Users Guide
Page 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) interface 21 USB 3.2 upstream connector 22 USB 3.2 downstream connector 22 USB Type-C connector 23 USB ports 23 RJ45 connector 24 Support OS 25 LCD monitor quality and pixel policy 25 Maintenance guidelines 25 Cleaning your...
... 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) interface 21 USB 3.2 upstream connector 22 USB 3.2 downstream connector 22 USB Type-C connector 23 USB ports 23 RJ45 connector 24 Support OS 25 LCD monitor quality and pixel policy 25 Maintenance guidelines 25 Cleaning your...
Users Guide
Page 4
... 32 Connecting the super speed USB 5 Gbps (USB 3.2 Gen1) cable. . 33 Connecting the monitor for RJ45 Cable (Optional 34 Organizing your cables 34 Removing the monitor stand 35 VESA wall mounting (optional 35 Operating the monitor 37 Power on the monitor 37 Using the Joystick Control 37 Using the On-Screen Display (OSD) menu...
... 32 Connecting the super speed USB 5 Gbps (USB 3.2 Gen1) cable. . 33 Connecting the monitor for RJ45 Cable (Optional 34 Organizing your cables 34 Removing the monitor stand 35 VESA wall mounting (optional 35 Operating the monitor 37 Power on the monitor 37 Using the Joystick Control 37 Using the On-Screen Display (OSD) menu...
Users Guide
Page 6
Some features may not ship with your monitor. About your monitor Package contents Your monitor ships with the components shown in certain countries. For more information, see Contact Dell. Display Stand riser Stand base 6 │ About your monitor NOTE: Some items may be optional and may not be available in the table below. NOTE: If you are attaching a stand that you purchased from any component is missing, contact Dell technical support. If any other source, follow the set up instructions that were included with the stand.
Some features may not ship with your monitor. About your monitor Package contents Your monitor ships with the components shown in certain countries. For more information, see Contact Dell. Display Stand riser Stand base 6 │ About your monitor NOTE: Some items may be optional and may not be available in the table below. NOTE: If you are attaching a stand that you purchased from any component is missing, contact Dell technical support. If any other source, follow the set up instructions that were included with the stand.
Users Guide
Page 7
Power cable (varies by country) DisplayPort cable (DP to DP) HDMI cable USB Type-C cable Super speed USB 5 Gbps (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 (DP to DP) HDMI cable USB Type-C cable Super speed USB 5 Gbps (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
Users Guide
Page 8
...system. • On-Screen Display (OSD) adjustments for flexible mounting solutions. • Equipped with an average Delta E < 2; Product features The Dell U3421WE monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. also supports DCI-P3 95%. • Digital .... • Tilt, swivel, height, and slant adjust 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™) 100...
...system. • On-Screen Display (OSD) adjustments for flexible mounting solutions. • Equipped with an average Delta E < 2; Product features The Dell U3421WE monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. also supports DCI-P3 95%. • Digital .... • Tilt, swivel, height, and slant adjust 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™) 100...
Users Guide
Page 9
... 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. Blinking white light indicates that the monitor is in Standby Mode. WARNING: The possible long-term effects of ...blue light emitted from the monitor may cause damage to optimize eye comfort. About your monitor │ 9 • Optimize eye comfort with a flicker-free screen. Identifying parts and controls Front view Label Description 1 Power LED ...
... 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. Blinking white light indicates that the monitor is in Standby Mode. WARNING: The possible long-term effects of ...blue light emitted from the monitor may cause damage to optimize eye comfort. About your monitor │ 9 • Optimize eye comfort with a flicker-free screen. Identifying parts and controls Front view Label Description 1 Power LED ...
Users Guide
Page 10
...to 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. behind attached VESA Cover) Regulatory label Stand release button Barcode,... serial number, and Service Tag label Power On/Off button Joystick Cable-management slot Use Wall mount monitor using VESAcompatible wall mount kit...
...to 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. behind attached VESA Cover) Regulatory label Stand release button Barcode,... serial number, and Service Tag label Power On/Off button Joystick Cable-management slot Use Wall mount monitor using VESAcompatible wall mount kit...
