ViewSonic VG3456CA 34-inch UWQHD Curved USB-C Docking Monitor
Brian Long
Product Introduction
The ViewSonic VG3456CA is a 34-inch curved ultrawide docking monitor designed for business professionals who want expansive screen space and streamlined laptop connectivity. Its 21:9 UWQHD display combines 3440 x 1440 resolution, a 1500R curve, 100Hz refresh rate, 350-nit brightness, and a 3,000:1 static contrast ratio, providing a spacious and fluid workspace for multitasking, spreadsheets, dashboards, communications, development, and everyday office applications.
An integrated docking station allows a compatible laptop to connect through a single USB-C cable for video, audio, USB data, networking, and up to 100W of charging power. RJ45 Ethernet, four USB-A ports, a secondary USB-C connection with up to 15W charging, dual HDMI 2.1 inputs, DisplayPort, and dual 5W speakers make the VG3456CA a versatile centerpiece for modern laptop-based business workstations.
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Product Details
Key Features
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34-inch Ultrawide Workspace: The expansive 21:9 display provides substantially more horizontal workspace than a conventional 16:9 monitor, making it easier to keep multiple applications visible simultaneously.
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3440 x 1440 UWQHD Resolution: UltraWide QHD resolution provides detailed text and graphics while creating a broad desktop for documents, spreadsheets, dashboards, development tools, communications, and multitasking.
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1500R Curved Display: The curved panel helps keep the outer edges of the wide display within a more natural viewing distance for a comfortable ultrawide workspace.
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100Hz Refresh Rate: A 100Hz refresh rate provides smoother scrolling, cursor movement, window transitions, and general desktop interaction than conventional 60Hz office displays.
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VA Panel Technology: The display’s VA panel provides a strong 3,000:1 static contrast ratio for deep blacks and clear differentiation between light and dark content.
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350-Nit Brightness: Typical brightness of 350 cd/m² provides clear visibility for office productivity, presentations, communications, and everyday professional applications.
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1.07 Billion Colors: 10-bit color support through 8-bit + FRC processing provides smooth gradients and detailed color transitions.
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178° Viewing Angles: Wide horizontal and vertical viewing angles help maintain consistent image quality across the expansive curved display.
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Single-Cable USB-C Docking: Connect a compatible laptop through one USB-C cable for display video, audio, USB data, networking access, and charging.
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100W USB-C Power Delivery: The primary USB-C connection provides up to 100W of charging power to compatible laptops.
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15W Secondary USB-C: A second USB-C connection provides up to 15W charging for compatible phones, tablets, and other USB-C devices.
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Integrated RJ45 Ethernet: Built-in wired networking allows a compatible USB-C laptop to access Ethernet through the monitor’s docking station.
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Four-Port USB-A Hub: Four USB Type-A ports provide convenient connectivity for keyboards, mice, storage devices, headsets, and other business peripherals.
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Dual HDMI 2.1 Inputs: Two HDMI connections provide flexible connectivity for desktop computers, laptops, and other compatible video sources.
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DisplayPort Input: A dedicated DisplayPort connection provides an additional digital video option for compatible desktop and workstation systems.
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Flexible Connectivity:
- 1x USB-C with up to 100W power delivery
- 1x USB-C with up to 15W charging
- 4x USB Type-A
- 1x RJ45 Ethernet
- 2x HDMI 2.1
- 1x DisplayPort
- Integrated stereo audio
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Dual 5W Speakers: Integrated stereo speakers provide built-in audio for conferencing, presentations, training, multimedia, and everyday desktop use.
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vDisplayManager Support: ViewSonic’s vDisplayManager software provides on-screen monitor controls and split-screen functionality for organizing application windows across the ultrawide desktop.
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Split-Screen Productivity: Customizable window layouts help divide the 21:9 workspace into practical regions for multitasking without the physical bezel found in conventional dual-monitor setups.
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110 mm Height Adjustment: The display can be raised or lowered through a 110 mm / 4.3-inch range.
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120° Swivel Range: Wide side-to-side adjustment provides flexible positioning for individual workstations and collaborative viewing.
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Wide Tilt Adjustment: 5° forward and 40° backward tilt provides additional viewing-angle flexibility.
