Beauty in the way you work
Immerse yourself in deep blacks, vivid colors and effortless productivityon this 34” curved WQHD (3440 x 1440) monitor.
All-encompassing experience
Exceptional contrast:Experience superior black and consistent grey performance with exceptional contrast (2000:1) across a wide viewing angle with IPS Black technology.
Immersive design:This ultra wide, curved screen improves your field of view, reduces reflections and creates a near-uniform visual focus.
Built-in speakers:Deliver clear audio with integrated dual 5W speakers.
Brilliant color:See your work in vibrant, consistent colors across a wide viewing angle with a color depth of 1.07 billion colors and wide color coverage—98% of the DCI-P3 color space (99% sRGB).
Enhanced eye comfort:ComfortView Plus—an always-on, built-in low blue light screen—reduces potentially harmful blue light emissions without compromising color.
Your hub for connectivity
Jumpstart productivity: Wake up and switch on your laptop with the power sync feature.Enhanced connectivity: Streamline your workspace with extensive connectivity ports including USB-C (up to 90W power delivery), RJ45 (Ethernet), DP1.4, and HDMI. Quick Access USB-C (up to 15W of power charging) and super speed USB 10Gbps ports enable easy connections and fast data transfers.
Multitask better: Connect to two PC sources and Auto KVM (keyboard, video, mouse) will seamlessly switch controls over to the second connected PC. Use KVM feature to control both PCs with a single keyboard and mouse. The KVM wizard makes setup a breeze.
See more on one screen: View content from two PC sources with Picture-in-Picture (PiP) and Picture-by-Picture (PbP).
Uninterrupted connection
RJ45 (Ethernet) lock to PC gives you the flexibility to lock the wired Ethernet to a chosen PC while continuing to work from dual PC inputs.
Improved Dell Display Manager
Modern Intuitive User Interface: New modern user interface for ease of use and personalization of features with Menu launcher.
Productive at every level: Easy Arrange allows you to easily tile multiple applications across one or more screens with 49 pre-set window partitions and the ability to personalize up to five windows, giving you improved multitasking abilities.
Stay updated: Get automatic notification anytime for new updates on monitor firmware and software.
Optimize front of screen experience:Get uniform color experience from your monitor seamlessly by matching the color preset of the monitor and the supported ICC profile.
Easy setup and sharing of accessories:Setup a single keyboard and mouse to be shared easily between multiple PCs with USB KVM wizard. Quick access menu or hotkey allow convenient fast switching between PCs.
Easy deployment: DDM is compatible with management tools such as SCCM, InTune and Command Line Interface scripts for easy IT integration and deployment with asset management.
Style meets function
Designed with purpose: With a premium platinum finish, a three-sided ultrathin bezel design, a small base and an elegant cable management system made to reduce clutter, it’s the monitor built to match any workspace.
Easy to use: Navigate the menu and adjust screen settings with a conveniently-placed joystick control.
Built for comfort: Tilt, swivel, slant and adjust the height of your monitor, so you can work however you’re most comfortable.
Green thinking for today and tomorrow
Environmental standards: This monitor uses 85% PCR (Post-consumer Recyclable) plastic in the design, 90% recycled aluminum and meets the latest environmental standards, such as EnergyStar® and TCO Certified Edge and is registered EPEAT® Gold.
Eco-conscious packaging: Designed with the environment in mind, Dell commercial monitors come in 100% recyclable cardboard packaging.
Energy conservation: Save energy when your monitor’s not in use with PowerNap, a feature that dims or puts your monitor to sleep when it’s not in use.
Advanced sustainability: Dell Technologies is committed to reducing environmental impact throughout the product lifecycle. Read more about our commitment to sustainability and our 2030 Social Impact goals here, and our product’s carbon footprint here.
