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      Dell 34 Curved USB-C Monitor -P3421W

      Focus like never before on this immersive, curved monitor with a WQHD screen, improved cable management and up to 65W of power delivery.
      Estimated Value
      Dell Price $687.99
      You Save $172.00 (20%)
      Free Shipping
      Dell Business Credit As low as $21/mo.^ Apply for credit
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      Manufacturer part 299PJ | Dell part 210-BCEG | Order Code p3421wmsap | Dell

      Your most productive view

      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.
      Stylish redesign. Elevated comfort.

      Stylish redesign. Elevated comfort.

      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 - SB521Ai. 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.

      Comfort without sacrificing color: Optimize eye comfort with a flicker-free screen and ComfortView Plusi — an always on, built-in technology that reduces potentially harmful blue light emissions while delivering excellent color accuracy.

      Convenient connectivity

      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 timei, 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.
      Improved Dell Display Manager

      Improved Dell Display Manager

      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.

      Download Dell Display Manager
      Green thinking: for today and tomorrow

      Green thinking: For today and tomorrow

      Environmental standards: This monitor meets the latest regulatory and environmental standards such as EnergyStar®, EPEAT®i, China Energy Label CEL and CECP.

      Eco-conscious packaging: To reduce our manufacturing impact on the environment, this monitor is shipped Styrofoam-free and the packaging is made of at least 75% recycled cardboard.

      Energy conservation: Save energy when your monitor is not in use with PowerNapi, a feature that dims or puts your monitor to sleep when it’s not in use.

      Advancing 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

      Connectivity Options

      Ports & Slots:
      1. Power connector | 2. HDMI port | 3. DisplayPort | 4. USB-C port | 5. SuperSpeed USB 5 Gbps (USB 3.2 Gen1) upstream port | 6. USB 2.0 downstream port (2) | 7. SuperSpeed USB 5 Gbps (USB 3.2 Gen1) downstream port (2) | 8. Stand lock feature

      Cables Included:
      1. Power cable | 2. DisplayPort cable | 3. HDMI cable | 4. USB-C cable (USB 3.2 Gen1 (5 Gbps)) | 5. USB 3.2 Gen1 (5Gbps) upstream cable


      Complete your experience with accessories designed to make the most of your Dell Monitor.

      Peace of mind, guaranteed

      Our products are engineered with care and precision, so we guarantee support and peace of mind.
      A brand you can rely on
      A brand you can rely on
      As the No. 1 monitor brand worldwide for eight consecutive years (2013 to 2021)i, we take pride in our unyielding commitment to quality and the utmost satisfaction of our customers.
      Premium Panel Exchange
      Premium Panel Exchange
      The Dell Premium Panel Exchange allows a free panel replacement during the Limited Hardware Warrantyi period even if only one bright pixel is found.
      Advanced Exchange Service
      Advanced Exchange Service
      Your monitor comes with a 3-year Advanced Exchange Servicei so that if a replacement becomes necessary, it will be shipped to you the next business day during your 3-year Limited Hardware Warrantyi.
      Dell Single Monitor Arm | MSA20
      Dell Single Monitor Arm | MSA20
      Enjoy a virtually tool-free assembly and easy installation with the Single Monitor Arm. Dell Quick Release lets you snap on this P-series monitor onto the arm simply without toolsi.
      Dell Slim Soundbar | SB521A
      Dell Slim Soundbar | SB521A
      World’s slimmest and lightest soundbari offers exceptional audio clarity and magnetically attaches to Dell monitorsi, offering a clean desk experience
      Dell Multi-Device Wireless Keyboard and Mouse Combo | KM7120W
      Dell Multi-Device Wireless Keyboard and Mouse Combo | KM7120W
      Work seamlessly across three PCs on this compact keyboard and mouse combo that keeps your desk clutter-free and lets you stay productive with up to 36 months of battery life.i