Users Guide
Page 11
To lock the stand to the monitor using a M3 x 6 mm screw (screw not included). Bottom view Bottom view without monitor stand Label Description 1 Security lock slot 2 Power connector 3 HDMI port (2) 4 Stand lock feature 5 DisplayPort Use Secures the monitor with the HDMI cable. Connect your computer with security lock (security lock not included). Connect your computer with your monitor │ 11 About your monitor). Connect the power cable (shipped with the DisplayPort cable.
To lock the stand to the monitor using a M3 x 6 mm screw (screw not included). Bottom view Bottom view without monitor stand Label Description 1 Security lock slot 2 Power connector 3 HDMI port (2) 4 Stand lock feature 5 DisplayPort Use Secures the monitor with the HDMI cable. Connect your computer with security lock (security lock not included). Connect your computer with your monitor │ 11 About your monitor). Connect the power cable (shipped with the DisplayPort cable.
Users Guide
Page 12
...your USB device.** Gbps (USB 3.2 Gen1) Type-A downstream port (3) NOTE: To use this cable is not supported on the monitor and to your computer. 12 │ About your monitor The super speed USB 5 Gbps (USB 3.2 Gen1) Type-C port offers the fastest transfer rate and the alternate mode with your... port or the USB Type- Once this port, you must connect the USB Type-C cable or USB Upstream Cable (shipped with your Gbps (USB 3.2 Gen1) monitor to the computer. B upstream port on versions of 3440 x 1440 at 60 Hz, PD 20 V/4.5 A, 15 V/3 A, 9 V/3 A, 5 V/3 A. This port supports USB ...
...your USB device.** Gbps (USB 3.2 Gen1) Type-A downstream port (3) NOTE: To use this cable is not supported on the monitor and to your computer. 12 │ About your monitor The super speed USB 5 Gbps (USB 3.2 Gen1) Type-C port offers the fastest transfer rate and the alternate mode with your... port or the USB Type- Once this port, you must connect the USB Type-C cable or USB Upstream Cable (shipped with your Gbps (USB 3.2 Gen1) monitor to the computer. B upstream port on versions of 3440 x 1440 at 60 Hz, PD 20 V/4.5 A, 15 V/3 A, 9 V/3 A, 5 V/3 A. This port supports USB ...
Users Guide
Page 13
... USB device has been connected to a USB downstream port, it is NOT recommended to connect any other USB devices to the adjacent port(s). 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 U3421WE Active matrix - TFT LCD In-Plane Switching Technology 21:9 867.2 mm (34.14 in.) 799.8 mm (31.49 in.) 334.8 mm (...
... USB device has been connected to a USB downstream port, it is NOT recommended to connect any other USB devices to the adjacent port(s). 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 U3421WE Active matrix - TFT LCD In-Plane Switching Technology 21:9 867.2 mm (34.14 in.) 799.8 mm (31.49 in.) 334.8 mm (...
Users Guide
Page 14
...; 3 x super speed USB 5 Gbps (USB 3.2 Gen1) downstream port • 1 x audio line-out port • 1 x RJ45 port Border width (edge of 10.4 mm (Top) monitor to active area) 9.7 mm (Left/Right) 13.9 mm (Bottom) Adjustability Height adjustable stand 150 mm Til t -5° to 21° Swivel -30° to 30...° Slant adjust -4° to 4° Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) 14 │ About your...
...; 3 x super speed USB 5 Gbps (USB 3.2 Gen1) downstream port • 1 x audio line-out port • 1 x RJ45 port Border width (edge of 10.4 mm (Top) monitor to active area) 9.7 mm (Left/Right) 13.9 mm (Bottom) Adjustability Height adjustable stand 150 mm Til t -5° to 21° Swivel -30° to 30...° Slant adjust -4° to 4° Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) 14 │ About your...
