34″ Dell S3423DWC – Specs & Features
The Dell S3423DWC is a 34-inch UWQHD Monitor designed for gaming and multimedia. It features a VA panel for deep blacks and strong contrast. The Monitor is suitable for gaming and creative work and includes 48 Hz - 100 Hz refresh rate and DisplayPort/USB-C connectivity. However, it may not be ideal for ghosting visible in very fast dark-to-light transitions. It scores Great — 7.4/10 across our display performance benchmarks.
- 350 cd/m² brightness — comfortable for typical indoor lighting conditions.
- VA panel offers superior contrast ratios over IPS but narrower colour accuracy at wide viewing angles.
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 S3423DWC
Real-World Use Cases
Pros & Cons
- VA panel high native contrast (3000 : 1) for rich blacks that IPS cannot match
- 350 cd/m² anti-glare display comfortable for all-day use in typical room lighting
- QHD resolution (3440 x 1440) 78% more pixels than FHD for noticeably crisper visuals
- 4.0 ms (GtG) response time clean pixel transitions for everyday content and media
- 99% sRGB near-complete standard color coverage for precise digital work
- VA pixel response slower than IPS ghosting visible in very fast dark-to-light transitions
- QHD on 34.0" wide panel pixel density (109 PPI) lower than a 27" QHD equivalent
- 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
- No built-in Ethernet monitor lacks network hub functionality; wired network needs a dongle
Score & Ratings
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brand | Dell | |
| Model | S3423DWC | |
| Series | - | |
| Model Alias | - | |
| 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 | 34-inch |
✓ Good 34" — popular desktop size. Enough space for multitasking without head movement.
|
| Panel Type | VA |
✓ Good VA — higher native contrast than IPS. Dark scenes look genuinely black; ideal for movies in dim rooms.
|
| Curvature | 1800 mm (millimeters) |
△ Average 1800 mm (millimeters) curve — subtle. Mostly cosmetic; minimal immersive benefit.
|
| Resolution | 3440 x 1440 |
✓ Good QHD (2560×1440) — noticeably sharper than 1080p on 27"+ screens. Sweet spot for productivity and gaming.
|
| Aspect Ratio | - | |
| Pixel Density | 109 PPI |
△ Average 109 PPI — adequate sharpness for monitor use. Comfortable for text and media at 50–80cm.
|
| Pixel Pitch | 0.232 mm (millimeters) |
✓ Good 0.232 mm (millimeters) pitch — fine. Comfortable sharpness at desk viewing distances.
|
| Display Area | 90.31 % (percent) |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Color Depth | 8 bits |
△ Average 8-bit — 16.7 million colours. Fine for SDR and everyday use; banding may appear in HDR gradients.
|
| Colors | 16777216 colors |
△ Average 16.7 million colours (8-bit) — standard for SDR; gradient banding may appear in HDR.
|
| sRGB | 99% |
✓ Good 99% sRGB — virtually complete coverage. Colour output matches what clients and printers receive exactly.
|
| 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 | 3000 : 1 |
✓ Good 3000 : 1 — excellent shadow detail. Noticeably better than IPS in dark room viewing.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Refresh Rate | 48 Hz - 100 Hz |
△ Average 75Hz — minor improvement over 60Hz for scrolling and animations. Not a meaningful gaming upgrade.
|
| Response Time | 4 ms (GtG) |
✓ Good 4 ms (GtG) GtG — fast enough for gaming with minimal trailing behind moving objects.
|
| Adaptive Sync | AMD FreeSync |
✓ Good Variable Refresh Rate — GPU and display sync together. Eliminates screen tearing and reduces stutter in games.
|
| 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 5 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 1; upstream; 65W; DP Alt Mode) 1 x USB 3.2 (Type-B; Gen 1; upstream;) 2 x USB 3.2 (Type-A; Gen 1; downstream; 10W) 2 x HDMI 2.0 1 x 3.5 mm Audio Out High-bandwidth Digital Content Protection (HDCP) 2.2 |
✓ Good USB-C (single-cable display + data, charging if PD supported). HDMI 2.0 — 4K@60Hz max bandwidth.
|
| 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 | 100 mm |
✓ Good 100 mm height range — excellent ergonomics. Adapts to any chair height or desk setup.
|
| Pivot | No |
⚠ Limited No pivot — cannot rotate to portrait orientation.
|
| Swivel | No |
⚠ Limited No swivel — stand cannot rotate left/right. Adjust by moving the whole monitor.
|
| Tilt | -5° to +21° |
✓ 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 | AMD FreeSync technology Picture-by-Picture Picture-in-Picture |
✓ Good AMD FreeSync (tear-free).
|
| 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 Plus Dell Easy Arrange Flicker-free technology KVM Switch Low Blue Light PowerNap |
✓ Good ComfortView Plus
Dell Easy Arrange
Flicker-free technology
KVM Switch
Low Blue Light
PowerNap — 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 | 31W |
✓ Good 31W — efficient for a display of this size and capability.
|
| Maximum Consumption | 160W | |
| Standby | 0.3W |
✓ Good 0.3W standby — near-zero idle power. Excellent energy compliance.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Certificates | RoHS |
✓ Good RoHS — EU hazardous substances compliant.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Without Stand Width | 808.16 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Height | 364.5 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Depth | 64.03 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Weight | 6.65 kg |
△ Average 6.65 kg — standard weight for this panel size.
|
| With Stand Width | 808.16 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Height | 389.36 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Depth | 217.05 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Weight | 10.53 kg |
△ Average 10.53 kg — standard weight for this panel size.
|
| Color | Black |
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.
|