Skip to main content
      • Place orders quickly and easily
      • View orders and track your shipping status
      • Enjoy members-only rewards and discounts
      • Create and access a list of your products

      Dell UltraSharp USB-C Hub Monitor - U2421E

      Experience vibrant color and reduced harmful blue light emissions with ComfortView Plus. Featuring an RJ45 port for Ethernet connectivity.
      Estimated Value
      Dell Price $449.99
      You Save $110.00 (20%)
      Free Shipping
      Temporarily Out of Stock
      Dell Business Credit As low as $15/mo.^ Apply for credit
      Get up to $13 back in rewards
      Manufacturer part 2XMMJ | Dell part 210-AXMG | Order Code u2421esap | Dell
      The Dell UltraSharp 24 Monitor: U2421E

      It’s hard to look away

      Easy on the eyes: ComfortView Plus is an always-on, built-in low blue light screen that optimizes eye comfort by reducing potentially harmful blue light emissions while delivering excellent color accuracy.i

      Color consistency comes standard: See consistent, vibrant colors across a wide viewing angle enabled by In-Plane Switching (IPS) technology. With 99% sRGB coverage to an accuracy of Delta-E less than 2, you get precise hues right out of the box.

      See more, scroll less: Boost productivity with an extended vertical view on this 24" 16:10 WUXGA (1920 x 1200) display which provides 11% more on-screen real estatei.

      Your productivity hub

      Connect to productivity: With connectivity options like RJ45i and USB-C®, your monitor delivers robust Ethernet and power (up to 90W)—all in a clutter-free setup.

      Quick access: Conveniently placed SuperSpeed USB 5Gbps and USB-C ports located at the front of the monitor allow quick connections to storage devices, mobile phones and other peripherals while enabling up to 15W of power delivery (via USB-C).

      Enhanced manageability: Managing your monitor is easy with MAC Address pass-through, PXE Boot, and Wake-on-LAN conveniently built in.

      Set up for more: DP out connectivity enables a multi-monitor setup by daisy chaining up to three monitors.

      A step forward in design

      Beauty meets function: Masterfully crafted with a premium platinum silver finish, small base and an elegant cable management system that hides cords within the monitor riser.

      Easy to use: Navigate the menu and adjust screen settings with the joystick control. We’ve also given you the option to snap on the Dell Slim Soundbar (SB521A)i and enjoy exceptional sound quality.

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

      Expand your efficiency: Experience a seamless view across multiple monitors with the virtually borderless InfinityEdge design. And, with a dual monitor setup, you can increase your productivity by up to 21%i.

      Green thinking: For today and tomorrow

      Environmental standards: This monitor meets the latest regulatory and environmental standards such as EnergyStar®, EPEAT® Goldi, and TCO certified.

      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 .

      Dell Display Manager

      Productive 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.

      Expanded compatibility: With support for multiple operating systemsi, Dell Display Manager helps you stay productive however you work.

      Connectivity Options

      Ports & Slots:
      1. Security Lock Sloti | 2. Power Connector | 3. HDMI Port | 4. DisplayPort (In) | 5. USB Type-C™/DisplayPort | 6. DisplayPort (Out) | 7. SuperSpeed USB 5Gbps (USB 3.2 Gen1) | 8. Audio Line-Out Porti |9. SuperSpeed USB 5Gbps (USB 3.2 Gen1) | 10. RJ-45 Connector | 11. SuperSpeed USB 5Gbps (USB 3.2 Gen1) | 12. USB Type-C™ Downstream Port | 13. Stand Lock

      Cables Included:
      1. Power Cable | 2. USB-C Cable (C to C) | 3. USB-C Cable (C to A) | 4. DP to DP Cable

      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
      As the No. 1 monitor brand worldwide for seven consecutive years (2013 to 2020)i, we take pride in our unyielding commitment to quality and the utmost satisfaction of our customers.
      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
      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.


      Complete your experience with accessories designed to make the most of your Dell UltraSharp Monitor.
      Dell Dual Monitor Arm | MDA20
      This comprehensive dual monitor and system mounting solution keeps your desk clutter-free. It is the world’s first monitor arm that offers swivel angle adjustment with a flip of the switchi.
      Dell Slim Soundbar | SB521A
      The world’s slimmest and lightest soundbari offers exceptional audio clarity and magnetically attaches to Dell monitorsi, offering a clean desk experience.
      Dell Premier Wireless Keyboard and Mouse | KM717
      Easily switch between three devices using 2.4GHz wireless or Bluetooth LE. Featuring an arc-shaped mouse that works on any surface and a full-sized keyboard, with multi-OS support and popular shortcut keys.

