ViewSonic 43" 4K UHD Monitor with MultiPicture Functionality, PIP, PBP, USB-C, HDMI and DisplayPort | VX4381U-4K
Product Overview
Transform your workspace with the ViewSonic® VX4381U-4K, an expansive 43-inch (42.5" viewable) monitor engineered to maximize your productivity. Equivalent to four 22-inch screens in one, this massive monitor gives you enough room to run multiple applications, documents or feeds side by side without crowding your desktop. Its high-performance MVA panel delivers razor-sharp 3840 x 2160 resolution, 400 nits of brightness and HDR10 support for vivid, lifelike clarity. You can also supercharge your multitasking with quadruple view functionality, which lets you monitor up to four independent video sources simultaneously without the hassle of toggling inputs. To streamline your desk, a versatile central hub keeps your entire setup connected via a 65W USB-C port, HDMI 2.1, DisplayPort 1.4, four USB-A ports and a USB-B port. Combining an energy-saving Eco-mode with an industry-leading 3-year limited warranty, the VX4381U-4K represents a smart long-term investment for any professional workflow.


Superb Clarity with 4K Ultra HD Resolution
With more than 8 million pixels across a 3840x2160 screen, this Ultra HD monitor delivers exceptional image detail and clarity for stunning, lifelike visuals. Backed by 400 nits of brightness, every image stays vivid and sharp even in well-lit environments. Plus, with 4x the pixels of Full HD, this monitor keeps more content in view to help maximize productivity.
Maximize Efficiency with Quad-Screen Multitasking
Display up to four independent video sources simultaneously in clean quadrants on a single screen. Flexible Picture-in-Picture (PIP) and Picture-by-Picture (PBP) modes allow finance professionals to track market data, operations teams to monitor security feeds, and power users to manage multiple systems at the exact same time. This setup delivers the full productivity of a multi-monitor layout while reducing desktop clutter and equipment costs.


Seamless Viewing from Any Angle
Enjoy accurate and vivid colors with consistent levels of brightness no matter the vantage point. With SuperClear® MVA panel technology, this monitor delivers the same image quality whether you are looking at the screen from above, below, the front or the side.


Elevate Your Media with Vibrant Color and Contrast
Experience a new level of visual depth with integrated HDR10 content support*. This feature optimizes color depth and contrast to ensure your videos and images display with a realistic balance of vibrant highlights, clean midtones and deep shadows.
*The video source must also have HDR10 content support.
Streamline Your Workspace with Universal Connectivity
Transform your desktop into a unified, clutter-free workstation. With a premium selection of HDMI, DisplayPort, USB-C, USB-A and USB-B ports, you can effortlessly link all your essential peripherals and devices to maintain a smooth daily workflow.
Enhanced Viewing Comfort
With Flicker-Free technology and a blue light filter, this monitor can help reduce the eyestrain that comes with prolonged screen time.
Dual Integrated Speakers
Designed with dual integrated speakers, this monitor combines incredible screen performance with stereo sound for an immersive multimedia experience.
3-year Limited Warranty
Have peace of mind in the quality and reliability of your ViewSonic monitor—backed by one of the industry’s best pixel performance policies and a 3-year limited warranty.*
*Subject to ViewSonic's warranty and on-site service terms and conditions.
- Screen Size: 43"
- Viewable Area (in.): 42.5
- Colors: 1.07B
- Color Space Support: 8 bit + FRC
- Viewing Angles: 178º horizontal, 178º vertical
- Backlight Life (Hours): 30,000
- Display Resolution: 4K (3840x2160)
- Display Resolution: 3840 x 2160
- Response Time (Typical GTG): 3ms
- Dynamic Contrast Ratio: 120M:1
- Aspect Ratio: 16:9
- Panel Surface: Anti-Glare (Semi-Glossy) type, Hard-coating (3H), Haze 0.02
- Light Source: LED
- Brightness: 400 cd/m2
- Static Contrast Ratio: 4,000:1
- Panel Type: VA
- Refresh Rate: 60Hz
- PC Resolution (max): 3840 x 2160
- Mac® Resolution (max): 3840 x 2160
- USB Type A: 4
- USB Type B: 1
- USB Type C: 65W x 1
- 3.5mm Audio Out: 1
- HDMI 2.1 In: 2
- DisplayPort: 1
- Internal Speakers: 7W (x2)
- Eco Mode (Conserve): 63w
- Eco Mode (optimized): 81w
- Consumption (typical): 102w
- Consumption (max): 200w
- Voltage: 100-240 VAC
- Stand-by: 0.5w
- Power Supply: Internal
- Cable Organization: No
- Kensington Lock Slot: 1
- Physical Controls: Joystick key: Up, Right, Down, Left, Center; Shortcut: Input Selet, ViewMode, Multi-Picture, Power
- On Screen Display: Input Select, Audio Adjust, ViewMode, Color Adjust, Manual Image Adjust, Setup Menu
- Temperature: 32-104º F (0 - 40º C)
- Humidity (non-condensing): 20-90%
- VESA Compatible: 200 x 100 mm
- Frequency Horizontal: HDMI / DisplayPort / USB-C = 24 ~ 160 KHz
- Frequency Vertical: HDMI / DisplayPort / USB-C = 50 ~ 75 Hz
- Tilt (Forward/Back): 5º / 23º
- Regulations: cTUVus, FCC-B, ICES003, CEC
- Net (lbs): 37.5
- Net Without Stand (lbs): 27.9
- Gross (lbs): 47.4
- Net (kg): 17
- Net Without Stand (kg): 12.6
- Gross (kg): 21.5
- Packaging (in.): 46.9'' (W) x 27.6'' (H) x 9.7'' (D)
- Physical (in.): 38.48'' (W) x 25.96'' (H) x 13.6'' (D)
- Physical Without Stand (in.): 38.48'' (W) x 22.34'' (H) x 2.29'' (D)
- Packaging (mm): 1190mm (W) x 700mm (H) x 247mm (D)
- Physical (mm): 977.3mm (W) x 659.51mm (H) x 345.48mm (D)
- Physical Without Stand (mm): 977.3mm (W) x 567.35mm (H) x 58.2mm (D)
- Package Contents: LCD Display, Power Cable, HDMI Cable, USB-C Cable, USB-A/B Cable, Quick Start Guide
- Recycle/Disposal: Please dispose of in accordance with local, state or federal laws.
- Warranty: Three-year limited warranty on parts, labor and backlight
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User Guides
- VX4381U-4K User Guide(English)
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Driver & Software
- Standard Monitor Driver Signed Windows 10 x64
- Standard Monitor Driver Signed Windows 10 x86
- Standard Monitor Driver Signed Windows 7
- Standard Monitor Driver Signed Windows 7 x64
- Standard Monitor Driver Signed Windows 8 x64
- Standard Monitor Driver Signed Windows 8 x86
- Standard Monitor Driver Unsigned Windows
- Standard Monitor Driver Unsigned Windows x64
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