42.51″ Dell U4323QE – Specs & Features
The Dell U4323QE is a 42.51-inch 4K UHD Monitor designed for gaming and multimedia. It features a IPS panel for accurate colours and wide viewing angles. The Monitor is suitable for gaming and creative work and includes 29 Hz - 76 Hz refresh rate and DisplayPort/USB-C connectivity. However, it may not be ideal for blacks appear grey in dark environments compared to VA or OLED. It scores Great — 7.6/10 across our display performance benchmarks.
- IPS panel delivers consistent colour accuracy across a 178° horizontal and vertical viewing angle.
Scores and analysis are based on DisplayInput – Monitor & TV Specs Comparison's display benchmark methodology across 6 verified specifications. Data sourced from Dell's official specifications and independent lab measurements.
Display Performance
Who Should Buy the Dell U4323QE
Real-World Use Cases
Pros & Cons
- IPS panel consistent 178°/178° viewing angles with accurate, uniform color reproduction
- 350 cd/m² anti-glare display comfortable for all-day use in typical room lighting
- 4K UHD resolution at 103 PPI razor-sharp detail for productivity and premium content
- 5.0 ms (GtG) response time clean pixel transitions for everyday content and media
- Calibrated color (95%) accurate, consistent tones for everyday use
- IPS contrast (1000 : 1) blacks appear grey in dark environments compared to VA or OLED
- No Thunderbolt 4 USB-C present but lacks 40 Gbps bandwidth and high-wattage charging
- No HDR support standard dynamic range only; HDR content will be tone-mapped without benefit
- Large 42.51" form factor requires a wide, deep desk with clear cable routing space
- IPS glow at screen corners common panel characteristic visible during dark scenes
Score & Ratings
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brand | Dell | |
| Model | U4323QE | |
| Series | UltraSharp | |
| Model Alias | UltraSharp U4323QE | |
| Model Year | 2022 |
△ Average 2022 — 4-year-old model. May lack the latest HDR or refresh-rate standards.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Size Class | 42.51-inch |
✓ Good 42" — medium TV or large monitor. Works as bedroom TV or big desk display.
|
| Panel Type | IPS |
✓ Good IPS — consistent colour accuracy across 178° viewing angle. No colour shift when viewed from the side.
|
| Curvature | -- | |
| Resolution | 3840 x 2160 |
✓ Good 4K UHD (3840×2160) — four times 1080p. Pin-sharp text, exceptional photo and video detail at any screen size.
|
| Aspect Ratio | 16:9 |
Standard 16:9 — universal for all streaming, gaming, and productivity content worldwide.
|
| Pixel Density | 103 PPI |
△ Average 103 PPI — adequate sharpness for monitor use. Comfortable for text and media at 50–80cm.
|
| Pixel Pitch | 0.245 mm (millimeters) |
✓ Good 0.245 mm (millimeters) pitch — fine. Comfortable sharpness at desk viewing distances.
|
| Display Area | 91.91 % (percent) |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Color Depth | 10 bits (8 bits + FRC) (FRC: Yes) |
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
|
| Colors | 1073741824 colors |
✓ Good 1.07 billion colours (10-bit) — smooth HDR gradients; no visible banding in any content.
|
| sRGB | 95% |
✓ Good 95% sRGB — excellent for professional work. Reliable for photo editing and video colour grading.
|
| DCI-P3 Coverage | - |
DCI-P3 coverage not published by the manufacturer for this model.
|
| HDR Support | - |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brightness (Typical) | 350 cd/m² |
△ Average 350 cd/m² — comfortable indoors. May wash out next to a bright window or in direct sunlight.
|
| Peak Brightness | - |
OLED brightness varies per pixel and scene. Manufacturers often omit a fixed nit figure; contrast quality exceeds most LED panels anyway.
