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... contents 6 Product features 8 Identifying parts and controls 9 Front view 9 Back view 10 Bottom view 11 Monitor specifications 13 Resolution specifications 15 Supported video modes 15 Preset display modes 15 Electrical specifications 16 Physical characteristics 17 Environmental characteristics 18 Pin assignments 19 ... USB Type-C 21 USB 3.2 upstream connector 22 USB 3.2 downstream connector 22 USB Type-C connector 23 USB ports 23 RJ45 connector 24 Supported OS 25 LCD monitor quality and pixel policy 25 Maintenance guidelines 26 │3
... contents 6 Product features 8 Identifying parts and controls 9 Front view 9 Back view 10 Bottom view 11 Monitor specifications 13 Resolution specifications 15 Supported video modes 15 Preset display modes 15 Electrical specifications 16 Physical characteristics 17 Environmental characteristics 18 Pin assignments 19 ... USB Type-C 21 USB 3.2 upstream connector 22 USB 3.2 downstream connector 22 USB Type-C connector 23 USB ports 23 RJ45 connector 24 Supported OS 25 LCD monitor quality and pixel policy 25 Maintenance guidelines 26 │3
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... 33 Connecting the super speed USB 5Gbps (USB 3.2 Gen1) cable . . 33 Connecting the monitor for RJ45 Cable (optional 35 Organizing your cables 35 Removing the monitor stand 36 VESA wall mounting (optional 37 Operating the monitor 38 Power on the monitor 38 Using the joystick control 38 Using the On-Screen Display (OSD) menu...
... 33 Connecting the super speed USB 5Gbps (USB 3.2 Gen1) cable . . 33 Connecting the monitor for RJ45 Cable (optional 35 Organizing your cables 35 Removing the monitor stand 36 VESA wall mounting (optional 37 Operating the monitor 38 Power on the monitor 38 Using the joystick control 38 Using the On-Screen Display (OSD) menu...
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For more information, see Contact Dell. Some features may not ship with your monitor NOTE: If you are attaching a stand that were included with the stand. If any other source, follow the setup instructions that you purchased from any component is missing, contact Dell technical support. Display Stand riser Stand base 6 │ About your monitor. NOTE: Some items may be optional and may not be available in the table below. About your monitor Package contents Your monitor ships with the components shown in certain countries.
For more information, see Contact Dell. Some features may not ship with your monitor NOTE: If you are attaching a stand that were included with the stand. If any other source, follow the setup instructions that you purchased from any component is missing, contact Dell technical support. Display Stand riser Stand base 6 │ About your monitor. NOTE: Some items may be optional and may not be available in the table below. About your monitor Package contents Your monitor ships with the components shown in certain countries.
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Power cable (varies by country) DisplayPort cable (DisplayPort to DisplayPort) HDMI cable USB Type-C cable Super speed USB 5Gbps (USB 3.2 Gen1) upstream cable (enables the USB ports on the monitor) • Quick Setup Guide • Factory calibration report • Safety, Environmental, and Regulatory Information About your monitor │ 7
Power cable (varies by country) DisplayPort cable (DisplayPort to DisplayPort) HDMI cable USB Type-C cable Super speed USB 5Gbps (USB 3.2 Gen1) upstream cable (enables the USB ports on the monitor) • Quick Setup Guide • Factory calibration report • Safety, Environmental, and Regulatory Information About your monitor │ 7
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Product features The Dell U3821DW monitor has an active matrix, Thin-Film Transistor (TFT), Liquid ...Tilt, swivel, height, and slant adjustment capabilities. • Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier setup with an elegant viewing experience. • Removable stand and Video Electronics Standards Association (VESA...mode. • The built-in speakers (9 W) x 2. • Optimize eye comfort with an average Delta E < 2; The monitor features include: • 95.29 cm (37.52 in.) viewable area (measured diagonally). 3840 x 1600 (21:9) resolution, plus...
Product features The Dell U3821DW monitor has an active matrix, Thin-Film Transistor (TFT), Liquid ...Tilt, swivel, height, and slant adjustment capabilities. • Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier setup with an elegant viewing experience. • Removable stand and Video Electronics Standards Association (VESA...mode. • The built-in speakers (9 W) x 2. • Optimize eye comfort with an average Delta E < 2; The monitor features include: • 95.29 cm (37.52 in.) viewable area (measured diagonally). 3840 x 1600 (21:9) resolution, plus...