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Quick-Release Stand: ViewSonic’s stand design simplifies installation and removal while supporting business deployment and servicing.
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Integrated Carrying Handle: The stand incorporates a handle to make installation and workplace deployment easier.
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Client Mount Support: The stand is designed to accommodate compatible small-form-factor client systems for streamlined business deployments.
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Eye ProTech+: Hardware low-blue-light and Flicker-Free technologies help support comfortable viewing during extended work sessions.
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VESA Mount Compatible: Standard 100 x 100 mm VESA mounting supports compatible monitor arms and wall-mount systems.
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Kensington Lock Slot: Supports compatible physical security cables for corporate, institutional, public, and shared environments.
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ENERGY STAR 8.0 Certified: Energy-efficiency certification supports lower-energy professional desktop deployments.
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EPEAT Silver: EPEAT Silver certification supports organizations with environmental and sustainable procurement requirements.
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Three-Year Limited Warranty: Backed by ViewSonic’s three-year limited U.S. warranty on parts, labor, and backlight, subject to ViewSonic warranty terms.
Specifications
| Category | Specification | VG3456CA |
|---|---|---|
| Display | Screen Size | 34" |
| Viewable Area | 34" | |
| Panel Type | VA | |
| Resolution | 3440 x 1440 UWQHD | |
| Aspect Ratio | 21:9 | |
| Curvature | 1500R | |
| Refresh Rate | 100Hz | |
| Brightness | 350 cd/m² | |
| Static Contrast Ratio | 3,000:1 | |
| Dynamic Contrast Ratio | 80,000,000:1 | |
| Displayed Colors | 1.07 billion | |
| Color Support | 10-bit (8-bit + FRC) | |
| Response Time | 5ms typical GTG | |
| Viewing Angles | 178° horizontal / 178° vertical | |
| Backlight | LED | |
| Backlight Life | 30,000 hours | |
| Panel Surface | Anti-glare, 3H hard coating, 25% haze | |
| Resolution Support | Maximum PC Resolution | 3440 x 1440 |
| Maximum Mac Resolution | 3440 x 1440 | |
| Maximum Refresh Rate | 100Hz | |
| USB-C Docking | Primary USB-C | Video, audio, data, and power delivery |
| Primary USB-C Power | Up to 100W | |
| Secondary USB-C | Data and device charging | |
| Secondary USB-C Power | Up to 15W | |
| USB Connectivity | USB Type-A Downstream | 4x |
| Video Connectivity | HDMI | 2x HDMI 2.1 |
| DisplayPort Input | 1x | |
| DisplayPort Output | None listed | |
| USB-C Video | Yes | |
| Networking | Ethernet | 1x RJ45 |
| Audio | Internal Speakers | 5W x 2 |
| Input Signal | Horizontal Frequency | 30–150 kHz |
| Vertical Frequency | 48–100Hz | |
| Ergonomics | Height Adjustment | 110 mm / 4.3" |
| Swivel | 120° | |
| Tilt | 5° forward / 40° backward | |
| Pivot | No | |
| Mounting & Security | VESA Mount | 100 x 100 mm |
| Kensington Lock Slot | Yes | |
| Power | Voltage | AC 100–240V, 50/60Hz |
| Power Supply | Internal | |
| Typical Display Consumption | 43W | |
| Eco Mode - Optimized | 38W | |
| Eco Mode - Conserve | 33W | |
| Standby | 0.3W | |
| Operating Conditions | Temperature | 32–104°F / 0–40°C |
| Humidity | 20–90%, non-condensing | |
| Dimensions | With Stand | 31.81" W x 16.70–21.01" H x 9.30" D |
| Without Stand | 31.81" W x 15.41" H x 4.53" D | |
| With Stand (Metric) | 808 W x 424.1–533.7 H x 236.2 D mm | |
| Without Stand (Metric) | 808 W x 391.3 H x 115 D mm | |
| Packaging | 39" W x 19.5" H x 9.4" D | |
| Packaging (Metric) | 990 W x 495 H x 238 D mm | |
| Weight | Net With Stand | 20.7 lb / 9.4 kg |
| Net Without Stand | 15.4 lb / 7.0 kg | |
| Gross | 33.7 lb / 15.3 kg | |
| Certifications | ENERGY STAR | ENERGY STAR 8.0 |
| EPEAT | Silver | |
| Additional Regulations | cTUVus, FCC-B, ICES003, CEC, NOM, Mexico Energy | |
| Warranty | U.S. Limited Warranty | 3 years on parts, labor, and backlight |
Included in the Box
- ViewSonic VG3456CA monitor
- Quick-release ergonomic stand
- Power cable
- HDMI cable
- USB Type-C cable
- Quick Start Guide
21:9 Ultrawide Productivity
The VG3456CA’s 3440 x 1440 desktop provides a broad continuous workspace that can reduce dependence on conventional side-by-side monitors.