Users Guide
Page 15
... kHz to 89 kHz (automatic) 48 Hz to 85 Hz (automatic) 3440 x 1440 at 60 Hz Model U3421WE Video display capabilities (HDMI 480p, 480i, 576p, 576i, 720p, 1080p, 1080i & DisplayPort & USB Type-C alternate mode) Preset display modes Display mode Horizontal frequency (kHz) Vertical ....3 59.9 VESA, 1280 x 1024 64.0 60.0 Pixel clock (MHz) 25.2 31.5 28.3 40.0 49.5 65.0 78.8 108.0 71.0 108.0 Sync polarity (Horizontal /Vertical) About your monitor │ 15 *DisplayPort and USB Type-C (Alternate mode with DisplayPort 1.4): HBR3/ DisplayPort 1.4/DP audio is supported.
... kHz to 89 kHz (automatic) 48 Hz to 85 Hz (automatic) 3440 x 1440 at 60 Hz Model U3421WE Video display capabilities (HDMI 480p, 480i, 576p, 576i, 720p, 1080p, 1080i & DisplayPort & USB Type-C alternate mode) Preset display modes Display mode Horizontal frequency (kHz) Vertical ....3 59.9 VESA, 1280 x 1024 64.0 60.0 Pixel clock (MHz) 25.2 31.5 28.3 40.0 49.5 65.0 78.8 108.0 71.0 108.0 Sync polarity (Horizontal /Vertical) About your monitor │ 15 *DisplayPort and USB Type-C (Alternate mode with DisplayPort 1.4): HBR3/ DisplayPort 1.4/DP audio is supported.
Users Guide
Page 16
TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version. 16 │ About your monitor VESA, 3440 x 1440* 88.8 60.0 319.8 +/- * Requires a graphics card that supports HDMI 2.0. VESA, 1280 x 1024 80.0 75.0 135.0 +/+ VESA, 1600 x 1200 75....5 +/+ VESA, 2560 x 1440 88.8 60.0 241.5 +/- Electrical specifications Model Video input signals AC input voltage/ frequency/current Inrush current Power consumption U3421WE HDMI 2.0*/DisplayPort 1.4**, 600 mV for each differential line, 100 ohm input impedance per differential pair 100 VAC to 240 VAC / 50 Hz or 60 ...
TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version. 16 │ About your monitor VESA, 3440 x 1440* 88.8 60.0 319.8 +/- * Requires a graphics card that supports HDMI 2.0. VESA, 1280 x 1024 80.0 75.0 135.0 +/+ VESA, 1600 x 1200 75....5 +/+ VESA, 2560 x 1440 88.8 60.0 241.5 +/- Electrical specifications Model Video input signals AC input voltage/ frequency/current Inrush current Power consumption U3421WE HDMI 2.0*/DisplayPort 1.4**, 600 mV for each differential line, 100 ohm input impedance per differential pair 100 VAC to 240 VAC / 50 Hz or 60 ...
Users Guide
Page 17
No warranty as to work optimally with the video cables that are not shipped with your Dell monitor. As Dell does not have no obligation to manufacture these cables, Dell does not guarantee video performance on the software, components and peripherals you ordered and shall have... upon this information in the OSD menu. Physical characteristics Model U3421WE Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins • Universal Series Bus: Type-C, 24 pins NOTE: Dell monitors are designed to accuracy or completeness is informational only and reflects...
No warranty as to work optimally with the video cables that are not shipped with your Dell monitor. As Dell does not have no obligation to manufacture these cables, Dell does not guarantee video performance on the software, components and peripherals you ordered and shall have... upon this information in the OSD menu. Physical characteristics Model U3421WE Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins • Universal Series Bus: Type-C, 24 pins NOTE: Dell monitors are designed to accuracy or completeness is informational only and reflects...
Users Guide
Page 18
...°C to 60°C (-4°F to 140°F) • Shipping: -20°C to 60°C (-4°F to 140°F) 18 │ About your monitor no cables) Weight of stand assembly Environmental characteristics 57.5 mm (2.26 in.) / 60.2 mm (2.37 in.) 433.3 mm (17.06 in.) 386.5 mm (15....kg (35.93 lb) 11.65 kg (25.68 lb) 7.52 kg (16.57 lb) 3.63 kg (8.00 lb) Model U3421WE Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. Depth Stand dimensions Height (extended) Height (compressed) Width Depth Base Weight Weight with packaging Weight with ...