      Quick Specs

      Device Type
      1 x USB Type-C upstream port (Alternate mode with DisplayPort 1.2, Power Delivery PD up to 65 W)
      1 x USB 3.2 Gen1 (5 Gbps) upstream port
      2 x USB 3.2 Gen1 (5 Gbps) downstream port
      2 x USB 2.0 downstream port
      Panel Type
      In-plane switching
      Aspect Ratio
      Native Resolution
      3440 x 1440 at 60 Hz
      Pixel Pitch
      0.2325 mm x 0.2325 mm
      300 cd/m² (typical)
      Contrast Ratio
      1000: 1 (typical)
      Response Time
      8 ms (normal)
      5 ms (Fast) - (gray to gray)
      Color Support
      1.07 billion colors
      Input Connectors
      1 x DisplayPort version 1.2
      1 x HDMI port version 2.0
      1 x USB Type-C upstream port (Alternate mode with DisplayPort 1.2, Power Delivery PD up to 65 W)
      1 x USB 3.2 Gen1 (5 Gbps) upstream port
      2 x USB 3.2 Gen1 (5 Gbps) downstream port
      2 x USB 2.0 downstream port
      Display Position Adjustments
      Tilt (-5° to 21°)
      Swivel (-30° to 30°)
      Screen Coating
      Anti-Glare with Hard- Coating 3H
      Dimensions (WxDxH) - with stand
      32.11 inches x 9.35 inches x 15.40 inches ~ 21.30 inches
      Compliant Standards
      TCO Certified Displays
      Energy Star Compliance (ES8.0)
      GSA/TAA Availability
      EPEAT Gold
      Product Description
      Dell 34 Curved USB-C Monitor - P3421W
      Diagonal Size
      34.14 inches
      14.85 lb


      Display Type
      LED-backlit LCD monitor / TFT active matrix
      Diagonal Size
      Curved Screen
      Yes (3800R)
      Built-in Devices
      USB-C hub, 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/m²
      Contrast Ratio
      1000:1 / 1000:1 (dynamic)
      Color Support
      1.07 billion colors
      Response Time
      8 ms (gray-to-gray normal); 5 ms (gray-to-gray fast)
      Horizontal Viewing Angle
      Vertical Viewing Angle
      Screen Coating
      Anti-glare 3H hardness
      Backlight Technology
      Dimensions (WxDxH)
      32.1 in x 9.3 in x 15.4 in - with stand


      • HDMI
      • DisplayPort (DisplayPort 1.2 mode)
      • USB-C upstream/DisplayPort with Power Delivery (DisplayPort 1.2 mode / 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
      Height Adjustment
      5.9 in


      Cables Included
      • 1 x DisplayPort cable - DisplayPort to DisplayPort
      • 1 x HDMI cable
      • 1 x USB-C cable - 6 ft
      • 1 x USB 3.2 Gen 1 upstream cable
      Compliant Standards
      TAA Compliant


      Input Voltage
      AC 100-240 V (50/60 Hz)
      Power Consumption (On mode)
      31.5 W
      Power Consumption Stand by
      0.3 Watt
      Power Consumption Sleep
      0.3 Watt
      Power Consumption (Off Mode)
      0.2 Watt
      On / Off Switch

      Software / System Requirements

      Included Software
      Dell Display Manager

      Dimensions & Weight

      Dimensions & Weight Details
      • With stand - width: 32.1 in - depth: 9.3 in - height: 15.4 in
      • Without stand - width: 32.1 in - depth: 2.3 in - height: 14.4 in - weight: 14.9 lbs

      Dimensions & Weight (Shipping)

      Shipping Weight
      32.85 lbs

      Environmental Standards

      EPEAT Compliant
      EPEAT Gold
      ENERGY STAR Certified
      ENERGY STAR Version

      Manufacturer Warranty

      Bundled Services
      3-Year Advanced Exchange Service and Premium Panel Exchange

      Environmental Parameters

      Min Operating Temperature
      32 °F
      Max Operating Temperature
      104 °F
      Humidity Range Operating
      10 - 90% (non-condensing)

      Drivers, Manuals & Support

      Drivers, Manuals & Support

      Dell Support

      From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered!

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