|
| Contrast | 1000 : 1 |
△ Average 1000 : 1 — standard IPS-level. Blacks appear slightly grey in very dark rooms.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Refresh Rate | 29 Hz - 76 Hz |
△ Average 75Hz — minor improvement over 60Hz for scrolling and animations. Not a meaningful gaming upgrade.
|
| Response Time | 5 ms (GtG) |
△ Average 5 ms (GtG) GtG — acceptable for office and casual gaming. Some blur visible in very fast scenes.
|
| Adaptive Sync | - |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Advanced Display Technologies | Panel Technology: - Backlight: W-LED Viewing Angles: 178° / 178° (H / V) MPRT Response: - Dynamic Contrast: - Input Lag: - Screen Coating: Anti-glare/Matte (3H) |
Anti-glare matte coating. 178° wide viewing angles.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Camera | No |
⚠ Limited No built-in camera. An external webcam is needed for video calls.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Audio | 2 x 8 W (watts) | 3.5 mm Audio Out |
3.5mm headphone/audio output — connects wired headphones or routes audio to external speakers.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Ports | 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 90W; DP Alt Mode) 3 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 15W) 4 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream) 1 x Ethernet RJ45 (MAC Address pass-through; Wake-on-LAN) 2 x HDMI 2.1 (CEC) 1 x DisplayPort 1.4 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out High-bandwidth Digital Content Protection (HDCP) |
✓ Good USB-C (single-cable display + data, charging if PD supported). HDMI 2.1 — supports 4K@144Hz or 8K@60Hz bandwidth. DisplayPort 1.4 — full bandwidth for high-refresh PC gaming. Ethernet port — wired network for stable 4K streaming.
|
| Wireless | - |
| Specification | Value | 💡 What It Means |
|---|---|---|
| VESA Mount | 100 x 100 mm |
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
|
| Height Adjustment | 60 mm |
✓ Good 60 mm height adjustment — good range for most users.
|
| Pivot | No |
⚠ Limited No pivot — cannot rotate to portrait orientation.
|
| Swivel | ±20° |
✓ Good Swivel — rotates left and right without moving the base. Easy screen sharing or multi-person viewing.
|
| Tilt | -5° to +1° |
✓ Good Tilt ±5° — adjustable screen angle reduces neck strain and matches your eye level.
|
| Removable Stand | Yes |
✓ Good Stand detaches cleanly from the panel — mount on any VESA arm or wall bracket without a leftover collar.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Gaming Features | Picture-by-Picture Picture-in-Picture |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Operating System | - |
No smart OS — this is a PC monitor. All input comes from connected computers or consoles.
|
| Smart Features | ComfortView Dell Power Button Sync KVM Switch OSD joystick |
✓ Good ComfortView
Dell Power Button Sync
KVM Switch
OSD joystick — software features including OSD controls and display calibration tools.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Voltage | 100–240V |
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
|
| Frequency | 50/60Hz |
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
|
| Average Consumption | 52.1W |
✓ Good 52.1W — efficient for a display of this size and capability.
|
| Maximum Consumption | 250W | |
| Standby | 0.3W |
✓ Good 0.3W standby — near-zero idle power. Excellent energy compliance.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Certificates | Energy Star EPEAT RoHS TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified |
✓ Good ENERGY STAR — US energy efficiency standard. EPEAT — sustainable electronics certification. RoHS — EU hazardous substances compliant. CE — meets EU safety & electromagnetic standards.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Without Stand Width | 967.21 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Height | 560.5 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Depth | 64.08 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Weight | 13.16 kg |
△ Average 13.16 kg — standard weight for this panel size.
|
| With Stand Width | 967.21 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Height | 595.2 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Depth | 256.4 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Weight | 18.55 kg |
△ Average 18.55 kg — heavy; two people recommended for wall mounting.
|
| Color | Platinum Silver |
Available colour finish for this unit.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Temperature | 0°C – 40°C |
Operating environment range. Keep within these limits for reliable long-term performance.
|
| Humidity | 10% – 80% |
Operating environment range. Keep within these limits for reliable long-term performance.
|