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Dell U3821DW UltraSharp 38" Curved USB-C Hub WQHD+ Monitor, Resolution 3840x1600, 60Hz Refresh Rate, 5 ms / 8ms Response Time, USB Hub 3.0, 1 DP, 2 HDMI, Silver | U3821DW

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Description for Dell U3821DW UltraSharp 38" Curved USB-C Hub WQHD+ Monitor, Resolution 3840x1600, 60Hz Refresh Rate, 5 ms / 8ms Response Time, USB Hub 3.0, 1 DP, 2 HDMI, Silver | U3821DW

UltraSharp U3821DW


Take advantage of detailed screen space and ample connections with the U3821DW 37.5" 21:9 Curved IPS Monitor in silver from Dell. Featuring a 37.5" curved In-Plane Switching (IPS) panel, this monitor provides a 3840 x 1600 QHD+ resolution. Take advantage of smooth video performance thanks to an 8 ms (GtG) response time that can be overdriven to 5 ms, plus a 60 Hz refresh rate. A 1000:1 static contrast ratio and support for 1.07 million colors ensure crisp and accurate colors. In addition to low blue light filtering and flicker-free screen technology, the Dell U3821DW features a 300 nits brightness and wide 178° horizontal and vertical viewing angles for eye comfort. Dual 9W speakers provide convenient onboard sound.

Connect via DisplayPort, HDMI, and USB Type-C inputs. When docking a laptop via USB Type-C, the Dell U3821DW delivers up to 90W of power delivery and an RJ-45 port supports wired Ethernet connections. Four USB 3.2 Gen 1 Type-A ports and a Type-C port with up to 15W of power delivery allow you to connect and charge accessories View video feed from two inputs at the same time using Picture-in-Picture (PIP) and Picture-by-Picture (PBP) support. Take advantage of keyboard, video, and mouse (KVM) functionality to control both computers from a single keyboard and mouse. Tilt, swivel, or adjust the height of the stand to find the optimal viewing angle.


Key Features


  • 37.5" In-Plane Switching (IPS) Panel
  • DisplayPort, HDMI & USB Type-C Inputs
  • 3840 x 1600 Resolution
  • 1000:1 Static Contrast Ratio
  • 300 nits Brightness
  • 178°/178° Viewing Angles
  • 5 ms (Overdrive) Response Time
  • 1.07 Billion Colors
  • 60 Hz Refresh Rate
  • Integrated USB Hub & 9W Speakers


USB 3.2 Gen 1
USB 3.2 Gen 1 features a maximum throughput of 5 Gb/s and is synonymous with USB 3.1 Gen 1 and USB 3.0.

More Screen Space to Stay Productive
See all of your work and multitask with plenty of onscreen space thanks to the 37.5" 3840 x 1600 WQHD+ curved screen.

Immersive View
The 2300R curved screen creates a wider field of view, minimizes reflection, and offers near-uniform visual focus for a comfortable panoramic view.

Consistent Color
Get a wide range of colors with 100% sRGB, 100% Rec.709, and 95% DCI-P3 gamut coverage, plus support for 1.07 billion colors.

In-Plane Switching (IPS) Screen Technology
See consistent color and picture quality across wide 178° horizontal and vertical viewing angles.

Out-of-Box Accuracy
The Dell is factory calibrated for accurate colors right from the start.

Onboard Sound
Integrated dual 9W speakers deliver quality sound for an auditory experience that heightens immersion.

Expand your view with virtually borderless InfinityEdge design. With a four-sided, ultrathin bezel, you can work with a clear edge-to-edge display. Use the daisy-chain feature for a seamless multi-monitor setup.

Designed to Dock
With RJ-45 and USB Type-C ports, your monitor serves as a productivity hub that delivers stable Ethernet and up to 90W of power delivery in a clutter-free setup.

Connectivity Options
Connect via DisplayPort, USB Type-C, and HDMI inputs. Use the USB Type-A to B cable to enable the integrated hub. Ports at the front of the monitor allow convenient connection to peripherals and mobile phone charging with up to 15W via USB Type-C.

Multitask Effectively
Connect two computers to the monitor and view content from both sources at the same time with Picture-by-Picture (PBP) and Picture-in-Picture (PIP) features. The intelligent keyboard, video, and mouse (KVM) functionality automatically detects the second connected host and seamlessly switches controls over so you can use both computers with a single keyboard and mouse.

Space-Saving Design
This monitor comes with a small base and an improved cable management design that hides cables in the monitor riser for a clutter-free desk space. Navigate and adjust your monitor screen settings with the easy-to-use joystick control.

Adjust for Comfort
Tilt, swivel and adjust the height of your monitor for optimum positioning and a comfortable workflow.

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

Easy Arrange
Easy Arrange allows you to easily tile multiple applications across one or more screens with 38 preset 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.

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.

Environmental Standards
This monitor meets environmental standards such as ENERGY STAR and TCO and is EPEAT Gold registered.

