Dell Ultrasharp 40 Curved Wuhd Monitor-U4021QW

Dell DELL-U4021QWA

UltraSharp Model U4021QW

Manufacturer Part#  DELL-U4021QWA

UPC Code: 884116417255

Provantage Code:  DELLF9R

Condition:  Factory New

  • Product Type: LCD Monitor
  • Brightness: 300 Nit
  • Maximum Resolution: 5120 x 2160
  • Viewable Screen Size: 39.7"
  • Aspect Ratio: 21:9

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Dell DELL-U4021QWA Specifications

    Ultrasharp 40 Curved Wuhd Monitor-U4021QW


    Give your visuals power | More screen to captivate you: Stay on task with immersive productivity on the world's first 40-inch curved ultrawide WUHD 5K2K monitor. With 35% more onscreen space than a 32-inch 4K 16:9 screen, you have room to view all of your work at once.

    A view that draws you in: The 2500R curved screen creates a wider field of view, minimizes reflection and offers near uniform visual focus, for a comfortable, panoramic, wrap-around view.

    Unmatched clarity: Across that additional screen space, you'll see fine, intricate details with ultra high 5120 x 2160 resolution and a 140 ppi pixel density.

    Consistent, vibrant colors: Expect consistent color and picture quality across a wide viewing angle, with IPS technology. See true-to-life color with an incredible color depth of 1.07 billion colors and wide color coverage across industry standards, including 100% sRGB, 100% Rec. 709 and 98% DCI-P3. DCI-P3 (which offers nearly 25% more coverage than sRGB), enables a wider range of colors and is quickly becoming the color standard for creating and viewing content.

    All-encompassing sound: Integrated dual 9W speakers deliver quality sound for an auditory experience that pulls you in even further.

    Your productivity hub | Connect to productivity: With Thunderbolt™ 3 and RJ45, this monitor serves as a productivity hub that delivers stable Ethernet and up to 90W of power delivery-all in a clutter-free setup.

    Lightning speed: Thunderbolt™ 3 delivers speeds of up to 40Gbps, creating one compact port that does it all-delivering the fastest and most versatile connection to any dock, display or data peripheral.

    Extensive connectivity: Easily connect to a variety of devices with extensive connectivity options, including Thunderbolt™ 3, DP1.4, HDMI and super speed USB 10Gbps. Plus, quick-access USB-C® and super speed USB 10Gbpsi ports conveniently located at the front, enable fast connection to peripherals, such as storage devices and mobile phones, with up to 15W charging capability (via USB-C).

    Enhanced manageability: MAC Address pass-through, PXE Boot, and Wake-on-LAN are conveniently built in.

    Multitask efficiently: Effortlessly connect two PC sources to your monitor. Our intelligent Auto KVM feature detects the second connected PC and seamlessly switches controls over. View content from both PC sources with Picture-by-Picture (PbP) and Picture-in-Picture (PiP), and use KVM (keyboard, video and mouse) to control both PCs with a single keyboard and mouse.

    Masterful design | Easy on the eyes: Experience vibrant color that's easy on your eyes with ComfortView Plus, an always-on, built-in low blue light screen that reduces harmful blue light emissions while delivering excellent color performance.

    Beauty meets function: Crafted with a premium, platinum silver finish, this stylish monitor features a compact base and a hidden cable management design that runs the cables through the monitor riser for a clutter-free setup. Plus, you can navigate the menu and adjust screen settings with the easy-to-use joystick control.

    Comfort is key: Tilt, swivel and adjust the height of your monitor because you should be comfortable however and wherever you work.


    Rear View

    sRGB  –  3H Surface Hardness  –  Anti-glare  –  Security Lock  –  Stand Lock  –  ComfortView Plus  –  Picture in Picture  –  Picture by Picture  –  Low Blue Light  –  Flicker-free  –  Wide Viewing Angle  –  Cable Management  –  PowerNap

Environmental Certification


    TCO Certified Displays

    EPEAT Gold

Package Contents

    • UltraSharp U4021QW Widescreen LCD Monitor
    • Power Cable
    • 1 x DisplayPort Cable - DisplayPort to DisplayPort - 6 ft
    • 1 x USB 3.2 Gen 1 Upstream Cable - USB Type A to B - 6 ft
    • 1 x HDMI Cable - 6 ft
    • 1 x Thunderbolt 4 Active Cable - USB-C


Product NameUltrasharp 40 Curved Wuhd Monitor-U4021QW
Manufacturer Part NumberDELL-U4021QWA
Product TypeLCD Monitor
Number of Screens1
Environmentally FriendlyYes
Standard Refresh Rate60 Hz
Backlight TechnologyLED
VESA Mount CompatibleYes
Network (RJ-45)Yes
Product FamilyUltraSharp
Panel TechnologyIn-plane Switching (IPS) Technology
Curved ScreenYes
Adjustable Stand HeightYes
Energy StarYes
Screen Size Class40"
Product ColorBlack


Stand AdjustmentsHeight



TCO CertifiedYes
Brightness300 Nit
Screen Mode5K2K WUHD
Color Supported1.07 Billion Colors
Viewable Screen Size39.7"
Maximum Resolution5120 x 2160
Aspect Ratio21:9
Pixel Pitch7.1 mil
Response Time5 ms GTG (Fast)
Built-in DevicesUSB Hub
HDCP SupportedYes
Horizontal Viewing Angle178°
Vertical Viewing Angle178°
Number of Speakers2
Weight with Stand (Approximate)31.75 lb
Operating Power Consumption240 W
Standby Power Consumption300 mW
Native Contrast Ratio1,000:1
Height with Stand18"
Width with Stand37.30"
Depth with Stand9.80"
Number of USB Ports6
Off-Mode Power Consumption300 mW
Number of HDMI Inputs2
Number of DisplayPorts1
USB Type-CYes
Color Gamut100% sRGB

100% Rec. 709

98% DCI-P3

Number of USB Type-C Ports1
Number of USB Type-B Upstream Ports1


Product ModelU4021QW
Product LineUltraSharp
Limited Warranty3 Year
Total Number of USB Type-C Ports1
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Dell UltraSharp Model U4021QW DELL-U4021QWA