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WARNING: The possible long-term effects of blue light emitted from the monitor may cause damage to optimize eye comfort. ComfortView feature is designed to reduce the amount of blue light emission from the monitor to the eyes, including eye fatigue, digital eye strain, and so on and functioning normally. Identifying parts and controls Front view Label 1 Description Power LED indicator Solid white light indicates that the monitor is turned on . Blinking white light indicates that the monitor is in Standby Mode. About your monitor │ 9
WARNING: The possible long-term effects of blue light emitted from the monitor may cause damage to optimize eye comfort. ComfortView feature is designed to reduce the amount of blue light emission from the monitor to the eyes, including eye fatigue, digital eye strain, and so on and functioning normally. Identifying parts and controls Front view Label 1 Description Power LED indicator Solid white light indicates that the monitor is turned on . Blinking white light indicates that the monitor is in Standby Mode. About your monitor │ 9
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... organize cables by inserting them through the slot. 10 │ About your monitor Use to control the OSD menu. (For more Information, see Operating the monitor) Use to contact Dell for technical support. Releases stand from the monitor. Back view Back view with monitor stand Label 1 2 3 4 5 6 7 Description VESA mounting holes (100 mm x 100 mm - Lists...
... organize cables by inserting them through the slot. 10 │ About your monitor Use to control the OSD menu. (For more Information, see Operating the monitor) Use to contact Dell for technical support. Releases stand from the monitor. Back view Back view with monitor stand Label 1 2 3 4 5 6 7 Description VESA mounting holes (100 mm x 100 mm - Lists...
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... Description 1 Security lock slot 2 Power connector 3 HDMI port (2) 4 Stand lock feature 5 DisplayPort 6 USB Type-C upstream port Use Secures the monitor with a maximum resolution of Windows prior to Windows 10. The super speed USB 5Gbps (USB 3.2 Gen1) Type-C port supports Alternate Mode DP1.4... with security lock (security lock not included). Connect the power cable (shipped with your monitor). NOTE: USB Type-C is not supported on versions of 3840 x 1600 at 60 Hz, PD 20 V/4.5 A, 15 V/3 A, 9 V/3 A, and 5 V/3 A. ...
... Description 1 Security lock slot 2 Power connector 3 HDMI port (2) 4 Stand lock feature 5 DisplayPort 6 USB Type-C upstream port Use Secures the monitor with a maximum resolution of Windows prior to Windows 10. The super speed USB 5Gbps (USB 3.2 Gen1) Type-C port supports Alternate Mode DP1.4... with security lock (security lock not included). Connect the power cable (shipped with your monitor). NOTE: USB Type-C is not supported on versions of 3840 x 1600 at 60 Hz, PD 20 V/4.5 A, 15 V/3 A, 9 V/3 A, and 5 V/3 A. ...
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... Gen1) device. Once this port, you must connect the USB Type-C cable or USB upstream cable (shipped with your monitor) to the USB-upstream port on the monitor and to your computer. 13 Speakers Provides audio output. *Headphone usage is not supported for the audio line out connector. ...when a wireless USB device has been connected to a USB downstream port, it is Type-B upstream port connected, you can use the USB connectors on the monitor. 9 Super speed USB Connect your USB 3.2 Gen1 (5Gbps) 5Gbps (USB 3.2 Gen1) device.** Type-A downstream port (3) NOTE: To use this cable is...
... Gen1) device. Once this port, you must connect the USB Type-C cable or USB upstream cable (shipped with your monitor) to the USB-upstream port on the monitor and to your computer. 13 Speakers Provides audio output. *Headphone usage is not supported for the audio line out connector. ...when a wireless USB device has been connected to a USB downstream port, it is Type-B upstream port connected, you can use the USB connectors on the monitor. 9 Super speed USB Connect your USB 3.2 Gen1 (5Gbps) 5Gbps (USB 3.2 Gen1) device.** Type-A downstream port (3) NOTE: To use this cable is...