Eco-Conscious Packaging
To reduce its manufacturing impact on the environment, this monitor is shipped Styrofoam-free and the packaging is made with at least 75% recycled cardboard.

Energy Conservation
Save energy when your monitor is not in use with PowerNap, a feature that dims or puts your monitor to sleep when it's not in use.





Display Size 37.5"
Panel Type IPS-Type LCD
Aspect Ratio 21:9
Resolution 3840 x 1600
Maximum Brightness 300 nits / cd/m²
HDR Compatibility No
Contrast Ratio 1000:1
Response Time 8 ms (GtG), 5 ms (Overdrive)
Refresh Rate 60 Hz
Variable Refresh Technology No
Bit Depth / Color Support 10-Bit (1.07 Billion Colors)
Color Gamut 100% sRGB, 100% Rec. 709, 95% DCI-P3
Viewing Angle (H x V) 178 x 178°
Curvature 2300R
Dot Pitch 0.22908 x 0.22908 mm
Pixels Per Inch (ppi) 110 ppi
Finish Anti-Glare / Matte
Touchscreen Technology No
Hardness Rating 3H
Inputs 1x DisplayPort 1.4, 2x HDMI 2.0
Outputs 1x 1/8" / 3.5 mm
HDCP Support No
USB I/O 1x USB-B 3.0 / 3.1/3.2 Gen 1, 1x USB-C Unspecified Version, 4x USB-A 3.0 / 3.1/3.2 Gen 1
USB Power Delivery 15 W (via USB-C), 90 W (via USB-C)
Ethernet I/O 1x RJ45
Multi-Input Support (PIP/PBP) Picture-in-Picture (PIP), Picture-by-Picture (PBP)
Built-In Speakers Yes, 2x 9 W
Operating Temperature 32 to 104°F / 0 to 40°C
Operating Humidity 10 to 80%
Power Consumption Standby: 0.3 W, Typical: 36.0 W
AC Input Power 120 to 230 VAC, 50 / 60 Hz
Power Adapter Type Internal
Certifications ENERGY STAR, EPEAT, EPEATGOLD, RoHS, TCO Certified
Height Adjustment 4.7" / 11.9 cm
Rotation Adjustment No
Swivel Adjustment 60°
Tilt Adjustment -5 to 21°
Mounting-Hole Pattern 100 x 100 mm
Lock Slot Yes
Dimensions 35.2 x 17.5 x 9.9" / 89.4 x 44.5 x 25.1 cm (with Stand), 35.2 x 15.4 x 4" / 89.4 x 39.1 x 10.2 cm (without Stand)
Weight 19.4 lb / 8.8 kg (without Stand)

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Specifications for Dell U3821DW UltraSharp 38" Curved USB-C Hub WQHD+ Monitor, Resolution 3840x1600, 60Hz Refresh Rate, 5 ms / 8ms Response Time, USB Hub 3.0, 1 DP, 2 HDMI, Silver | U3821DW

  • U3821DW
Microless SKU
  • 89479
Date first available
  • 21 September, 2021
Shipping Weight
  • 19.55 Kg
Shipping Dimensions
  • 22.50 cm x 105.00 cm x 52.01 cm
Screen Size
  • 38 "
Aspect Ratio
  • 21:9
Refresh Rate
  • 60 Hz
  • 3840 x 1600
Panel Type
  • IPS
Response Time
  • 5 ms
  • Yes
  • Yes
Contrast Ratio
  • 1000:1
  • Silver

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Reviews for Dell U3821DW UltraSharp 38" Curved USB-C Hub WQHD+ Monitor, Resolution 3840x1600, 60Hz Refresh Rate, 5 ms / 8ms Response Time, USB Hub 3.0, 1 DP, 2 HDMI, Silver | U3821DW

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  • Ahmed A.
     Verified Purchase

    25 April, 2022
    This monitor is absolutely great for productivity! (attached is an image of what you can do for enhanced productivity.) Also, its size is perfect as it is not too big for your desk, it is highly adjustable (hight, tilt, swivel.) Has different modes of view including standard, comfort, movie, as well as changing color modes (Blue 'cold' or orange 'warm'.) Two issue though, if you plan to set up your apple TV with this monitor (or any other ultrawide) your will not be able to take advantage of the ultra-width, the aspect ratio would work best with 16:9 but with black squares on each side. Second, it does not come with a power brick so you only have one cable for power which can be a good thing but it is somewhat short for me (1.5 meters.) Personally, I'd rather have a longer cable which allows me to set my workplace wherever I want and I can tie the excess with cable ties for example. Other than that, its speakers are very loud I never go above 15 percent (except maybe for Zoom meetings,) it is very bright I never go above 20% percent (except for maybe watching movies .. etc.) It comes with an HDMI, USB-C, Display Port cables in the box and is very easy to install and run. Personally I love the extra USB-A and USB-C ports that come beneath the monitor which would be perfect for peripherals like a mouse or keyboard dongles. One last thing, if you are switching from a 4K monitor like me, you will notice a difference in resolution. Hope this helps anyone who is considering this monitor!