Display
42.51 in, IPS, 3840 x 2160 pixels
42.51
Refresh Rate
29 Hz - 76 Hz
29 Hz
Brightness
350 cd/m²
350 cd
Contrast Ratio
1000 : 1
1000
Overview
The Dell U4323QE pairs an IPS panel with a 3840 x 2160 pixels resolution and a 29 Hz - 76 Hz refresh range. For picture quality, expect 350 cd/m² typical brightness, 1000 : 1 contrast and 95% sRGB coverage. Response time is quoted at 5 ms GtG. On connectivity, you get 2x HDMI 2.1, 2x DisplayPort 1.4, 5x USB-A. Independent research on this model adds one useful note: Panel: IPS, 4K UHD 3840x2160 @60Hz, 350 cd/m², 1000:1 contrast, 5ms.
BrandDellPanel TypeIPSResolution3840 x 2160 pixelsRefresh Rate29 Hz - 76 Hz
Key Highlights
- Dell U4323QE speed | 29 Hz - 76 Hz refresh with 5 ms GtG response
- Dell U4323QE hub | 5 USB-A downstream ports
- Dell U4323QE image | 350 cd/m² brightness and 1000 : 1 contrast
Who Should Buy the Dell U4323QE
+ Best For
Multi-machine desks
KVM plus Picture-by-Picture across 42.5 inches
Window-heavy workflows
four quadrants of usable space
Laptop docking
90 W USB-C carries video, data and charging
Meeting rooms
16 W of built-in audio
× Not Ideal For
Anyone who needs to adjust it
60 mm height and -5 to +1 degrees of tilt
Gaming
76 Hz with a 5 ms response and no variable refresh
Small desks
967 mm wide and 18.55 kg with the stand
Sharpness seekers
103 PPI is modest for a 4K panel
Display Performance
Refresh Rate
29 Hz - 76 Hz
Standard refresh range
Response Time
5 ms GtG
Manufacturer-published transition time
Brightness
350 cd/m²
Typical brightness as specified; peak figure not published
Contrast
1000 : 1
Standard panel black depth
Colour Gamut
95% sRGB
Standard game and web colour
Gaming Performance
Refresh Rate29 Hz - 76 HzMatch frame rate to the monitor’s useful range
Response Time5 ms (GtG)Published claim without independent testing
GPU Requirement3840 x 2160 pixels up to 76 HzEntry-to-mid-range GPU is generally sufficient
HDR & Brightness Reality
No HDR tier is listed for this monitor, which is consistent with what it is: a 350 cd/m2 IPS panel at 1000:1 contrast, built for spreadsheets and windows rather than films. Dell could have added a DisplayHDR 400 badge and changed nothing about the experience. The panel's real strengths are its size, its KVM and its 90 W USB-C dock - and none of those have anything to do with HDR.
Connectivity & Ports
HDMI2x HDMI 2.1Published port count and version
DisplayPort2x DisplayPort 1.4Primary high-refresh PC connection
USB-CYesSupports USB-C input
USB Hub5x USB-A downstreamPeripherals can run through the screen
Audio Out3.5 mm audio outExternal audio may still be preferred
Desk Fit & Ergonomics
Size / Footprint967.21 × 595.2 × 256.4 mmCheck desk width and depth before purchase
StandRemovable: YesA separate arm can replace the supplied base
VESA Mount100 x 100 mmUse a matching arm or wall mount
Tilt-5 ° to +1 °Covers the published forward and backward range
Height Adjust60 mm (2.36 in)Supports eye-level positioning
Swivel / Pivot±20 ° / No pivotSupports shared angles and portrait rotation
Real-World Use Cases
Picture-by-Picture splits 42.5 inches across machines
a KVM switch shares one keyboard and mouse
90 W USB-C plus a USB hub over one cable
16 W of built-in audio, no headset needed
Pros & Cons
Pros
- 29 Hz 76 Hz refresh range with 5 ms GtG response supports fast-paced use
- Built-in USB hub adds convenient peripheral connectivity
- Stand offers 60 mm (2.36 in) height adjustment, swivel
- 95% sRGB coverage is published for the panel
Cons
- Tilt is only -5 to +1 degrees, with 60 mm of height
- 76 Hz and 5 ms no gaming ability
- 103 PPI is modest for 4K
- 18.55 kg and 967 mm wide needs a serious desk
Score & Ratings
6.8/10
Good
Model Information
8
| Specification | Value |
|---|---|
| Brand | Dell |
| Series | UltraSharp |
| Model | U4323QE |
| Model Alias | UltraSharp U4323QE |
| Full Product Name | Dell U4323QE |
| Model Year | 2022 |
| Available Colors | Platinum Silver |
| Warranty | 3-Year Advanced Exchange Service and Premium Panel Exchange |
Display & Panel
10
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 42.51 in | |
| Exact Diagonal | 1080 mm (42.52 in) | |
| Aspect Ratio | 16:9 | |
| Active Display Width | 941.184 mm (37.05 in) | |
| Active Display Height | 529.416 mm (20.84 in) | |
| Screen-to-Body Ratio | 91.91% | |
| Panel Type | IPS | IPS affects viewing angles, black depth and color consistency — each panel technology trades these off differently. |
| Backlight Type | W-LED | |
| 3D Support | No | |
| Screen Coating | Anti-glare/Matte (3H) |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 3840 x 2160 pixels | |
