Dell P3421W – LED monitor – curved – 34.14 – 3440 x 1440 WQHD @ 60 Hz – IPS – 300 cd/m – 1000:1 – 5 ms – HDMI DisplayPort USB-C – with 3 years Advanced Exchange Basic Warranty


Out of stock

Productivity that pulls you in
Focus like never before on this immersive, curved monitor with a WQHD screen, improved cable management and up to 65W of power delivery.

Immersive productivity
See more and achieve more at home or in the office on this 34-inch ultrawide WQHD (3440 x 1440) curved screen. With more onscreen space, you can multitask effectively?without the need for a dual monitor setup. Plus, the three-sided, ultra-thin borders let you dive in without distraction.

All-encompassing view
The 3800R screen curvature creates an ultrawide 21:9 field of view, minimizes reflection and offers near uniform visual focus, for a more comfortable visual experience over extended viewing periods.

Unparalleled focus
Focus more on your work at home or in the office with a panoramic view, extended peripheral vision and incredible depth.

Consistent views
Expect seamless, wide viewing angles no matter where you sit, thanks to IPS technology.

Product Brochure Download the PDF file for the Dell 34 Curved USB-C Monitor – P3421W

Designed with you in mind
Navigate the menu and adjust screen settings with the easy-to-use joystick control. We?ve also given you the option to effortlessly snap on the magnetic Dell Slim Soundbar – SB521A1. It?s time to elevate your listening experience.

Beauty meets function This sleek monitor features a small base and an improved cable management design that hides cables in the monitor riser, for a clutter free desk space at your office or home office.

Comfort is key
Tilt, swivel and adjust the height of your monitor to a maximum of 150mm because you should be comfortable however and wherever you work.

Easy on the eyes
Optimize eye comfort with a flicker-free screen and ComfortView2, a feature that reduces harmful blue light emissions.

The power of USB-C
Get up to 65W of power delivery via USB-C, so you can keep your laptop battery full and enjoy uninterrupted productivity. This single-cable solution also saves up to 72% of workspace setup time3, reduces cable clutter and transmits power, data and audio?all at once.

Multitask efficiently
Connect two PCs to the monitor and display the content at the same time with Picture-by-Picture (PbP) and Picture-in-Picture (PiP) features. Use the KVM (keyboard, video and mouse) feature to edit content from two different PCs using a single keyboard and mouse.

Quick convenience
Plug in whatever you need and keep it in reach with the two, SuperSpeed USB 5Gbps (USB 3.2 Gen1) quick access ports.

Productivity at every level
Easy Arrange allows you to easily tile multiple applications across one or more screens with 38 pre-set window partitions and the ability to personalize up to five windows, giving you improved multitasking abilities.

Seamless transitions
The auto-restore feature remembers where you left off, so applications will go back to where you left them, even after you?ve unplugged.

More ways to manage
Asset management reports allow IT managers to quickly capture and track monitor information as well as configure multiple monitors at once through a single setup.

The key to convenience
Shortcut keys can save you even more time, letting you easily configure your display management settings so you can get to work faster.


Display Type
LED-backlit LCD monitor / TFT active matrix

Diagonal Size

Curved Screen
Yes (3800R)

Built-in Devices
KVM Switch, USB 3.2 Gen 1 hub

USB Power Delivery
65 Watt

Panel Type

Aspect Ratio

Native Resolution
WQHD 3440 x 1440 at 60 Hz

Pixel Pitch
0.2325 mm

Pixel Per Inch

300 cd/m

Contrast Ratio

Colour Support
1.07 billion colours

Response Time
8 ms (grey-to-grey normal); 5 ms (grey-to-grey fast)

Vertical Refresh Rate
48 – 85 Hz

Horizontal Refresh Rate
30 – 85 kHz

Horizontal Viewing Angle

Vertical Viewing Angle

Screen Coating
Anti-glare, 3H Hard Coating

Backlight Technology

99% sRGB colour gamut, Flicker Free technology, Dell Easy Arrange, Dell ComfortView, Picture-in-Picture, Picture-by-Picture, 8-bit + A-FRC Colour Depth, 3-sided bezeless, Dell ComfortView Plus


Weight & Dimensions (WxDxH)
81.57 cm x 23.74 cm x 39.11 cm – with stand (lowest position)
10.8 kg

DisplayPort (DisplayPort 1.2 mode, HDCP 2.3)
USB-C upstream/DisplayPort with Power Delivery (power up to 65W)
USB 3.2 Gen 1 upstream
2 x USB 3.2 Gen 1 downstream
2 x USB 2.0 downstream


Display Position Adjustments
Height, swivel, tilt

Tilt Angle

Swivel Angle
-30°to 30°

Height Adjustment
150 mm


VESA interface support, security lock

Cables Included
1 x DisplayPort cable – DisplayPort to DisplayPort
1 x HDMI cable
1 x USB-C cable – 1.8 m
1 x USB 3.2 Gen 1 upstream cable


Input Voltage
AC 100-240 V (50/60 Hz)

Power Consumption (On mode)
31.5 W

Power Consumption (Max)
126 Watt

Power Consumption Stand by
0.3 Watt

Power Consumption (Off Mode)
0.2 Watt

Environmental Parameters

Min Operating Temperature
0 °C

Max Operating Temperature
40 °C

Humidity Range Operating
10 – 90% (non-condensing)

Monitor Installation


Setup and install onsite (LS22 & LS23 Only).

Out of stock