      Quick Specs

      Device Type
      LED-backlit monitor
      Panel Type
      In-Plane Switching
      Aspect Ratio
      Native Resolution
      1920 x 1200 at 60 Hz
      Pixel Pitch
      0.270 mm x 0.270 mm
      350 cd/m² (typical)
      Contrast Ratio
      1000:1 (typical)
      Response Time
      5 ms (gray to gray - Fast mode),
      8 ms (gray to gray - Normal mode)
      Color Support
      16.7 Million
      Input Connectors
      1 x DP 1.4
      1 x HDMI 1 .4
      1 x USB Type-C (Alternate mode with DisplayPort 1.4, USB 3.2 Gen 1 upstream port, Power Delivery PD up to 90 W)
      1 x USB Type-C downstream (15 W), USB 3.2 Gen 1 (5 Gbps)
      1 x DP (Out) with MST
      2 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1)
      1 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1) with BC1.2 charging capability at 2 A (max)
      1 x Analog 2.0 audio line out (3.5 mm jack)
      1 x RJ45
      Display Position Adjustments
      Tilt: 5°/21°
      Swivel: 45°/45°
      PivotYes (clockwise, counter-clockwise, and reverse mount)
      Height 150 mm
      Screen Coating
      Anti-Glare with Hard- Coating 3H
      Dimensions (WxDxH) - with stand
      20.90 in x 6.81 in x 14.33 in
      Compliant Standards
      Energy Star Compliance (ES8.0)
      TCO Certification/Color
      EPEAT Certified- Gold
      Product Description
      Dell UltraSharp USB-C Hub Monitor - U2421E
      Diagonal Size
      24.1 inches
      8.8 lb


      Display Type
      LED-backlit LCD monitor / TFT active matrix
      Diagonal Size
      Viewable Size
      USB Power Delivery
      90 Watt
      Panel Type
      Aspect Ratio
      Native Resolution
      WUXGA 1920 x 1200 at 60 Hz
      Pixel Pitch
      0.27 mm
      Pixel Per Inch
      350 cd/m²
      Contrast Ratio
      1000:1 / 1000:1 (dynamic)
      Color Support
      16.7 million colors
      Response Time
      8 ms (gray-to-gray)
      Vertical Refresh Rate
      49 - 76 Hz
      Horizontal Refresh Rate
      30 - 83 kHz
      Horizontal Viewing Angle
      Vertical Viewing Angle
      Screen Coating
      Anti-glare, 3H Hard Coating
      Backlight Technology
      LED backlight
      Bezel Type
      Flat front
      99% sRGB color gamut, 99% Rec 709 color gamut
      Dimensions (WxDxH)
      20.9 in x 6.8 in x 14.3 in - with stand




      • DisplayPort (DisplayPort 1.4 mode)
      • HDMI (HDCP 1.4)
      • USB-C 3.2 Gen 1 upstream/DisplayPort 1.4 (power up to 90W)
      • USB-C 3.2 Gen 1 downstream (power up to 15W)
      • DisplayPort output (MST)
      • 2 x USB 3.2 Gen 1 downstream
      • USB 3.2 Gen 1 downstream with Battery Charging 1.2
      • Audio line-out (mini-jack)
      • Network (RJ-45)


      Display Position Adjustments
      Height, pivot (rotation), swivel, tilt
      Tilt Angle
      Swivel Angle
      Height Adjustment
      5.9 in
      VESA Mounting Interface
      100 x 100 mm
      Height Adjustment
      150 mm
      VESA Mounting Interface
      100 x 100 mm


      Security lock slot (cable lock sold separately)
      Cables Included
      1 x DisplayPort cable - DisplayPort to DisplayPort
      1 x USB-C cable - USB-C
      1 x USB-C cable - USB Type C to A
      Compliant Standards
      HDCP 1.4
      Security Slot Type
      Kensington security slot


      Voltage Required
      AC 120/230 V (50/60 Hz)
      Power Consumption (On mode)
      14.81 W
      Power Consumption Operational
      30 Watt
      Power Consumption Stand by
      0.5 Watt
      Power Consumption Sleep
      0.3 Watt
      Power Consumption (Off Mode)
      0.3 Watt
      On / Off Switch

      Dimensions & Weight

      Dimensions & Weight Details
      • With stand - width: 20.9 in - depth: 6.8 in - height: 14.3 in
      • Without stand - width: 20.9 in - depth: 2 in - height: 13.4 in - weight: 8.8 lbs

      Dimensions & Weight (Shipping)

      Shipping Weight
      19 lbs

      Environmental Standards

      TCO Certified
      TCO Certified Displays 8
      EPEAT Compliant
      EPEAT Gold
      ENERGY STAR Certified
      ENERGY STAR Version

      Manufacturer Warranty

      Service & Support
      Limited warranty - 3 years - response time: next business day
      Bundled Services
      3 years Advanced Exchange Service

      Environmental Parameters

      Min Operating Temperature
      32 °F
      Max Operating Temperature
      104 °F
      Humidity Range Operating
      10 - 80% (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!

      Compare Products ()

      Add the products you would like to compare, and quickly determine which is best for your needs.

      Add the products you would like to compare, and quickly determine which is best for your needs.