Typical workflows include:
- Displaying multiple business applications side by side
- Working with large spreadsheets and financial models
- Comparing documents and reference material
- Keeping email or messaging visible beside primary work
- Monitoring dashboards and analytics
- Managing project timelines
- Working with development tools and code
- Running video meetings alongside notes and presentation material
- Using split-screen layouts without a physical bezel dividing the workspace
1500R Curved Workspace
The 1500R curve helps orient the outer portions of the 34-inch ultrawide panel toward the user.
This design can help:
- Keep the edges of the wide display within a more consistent viewing distance.
- Create a continuous desktop without a center bezel.
- Reduce the need to turn between separate physical monitors.
- Provide a natural viewing experience for wide spreadsheets, timelines, dashboards, and multi-window layouts.
USB-C Docking Workstation
The VG3456CA can serve as the connectivity center for a compatible laptop-based workspace.
- Connect a compatible laptop using one USB-C cable.
- Carry 3440 x 1440 display video, audio, and USB data through the connection.
- Deliver up to 100W of charging power to the laptop.
- Access wired networking through the integrated RJ45 Ethernet connection.
- Connect keyboards, mice, storage devices, headsets, and other accessories through four USB-A ports.
- Charge compatible mobile devices through the secondary USB-C port at up to 15W.
- Connect additional computers or video sources through dual HDMI 2.1 or DisplayPort.
vDisplayManager Multitasking
ViewSonic vDisplayManager software can help organize the large ultrawide workspace by providing software-based display controls and customizable split-screen layouts.
This can be useful for:
- Dividing the display into predefined application zones
- Creating custom window layouts
- Keeping communications visible beside primary work
- Arranging dashboards and reference material
- Managing large spreadsheets and business applications
- Accessing supported monitor controls directly from the desktop
Business and Professional Applications
The VG3456CA is particularly well suited for:
- Corporate offices
- Hybrid and remote work
- Executive workspaces
- Financial and spreadsheet-intensive workflows
- Data analysis and dashboards
- Software development
- Project management
- Laptop-based professional workstations
- Home offices
- Hot desks and flexible workspaces
- Users replacing some dual-monitor configurations with one continuous ultrawide display
Manuals and Documents
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ViewSonic VG3456CA U.S. Product Datasheet - Manufacturer product sheet covering the 34-inch UWQHD curved display, 100Hz refresh rate, 100W USB-C docking, Ethernet, connectivity, ergonomics, and technical specifications.
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ViewSonic VG3456CA User Guide - Manufacturer operating guide covering setup, connections, display configuration, USB-C docking, monitor controls, and maintenance.
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ViewSonic VG3456CA Quick Start Guide - Quick-reference guide for monitor assembly, installation, and initial connections.
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ViewSonic VG3456CA Global Product Page - Manufacturer overview covering the curved UWQHD workspace, USB-C docking, Ethernet, 100Hz performance, ergonomics, and business features.
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ViewSonic VG3456CA U.S. Product Page - Current U.S. manufacturer specifications, package contents, downloads, warranty information, and support resources.
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ViewSonic VG3456CA Business Product Page - Current ViewSonic business product information and support resources.
The ViewSonic VG3456CA combines a spacious 34-inch 3440 x 1440 ultrawide desktop with a 1500R curve, smooth 100Hz performance, and comprehensive USB-C docking. Its 100W laptop charging, secondary 15W USB-C connection, RJ45 networking, four-port USB hub, dual HDMI 2.1 inputs, DisplayPort, dual 5W speakers, and ergonomic stand make it particularly well suited to productivity-focused business workstations seeking a clean single-cable laptop setup.