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Monitor specifications Model Screen type Panel technology Aspect ratio Viewable image Diagonal Width (active area) Height (active area) Total area Pixel pitch Pixel per inch (PPI) Viewing angle Luminance output Contrast ratio Faceplate coating Backlight Response time Curvature Color depth Color gamut Calibration accuracy U3821DW Active matrix - TFT LCD In-Plane Switching Technology... system 8 ms (Normal) 5 ms (Fast) R2300 (typical) 1.07 billion colors sRGB 100%, Rec 709 100%, DCI-P3 95% sRGB & Rec 709: Delta E < 2 (average) About your monitor │ 13
Monitor specifications Model Screen type Panel technology Aspect ratio Viewable image Diagonal Width (active area) Height (active area) Total area Pixel pitch Pixel per inch (PPI) Viewing angle Luminance output Contrast ratio Faceplate coating Backlight Response time Curvature Color depth Color gamut Calibration accuracy U3821DW Active matrix - TFT LCD In-Plane Switching Technology... system 8 ms (Normal) 5 ms (Fast) R2300 (typical) 1.07 billion colors sRGB 100%, Rec 709 100%, DCI-P3 95% sRGB & Rec 709: Delta E < 2 (average) About your monitor │ 13
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...with charging capability at 15 W (maximum) • 1 x audio line-out port • 1 x RJ45 port Border width (edge of 10.5 mm (Top) monitor to active area) 10.0 mm (Left/Right) 15.3 mm (Bottom) Adjustability Height adjustable stand 120 mm Til t -5° to 21° Swivel -30°... to 30° Slant adjust -4° to 4° NOTE: Do not mount or use this monitor in speakers 2 x 9 W sound output Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) *DisplayPort and USB Type-C ...
...with charging capability at 15 W (maximum) • 1 x audio line-out port • 1 x RJ45 port Border width (edge of 10.5 mm (Top) monitor to active area) 10.0 mm (Left/Right) 15.3 mm (Bottom) Adjustability Height adjustable stand 120 mm Til t -5° to 21° Swivel -30°... to 30° Slant adjust -4° to 4° NOTE: Do not mount or use this monitor in speakers 2 x 9 W sound output Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) *DisplayPort and USB Type-C ...
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...defined in Energy Star 8.0 version. Electrical specifications Model Video input signals AC input voltage/ frequency/current Inrush current Power consumption U3821DW HDMI 2.0*/DisplayPort 1.4**, 600 mV for each differential line, 100 ohm input impedance per differential pair 100 VAC to update such ...information. 16 │ About your monitor VESA, 3840 x 1600* 98.8 60.0 395.0 +/- *Requires a graphics card that supports HDMI 2.0. This document is supported. 1 As defined...
...defined in Energy Star 8.0 version. Electrical specifications Model Video input signals AC input voltage/ frequency/current Inrush current Power consumption U3821DW HDMI 2.0*/DisplayPort 1.4**, 600 mV for each differential line, 100 ohm input impedance per differential pair 100 VAC to update such ...information. 16 │ About your monitor VESA, 3840 x 1600* 98.8 60.0 395.0 +/- *Requires a graphics card that supports HDMI 2.0. This document is supported. 1 As defined...
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...in the market, the type of material, connector and process used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your monitor. Accordingly, the customer should not rely upon this information in the OSD menu. This ...with the video cables that could exceed the ENERGY STAR specified limit. Physical characteristics Model U3821DW Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins • Universal Series Bus: Type-C, 24 pins NOTE: Dell monitors are shipped with your monitor │ 17
...in the market, the type of material, connector and process used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your monitor. Accordingly, the customer should not rely upon this information in the OSD menu. This ...with the video cables that could exceed the ENERGY STAR specified limit. Physical characteristics Model U3821DW Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins • Universal Series Bus: Type-C, 24 pins NOTE: Dell monitors are shipped with your monitor │ 17
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... (non-condensing) Non-operating • Storage: 5% to 90% (non-condensing) • Shipping: 5% to 90% (non-condensing) 18 │ About your monitor no cables) Weight of stand assembly Environmental characteristics 385.0 mm (15.16 in.) 251.2 mm (9.89 in.) 385.0 mm x 247.9 mm (15.16 in .)...19.9 kg (43.78 lb) 13.6 kg (29.98 lb) 8.8 kg (19.40 lb) 4.33 kg (9.55 lb) Model U3821DW Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. EPEAT registration varies by country. • RoHS-compliant • TCO certified displays • BFR/PVC...
... (non-condensing) Non-operating • Storage: 5% to 90% (non-condensing) • Shipping: 5% to 90% (non-condensing) 18 │ About your monitor no cables) Weight of stand assembly Environmental characteristics 385.0 mm (15.16 in.) 251.2 mm (9.89 in.) 385.0 mm x 247.9 mm (15.16 in .)...19.9 kg (43.78 lb) 13.6 kg (29.98 lb) 8.8 kg (19.40 lb) 4.33 kg (9.55 lb) Model U3821DW Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. EPEAT registration varies by country. • RoHS-compliant • TCO certified displays • BFR/PVC...