...°C to 60°C (-4°F to 140°F) • Shipping: -20°C to 60°C (-4°F to 140°F) 18 │ About your monitor no cables) Weight of stand assembly Environmental characteristics 57.5 mm (2.26 in.) / 60.2 mm (2.37 in.) 433.3 mm (17.06 in.) 386.5 mm (15....kg (35.93 lb) 11.65 kg (25.68 lb) 7.52 kg (16.57 lb) 3.63 kg (8.00 lb) Model U3421WE Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. Depth Stand dimensions Height (extended) Height (compressed) Width Depth Base Weight Weight with packaging Weight with ...
Users Guide
Page 19
Humidity Operating Non-operating Al titude Operating Non-operating Thermal dissipation Pin assignments DisplayPort connector 10% to 80% (non-condensing) • Storage: 5% to 90% (non-condensing) • Shipping: 5% to 90% (non-condensing) 5000 m (16404 ft) (maximum) 12192 m (40000 ft) (maximum) • 716.5 BTU/hour (maximum) • 122.8 BTU/hour (typical) Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 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 About your monitor │ 19
Humidity Operating Non-operating Al titude Operating Non-operating Thermal dissipation Pin assignments DisplayPort connector 10% to 80% (non-condensing) • Storage: 5% to 90% (non-condensing) • Shipping: 5% to 90% (non-condensing) 5000 m (16404 ft) (maximum) 12192 m (40000 ft) (maximum) • 716.5 BTU/hour (maximum) • 122.8 BTU/hour (typical) Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 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 About your monitor │ 19
Users Guide
Page 20
on device) DDC CLOCK (SCL) DDC DATA (SDA) DDC/CEC Ground 20 │ About your monitor 15 AUX (p) 16 GND 17 AUX (n) 18 Hot Plug Detect 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 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 20 │ About your monitor 15 AUX (p) 16 GND 17 AUX (n) 18 Hot Plug Detect 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 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.
Users Guide
Page 21
... can configure itself and optimize the monitor settings. you information about changing the monitor settings, see Operating the monitor. The monitor automatically provides the computer system with compliance devices or normal USB devices. Most monitor installations are available on the monitor. Maximum power supported* 4.5 W ...play capability You can select different settings if desired. NOTE: This monitor is supported. Universal Serial Bus (USB) interface This section gives you can install the monitor in any Plug and Play-compatible system. Transfer speed Super-Speed ...
... can configure itself and optimize the monitor settings. you information about changing the monitor settings, see Operating the monitor. The monitor automatically provides the computer system with compliance devices or normal USB devices. Most monitor installations are available on the monitor. Maximum power supported* 4.5 W ...play capability You can select different settings if desired. NOTE: This monitor is supported. Universal Serial Bus (USB) interface This section gives you can install the monitor in any Plug and Play-compatible system. Transfer speed Super-Speed ...
Users Guide
Page 22
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 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND 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 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND 22 │ About your monitor
Users Guide
Page 23
... TX2+ TX2VBUS CC2 D+ DSBU2 VBUS RX1RX1+ GND USB ports • 1 USB Type-C upstream - bottom • 4 super speed USB 5 Gbps (USB 3.2 Gen1) Type-A downstream - About your monitor │ 23 bottom • 1 super speed USB 5 Gbps (USB 3.2 Gen1) Type-B upstream - bottom Power Charging Port -
... TX2+ TX2VBUS CC2 D+ DSBU2 VBUS RX1RX1+ GND USB ports • 1 USB Type-C upstream - bottom • 4 super speed USB 5 Gbps (USB 3.2 Gen1) Type-A downstream - About your monitor │ 23 bottom • 1 super speed USB 5 Gbps (USB 3.2 Gen1) Type-B upstream - bottom Power Charging Port -