Connectivity Options
Ports & Slots
1.Security lock slot (based on Kensington Security Slot™ )
2. Power connector
3. HDMI port (2)
4. Stand lock feature
5.DisplayPort
6. Type-C upstream port (video and data) Super speed USB 10 Gbps (USB 3.2 Gen2)
7. Audio line-out port
8. Type-C upstream port (data only) Super speed USB 10 Gbps (USB 3.2 Gen2)
9. Type-A downstream port (4) Super speed USB 10 Gbps (USB 3.2 Gen2)
10. RJ45 port
11. Type-A downstream port with Power Charging. Super speed USB 10 Gbps (USB 3.2 Gen2)
12. Type-C downstream port. Super speed USB 10 Gbps (USB 3.2 Gen2)
13. Speakers
Cables Included
1. Power cable
2. DisplayPort 1.8 M cable (DisplayPort to DisplayPort)
3. HDMI 1.80 M cable
4. USB-A to USB-C Gen2 cable 1.0 M (A to C)
5. Type-C 1.0 M cable (C to C)
Tech Specs
General
Display Type
Active matrix - TFT LCD
Energy Class
Class F
Diagonal Size
34.14"
Curved Screen
Yes
Built-in Devices
KVM Switch, USB 3.2 Gen 2/USB-C hub
USB Power Delivery
90 Watt
Panel Type
IPS Black
Aspect Ratio
21:9
Native Resolution
WQHD 3440 x 1440 at 60 Hz
Pixel Pitch
0.2325 mm
Pixel Per Inch
109
Brightness
300 cd/m²
Contrast Ratio
2,000:1
Colour Support
1.07 billion colours
Colour Gamut
DCI-P3 98%, Display P3 98%, sRGB 100%, Rec 709 100%
Response Time
5 ms (grey-to-grey fast), 8 ms (grey-to-grey normal)
Horizontal Viewing Angle
178°
Vertical Viewing Angle
178°
Screen Coating
Anti-glare 3H hardness
Backlight Technology
WLED edgelight backlight
Features
Mercury free, arsenic-free glass, Delta E<2 calibration, 3-sided bezeless, Dell ComfortView Plus
Dimensions (WxDxH)
81.326 cm x 23.744 cm x 39.277 cm - with stand (lowest position)
Weight
11.44 kg
Audio
Type
Speakers
Output Power / Channel
2 x 5W
Connectivity
Interfaces
- 1 x DisplayPort version 1.4 (HDCP2.2)
- 2 x HDMI port version 2.1 (TMDS) (HDCP2.2)
- 1 x USB Type-C upstream port (video and data) (Alternate mode with DisplayPort 1.4, Power Delivery PD up to 90 W)
- 1 x USB-C upstream port (data only, 10 Gbps USB 3.2 Gen2)
- 4 x super speed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream port
- 1 x super speed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port with charging capability at 15 W (maximum)
- 1 x super speed USB 10 Gbps (USB 3.2 Gen2) Type-A with BC1.2 charging capability at 2 A (maximum)
- 1 x Audio line-out port
- 1 x RJ45 port
Mechanical
Display Position Adjustments
Height, pivot (rotation), swivel, tilt
Tilt Angle
-5°/+21°
Swivel Angle
-30°/+30°
Height Adjustment
150 mm
VESA Mounting Interface
100 x 100 mm
Miscellaneous
Features
Security lock slot (cable lock sold separately), VESA interface support, anti-theft stand lock slot
Cables Included
- 1 x DisplayPort cable - DisplayPort to DisplayPort - 1.8 m
- 1 x USB-C to USB-C cable - 1 m
- 1 x HDMI cable - 1.8 m
- 1 x USB cable - USB Type A to C - 1 m
Compliant Standards
BFR-free, PVC-free
Power
Input Voltage
AC 100-240 V (50/60 Hz)
Power Consumption (On mode)
31 W
Power Consumption (Typical)
198 Watt
Power Consumption Stand by
0.3 Watt
Power Consumption (Off Mode)
0.3 Watt
On / Off Switch
Yes
Dimensions & Weight
Dimensions & Weight Details
- With stand (lowest position) - width: 81.326 cm - depth: 23.744 cm - height: 39.277 cm - weight: 11.44 kg
- With stand (highest position) - width: 81.326 cm - depth: 23.744 cm - height: 54.277 cm - weight: 11.44 kg
- Without stand - width: 81.326 cm - depth: 5.75 cm - height: 35.905 cm - weight: 7.72 kg
Dimensions & Weight (Shipping)
Shipping Weight
15.65 kg
Environmental Standards
EPEAT Compliant
EPEAT Gold
ENERGY STAR Certified
Yes
Manufacturer Warranty
Service & Support
Limited warranty - 3 years - response time: next business day
Bundled Services
3-Year Advanced Exchange Service and Premium Panel Exchange
Environmental Parameters
Min Operating Temperature
0 °C
Max Operating Temperature
40 °C
Humidity Range Operating
10 - 80% (non-condensing)
Awards & Reviews
Best curved monitors: Dell UltraSharp 34 Curved USB-C Hub Monitor - U3423WE
"Editor's choice." — XDA Developers
Dell UltraSharp 34 Curved USB-C Hub Monitor - U3423WE: Recommended Award
"An impressive multitasking experience and respectable display quality." — Windows Central
Dell UltraSharp 34 Curved USB-C Hub Monitor - U3423WE: TechRadar Recommends Award
"A beautiful 34-inch curved display that is fantastic for multitasking, business use, and professional desks." — TechRadar
Dell UltraSharp 34 Curved USB-C Hub Monitor - U3423WE: Highly Rated
"A fantastic widescreen display for productivity buffs, photographers, and videographers." — Techaeris
Dell UltraSharp 34 Curved USB-C Hub Monitor - U3423WE: Recommended Award
"You should absolutely buy the Dell UltraSharp 34 U3421WE curved monitor if you need the best for increased productivity and multitasking." — XDA Developers
Dell UltraSharp U3423WE: Recommended
"An excellent choice if you want a high-quality display for your workstation at home or in the office."— Monitor Nerds
Drivers, Manuals & Support
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