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Al titude Operating Non-operating Thermal dissipation Pin assignments DisplayPort connector 5000 m (16404 ft) (maximum) 12192 m (40000 ft) (maximum) • 784.8 BTU/hour (maximum) • 124.5 BTU/hour (typical) Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20-pin side of the connected signal cable ML3 (n) GND ML3 (p) ML2 (n) GND ML2 (p) ML1 (n) GND ML1 (p) ML0 (n) GND ML0 (p) GND GND AUX (p) GND AUX (n) Hot Plug Detect About your monitor │ 19
Al titude Operating Non-operating Thermal dissipation Pin assignments DisplayPort connector 5000 m (16404 ft) (maximum) 12192 m (40000 ft) (maximum) • 784.8 BTU/hour (maximum) • 124.5 BTU/hour (typical) Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20-pin side of the connected signal cable ML3 (n) GND ML3 (p) ML2 (n) GND ML2 (p) ML1 (n) GND ML1 (p) ML0 (n) GND ML0 (p) GND GND AUX (p) GND AUX (n) Hot Plug Detect About your monitor │ 19
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19 Re-PWR 20 +3.3 V DP_PWR HDMI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCKCEC Reserved (N.C. on device) DDC CLOCK (SCL) DDC DATA (SDA) DDC/CEC Ground +5 V POWER HOT PLUG DETECT 20 │ About your monitor
19 Re-PWR 20 +3.3 V DP_PWR HDMI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCKCEC Reserved (N.C. on device) DDC CLOCK (SCL) DDC DATA (SDA) DDC/CEC Ground +5 V POWER HOT PLUG DETECT 20 │ About your monitor
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...icon) with compliance devices or normal USB devices. Plug and play capability You can configure itself and optimize the monitor settings. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) ...; Universal Serial Bus (USB) interface This section gives you can select different settings if desired. you information about changing the monitor settings, see Operating the monitor. USB Type-C USB Type-C Video Data Power Delivery (PD) Description DisplayPort 1.4* Super speed USB 5Gbps (USB 3.2 Gen1)...
...icon) with compliance devices or normal USB devices. Plug and play capability You can configure itself and optimize the monitor settings. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) ...; Universal Serial Bus (USB) interface This section gives you can select different settings if desired. you information about changing the monitor settings, see Operating the monitor. USB Type-C USB Type-C Video Data Power Delivery (PD) Description DisplayPort 1.4* Super speed USB 5Gbps (USB 3.2 Gen1)...
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USB 3.2 upstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSTXSSTX+ GND SSRXSSRX+ USB 3.2 downstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND SSTXSSTX+ 22 │ About your monitor
USB 3.2 upstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSTXSSTX+ GND SSRXSSRX+ USB 3.2 downstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND SSTXSSTX+ 22 │ About your monitor
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... USB 5Gbps (USB 3.2 Gen1) functionality requires a super speed USB 5Gbps (USB 3.2 Gen1)-capable computer. About your monitor │ 23 bottom • 4 super speed USB 5Gbps (USB 3.2 Gen1) Type-A downstream - If you turn Off the monitor and then turn it On, the attached peripherals may take a few seconds to 2 A fast-charging capability if... GND TX2+ TX2VBUS CC2 D+ DSBU2 VBUS RX1RX1+ GND USB ports • 1 USB Type-C upstream - bottom • 1 USB Type-C downstream - NOTE: The USB ports on the monitor work only when the monitor is BC1.2 compatible.
... USB 5Gbps (USB 3.2 Gen1) functionality requires a super speed USB 5Gbps (USB 3.2 Gen1)-capable computer. About your monitor │ 23 bottom • 4 super speed USB 5Gbps (USB 3.2 Gen1) Type-A downstream - If you turn Off the monitor and then turn it On, the attached peripherals may take a few seconds to 2 A fast-charging capability if... GND TX2+ TX2VBUS CC2 D+ DSBU2 VBUS RX1RX1+ GND USB ports • 1 USB Type-C upstream - bottom • 1 USB Type-C downstream - NOTE: The USB ports on the monitor work only when the monitor is BC1.2 compatible.
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MDI1+ MDI1- CT CT MDI2+ MDI2- MDI3+ MDI3- Green Orange + - - + + N/A - RJ45 connector Pin number P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 Pin number P11 P12 P13 P14 14-pin side of the connected signal cable MDI0+ MDI0- N/A 24 │ About your monitor
MDI1+ MDI1- CT CT MDI2+ MDI2- MDI3+ MDI3- Green Orange + - - + + N/A - RJ45 connector Pin number P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 Pin number P11 P12 P13 P14 14-pin side of the connected signal cable MDI0+ MDI0- N/A 24 │ About your monitor