| Pixel Density | 103 ppi | 103 ppi indicates how much scaling may be needed in the operating system for comfortable reading. |
| Pixel Pitch | 0.245 mm (0.01 in) |
Picture Quality & Color
8
| Specification | Value | What It Means |
|---|---|---|
| Panel Bit Depth | 10 bits | |
| FRC | Yes | |
| Display Colors | 1073.7 million colors (30 bits) | |
| Typical Brightness | 350 cd/m² | |
| Static Contrast Ratio | 1000 : 1 | |
| Horizontal Viewing Angle | 178 ° | |
| Vertical Viewing Angle | 178 ° | |
| sRGB Coverage | 95% | 95% indicates how much of that color space the panel can reproduce, which affects color accuracy for photo/video work. |
Refresh Rate, Response & Gaming
2
| Specification | Value |
|---|---|
| Refresh Rate Range | 29 Hz - 76 Hz |
| Minimum Response Time | 5 ms |
Ports & Connectivity
12
| Specification | Value |
|---|---|
| HDMI Ports | 2 |
| HDMI Version | 2.1 |
| HDMI CEC | Yes |
| DisplayPort Input | 2 |
| DisplayPort Version | 1.4 |
| USB-C Video Input | 1× USB-C |
| DisplayPort Alt Mode | Yes |
| HDCP Support | Yes |
| USB-C Input | Yes |
| USB-C Power Delivery | 90 W |
| USB-A Ports | 5 |
| Audio Output | Yes |
Audio, Camera, Network & Smart Features
6
| Specification | Value |
|---|---|
| Built-In Speakers | Yes |
| Speaker Configuration | 2 x 8 W |
| Total Speaker Output | 16 W |
| Built-In Camera | No |
| Ethernet | Yes |
| LAN | Yes |
Ergonomics & Stand
12
| Specification | Value | What It Means |
|---|---|---|
| VESA Mount | Yes | |
| VESA Size | 100 x 100 mm | |
| Removable Stand | Yes | |
| Height Adjustment | Yes | 60 mm (2.36 in) of travel allows the screen to be raised or lowered for a comfortable eye-level position. |
| Height Adjustment Range | 60 mm (2.36 in) | |
| Tilt Adjustment | Yes | |
| Forward Tilt | 5 ° | |
| Backward Tilt | 1 ° | |
| Swivel Adjustment | Yes | |
| Left Swivel | 20 ° | |
| Right Swivel | 20 ° | |
| Pivot Adjustment | No |
Dimensions, Weight & Design
7
| Specification | Value |
|---|---|
| Dimensions With Stand | 967.21 × 595.2 × 256.4 mm |
| Dimensions Without Stand | 967.21 × 560.5 × 64.08 mm |
| Weight With Stand | 18.55 kg (40.9 lbs) |
| Weight Without Stand | 13.16 kg (29.01 lbs) |
| Stand Width | 320 mm (12.60 in) |
| Stand Depth | 256.4 mm (10.09 in) |
| Security Lock Slot | Yes |
Power & Operating Conditions
15
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Average Power Consumption | 52.1 W |
| Maximum Power Consumption | 250 W |
| Sleep Consumption | 0.3 W |
| Off Consumption | 0.3 W |
| Annual Energy Consumption | 119.24 kWh |
| Operating Temperature | 0 °C - 40 °C (32 °F - 104 °F) |
| Operating Humidity | 10% - 80% |
| Operating Altitude | 5000 m |
| Storage Temperature | -20 °C - 60 °C (-4 °F - 140 °F) |
| Storage Humidity | 5% - 90% |
| Storage Altitude | 12192 m |
Eye Care, Protection & Additional Features
1
| Specification | Value |
|---|---|
| Additional Monitor Features | ComfortView; Dell Display Manager; Dell Power Button Sync; KVM Switch; OSD joystick; Picture-by-Picture; Picture-in-Picture |
Certifications, Standards & Licenses
5
| Specification | Value |
|---|---|
| Energy Star | Yes |
| EPEAT | Yes |
| TÜV Flicker-Free | TÜV Rheinland Flicker-free Certified |
| TÜV Low Blue Light | TÜV Rheinland Low Blue Light Certified |
| RoHS | Yes |
Included Accessories
2
| Specification | Value |
|---|---|
| HDMI Cable | Yes |
| DisplayPort Cable | Yes |
Frequently Asked Questions
01 Is 42.5 inches practical on a desk? +
Only on a deep one. At 967 mm wide you will be turning your head, not just your eyes. It suits people who genuinely want four windows at once, sat further back than usual - which is why Dell pairs it with Picture-by-Picture and a KVM.
02 Why is the tilt range only -5 to +1 degrees? +
Because at 13 kg the panel is not designed to be repositioned much. Combined with 60 mm of height adjustment, it is the least adjustable stand in any of these batches. Get the desk height right before you buy.
03 Is 103 PPI sharp enough? +
It is roughly the density of a 27-inch 1440p screen. Fine at the viewing distance a 42.5-inch panel demands, but do not expect the crispness of a 27-inch 4K at 163 PPI.
04 What is Dell Power Button Sync? +
It ties the monitor's power button to your connected Dell machine, so one press turns both on or off. Small, but useful on a desk where you are constantly docking.
05 Can it replace multiple monitors? +
For window-heavy work, largely yes - Picture-by-Picture divides it and the KVM switches peripherals. The catch is you cannot angle sections independently the way you can with separate screens.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № U4323QE