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Viewsonic

ViewSonic VX4381U-4K 43" Class 4K UHD LED Monitor - 16:9

$729.00
$572.67 SAVE $156.33
21 availableas of 10/12/2026

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Should arrive by Thu, Oct 22 with free ground shipping

Country of origin

  • Origin: China
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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.

More from the manufacturer

Technical specifications

General Information

Manufacturer ViewSonic Corporation
Manufacturer Part Number VX4381U-4K
Manufacturer Website Address http://www.viewsonic.com
Brand Name ViewSonic
Product Model VX4381U-4K
Product Name VX4381U-4K Widescreen LED Monitor
Product Type LED Monitor

Technical Information

Number of Screens 1
Screen Size Class 43"
Viewable Screen Size 42.5"
Screen Mode 4K UHD
Screen Surface Anti-glare
Panel Technology Multi-domain Vertical Alignment (MVA)
Response Time 3 ms
Aspect Ratio 16:9
Response Time Details 3 ms GTG
Horizontal Viewing Angle 178°
Vertical Viewing Angle 178°
Backlight Technology LED
Tilt Angle -5° to 23°
Features ViewModeAnti-glareOn-screen Display (OSD)Eco ModeNarrow BezelCable Lock SlotFlicker-freeBlue Light FilterPicture in PicturePicture by PictureEnergy Saving ModeHDR10Ergonomic DesignHigh Dynamic Range (HDR)
Horizontal Frequency 24 kHz to 160 kHz - DisplayPort24 kHz to 160 kHz - USB Type C24 kHz to 160 kHz - HDMI
Vertical Frequency 50 Hz to 75 Hz - HDMI50 Hz to 75 Hz - DisplayPort50 Hz to 75 Hz - USB Type C
Stand Adjustments Tilt
Adjustable Stand Yes
Glass Hardness 3H
Surface Treatment Anti-glare
Flicker Free Yes

Video

Maximum Resolution 3840 x 2160
Standard Refresh Rate 75 Hz
Color Supported 1.07 Billion Colors
Color Depth 8-bit+FRC
Native Contrast Ratio 4,000:1
Dynamic Contrast Ratio 120,000,000:1
Brightness 400 Nit

Audio

Number of Speakers 2
Speakers Yes

Interfaces/Ports

HDMI Yes
HDMI Version

2.1

USB Yes
DisplayPort Yes
USB Type-C Yes
Number of HDMI Inputs 2
Number of USB Ports 6
Total Number of HDMI Ports 2
Number of DisplayPorts 1
Number of USB Type-B Ports 1
Total Number of USB Type-C Ports 1
USB Type-C (Power Delivery) 65 W
Number of HDMI 2.1 Ports 2
Audio Line Out Yes
USB Type-B Yes
Number of Audio Line Out Ports 1

Built-in Devices

Built-in Devices USB Hub

Power Description

Input Voltage Range 100V AC to 240V AC
Operating Power Consumption 102 W
Standby Power Consumption 500 mW
Maximum Power Consumption 200 W

Physical Characteristics

VESA Mount Compatible Yes
VESA Mount Standard 200 x 100
Height 22.3"
Width 38.5"
Depth 2.3"
Height with Stand 25.96"
Width with Stand 38.48"
Depth with Stand 13.60"
Weight (Approximate) 27.78 lb
Weight with Stand (Approximate) 37.48 lb

Miscellaneous

Package Contents
  • VX4381U-4K Widescreen LED Monitor
  • Power Cable
  • HDMI Cable
  • USB-C Cable
  • USB-A/B Cable
  • Quick Start Guide
Country of Origin China
Application / Usage BusinessOffice

Warranty

Limited Warranty 3 Year
Additional Warranty Information

3-Year limited warranty on parts, labor and backlight

Environmental Conditions

Operating Temperature Range 32°F (0°C) to 104°F (40°C)
Operating Humidity Range 20% to 90% (Non-condensing)

Ratings and reviews

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.