Dell 34 Plus USB-C Curved Monitor – 34" UWQHD 120Hz - S3425DW

The Dell 34 Plus USB-C Monitor S3425DW has been designed to deliver an immersive ultrawide viewing experience for entertainment, productivity, and multitasking. Featuring a 34-inch UWQHD curved display with a 1800R curvature, content is presented across a wider field of view while maintaining visual comfort. A smooth refresh rate of up to 120Hz is supported, allowing motion to appear fluid during gaming, video playback, and everyday computing tasks.

A VA panel has been utilized to provide deep contrast, vibrant color reproduction, and wide viewing angles. HDR10 support has been included to enhance image depth and detail, while AMD FreeSync™ Premium technology helps reduce screen tearing and stuttering. Connectivity has been simplified through a USB-C connection with up to 65W Power Delivery, enabling video transmission, data transfer, and device charging through a single cable. Dual integrated 5W speakers have also been incorporated to provide clear audio without requiring external speakers.

Key Features

34-Inch Curved Ultrawide Display

A spacious 34-inch UWQHD screen with a 21:9 aspect ratio and 1800R curvature has been engineered to provide a more immersive viewing experience while supporting efficient multitasking.

Smooth 120Hz Refresh Rate

A refresh rate of up to 120Hz is supported, helping fast-moving content appear smoother and more responsive for gaming, streaming, and productivity applications.

USB-C Connectivity with 65W Power Delivery

A USB-C upstream port has been included to support video, data, and charging through a single cable, with up to 65W Power Delivery available for compatible devices.

HDR10 Visual Enhancement

HDR10 compatibility has been integrated to deliver improved contrast and enhanced image detail across supported content.

AMD FreeSync™ Premium Technology

Screen tearing and stuttering can be minimized through AMD FreeSync™ Premium support, helping maintain smoother gameplay and video performance.

Wide Color Coverage

Accurate and vibrant colors are delivered through support for 95% DCI-P3 and 99% sRGB color gamuts, making the monitor suitable for content creation, media consumption, and professional workflows.

Eye Comfort and Anti-Glare Design

Eye Comfort Technology and an anti-glare coating have been incorporated to help reduce eye strain and improve viewing comfort during extended usage sessions.

Specifications

Display

• Screen Size: 34"
• Viewable Screen Size: 34"
• Screen Mode: UW-QHD
• Maximum Resolution: 3440 x 1440
• Aspect Ratio: 21:9
• Panel Technology: Vertical Alignment (VA)
• Curved Screen: Yes
• Curvature: 1800R
• Backlight Technology: LED Edgelight System
• Standard Refresh Rate: 120Hz
• Response Time:
  • 1ms GTG (Extreme Mode)
  • 3ms GTG (Fast)
  • 5ms GTG
• Brightness: 300 cd/m²
• Native Contrast Ratio: 3000:1
• Color Support: 1.07 Billion Colors
• Color Gamut:
  • 95% DCI-P3 (CIE 1976)
  • 99% sRGB (CIE 1931)
• Viewing Angles: 178° Horizontal / 178° Vertical
• Pixel Pitch: 0.23175 mm x 0.23175 mm
• Pixel Density: 109 PPI
• HDR Support: HDR10
• Anti-Glare: Yes
• HDCP Support: Yes

Gaming & Visual Features

• AMD FreeSync™ Premium
• Picture-in-Picture (PIP)
• Picture-by-Picture (PBP)

Ergonomics & Adjustability

• Adjustable Stand: Yes
• Height Adjustment: Up to 5.12"
• Tilt: -5° to 21°
• Slant: -4° / 4°
• Stand Included: Yes
• Glass Hardness: 3H

Audio

• Speakers: Yes
• Number of Speakers: 2
• Total Speaker Output: 10W (2 x 5W)

Connectivity

Video Ports

• 2 x HDMI (HDCP 1.4 & 2.2)
• Supports up to 3440 x 1440 at 120Hz, HDR, VRR, 10-bit, FRL

USB Ports

• 1 x USB-C 5Gbps Upstream (DisplayPort 1.4 Alt Mode, Power Delivery up to 65W)
• 1 x USB-A 5Gbps Downstream
• 1 x USB-A 5Gbps Downstream with Battery Charging 1.2
• 1 x USB-C 5Gbps Downstream (Power Delivery up to 15W)

USB-C Power Delivery

• Up to 65W

Physical Specifications

• Color: Ash White
• VESA Mount Compatible: Yes
• VESA Standard: 100 x 100 mm

Dimensions (Monitor Only)

• Height: 14.01"
• Width: 31.78"
• Depth: 4.60"

Dimensions (With Stand)

• Height: 20.36"
• Width: 31.78"
• Depth: 8.73"

Adjustable Height Range

• Compressed Height: 16.20"
• Extended Height: 20.36"

Bezel Width

• Top: 0.33"
• Bottom: 0.54"
• Left: 0.33"
• Right: 0.33"

Weight

• Monitor Only: 15.23 lb
• With Stand: 20.68 lb

Environmental Conditions

• Operating Temperature: 32°F (0°C) to 104°F (40°C)
• Storage Temperature: -4°F (-20°C) to 140°F (60°C)
• Operating Humidity: 10% to 80% (Non-condensing)
• Storage Humidity: 5% to 90% (Non-condensing)
• Maximum Operating Altitude: 16,400 ft
• Maximum Non-operating Altitude: 40,000 ft

Power

• Input Voltage: 100V AC to 240V AC
• Frequency: 50Hz / 60Hz
• Operating Power Consumption: 31W
• Standby Power Consumption: 0.3W
• Off-Mode Power Consumption: 0.3W
• Maximum Power Consumption: 175W
• Current: 2A

Package Contents

• Dell 34 Plus USB-C Monitor S3425DW
• Stand
• Side I/O Cover
• QR Card
• Power Cable
• USB-C to USB-C 10Gbps 100W Cable (1.8m)

Certifications & Compliance

• ENERGY STAR 8.0 Certified
• Energy Star Qualified
• RoHS Compliant
• Energy-related Products Directive Lot 5 (ErP Lot 5)
• BFR Free
• PVC Free
• Arsenic-free Glass
• Mercury-free
• Dell Display Manager Compatible
• Dell Command Remote Asset Management
• Country of Origin: China

Conclusion

The Dell 34 Plus USB-C Monitor S3425DW has been developed to combine immersive ultrawide viewing, smooth 120Hz performance, versatile USB-C connectivity, and rich audio in a single display solution. With UWQHD resolution, HDR10 support, AMD FreeSync™ Premium technology, and a productivity-focused curved design, a balanced experience can be achieved for work, entertainment, content creation, and everyday computing.