Star Yes
EPEAT EPEAT Gold
TÜV Flicker-Free TUV Rheinland Flicker Free Certified
TÜV Low Blue Light TUV Rheinland Low Blue Light Certified
RoHS Yes
Included Accessories 3
Specification Value
HDMI Cable Yes
DisplayPort Cable Yes
USB Type-A to Type-B Cable Yes
⚡

Estimated Running Cost

Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.

Daily—
Monthly—
Annually—

Uses about 54% less power than the average we track in this category.

Reviews

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DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT SHEET № U3423WE